diff --git a/default.nix b/default.nix
index 1e3ff09e..545b0114 100644
--- a/default.nix
+++ b/default.nix
@@ -1,13 +1,10 @@
-{ pkgs ? import <nixpkgs> {} }:
+{ pkgs ? import <nixpkgs> { } }:
 
 rec {
-  home-manager = pkgs.callPackage ./home-manager {
-    path = toString ./.;
-  };
+  home-manager = pkgs.callPackage ./home-manager { path = toString ./.; };
 
-  install = pkgs.callPackage ./home-manager/install.nix {
-    inherit home-manager;
-  };
+  install =
+    pkgs.callPackage ./home-manager/install.nix { inherit home-manager; };
 
   nixos = import ./nixos;
 }
diff --git a/doc/default.nix b/doc/default.nix
index 97c1914a..638027b0 100644
--- a/doc/default.nix
+++ b/doc/default.nix
@@ -1,8 +1,6 @@
 {
-  # Note, this should be "the standard library" + HM extensions.
-  lib
-, pkgs
-}:
+# Note, this should be "the standard library" + HM extensions.
+lib, pkgs }:
 
 let
 
@@ -19,23 +17,19 @@ let
   # Make sure the used package is scrubbed to avoid actually
   # instantiating derivations.
   scrubbedPkgsModule = {
-    imports = [
-      {
-        _module.args = {
-          pkgs = lib.mkForce (nmd.scrubDerivations "pkgs" pkgs);
-          pkgs_i686 = lib.mkForce { };
-        };
-      }
-    ];
+    imports = [{
+      _module.args = {
+        pkgs = lib.mkForce (nmd.scrubDerivations "pkgs" pkgs);
+        pkgs_i686 = lib.mkForce { };
+      };
+    }];
   };
 
   hmModulesDocs = nmd.buildModulesDocs {
-    modules =
-      import ../modules/modules.nix {
-        inherit lib pkgs;
-        check = false;
-      }
-      ++ [ scrubbedPkgsModule ];
+    modules = import ../modules/modules.nix {
+      inherit lib pkgs;
+      check = false;
+    } ++ [ scrubbedPkgsModule ];
     moduleRootPaths = [ ./.. ];
     mkModuleUrl = path:
       "https://github.com/rycee/home-manager/blob/master/${path}#blob-path";
@@ -58,9 +52,7 @@ let
     '';
   };
 
-in
-
-{
+in {
   inherit nmdSrc;
 
   options = {
@@ -71,7 +63,5 @@ in
 
   manPages = docs.manPages;
 
-  manual = {
-    inherit (docs) html htmlOpenTool;
-  };
+  manual = { inherit (docs) html htmlOpenTool; };
 }
diff --git a/home-manager/install.nix b/home-manager/install.nix
index bafb9a06..87aae504 100644
--- a/home-manager/install.nix
+++ b/home-manager/install.nix
@@ -1,70 +1,67 @@
 { home-manager, runCommand }:
 
-runCommand
-  "home-manager-install"
-  {
-    propagatedBuildInputs = [ home-manager ];
-    preferLocalBuild = true;
-    allowSubstitutes = false;
-    shellHookOnly = true;
-    shellHook = ''
-      confFile="''${XDG_CONFIG_HOME:-$HOME/.config}/nixpkgs/home.nix"
-
-      if [[ ! -e $confFile ]]; then
-        echo
-        echo "Creating initial Home Manager configuration..."
-
-        mkdir -p "$(dirname "$confFile")"
-        cat > $confFile <<EOF
-      { config, pkgs, ... }:
-
-      {
-        # Let Home Manager install and manage itself.
-        programs.home-manager.enable = true;
-
-        # This value determines the Home Manager release that your
-        # configuration is compatible with. This helps avoid breakage
-        # when a new Home Manager release introduces backwards
-        # incompatible changes.
-        #
-        # You can update Home Manager without changing this value. See
-        # the Home Manager release notes for a list of state version
-        # changes in each release.
-        home.stateVersion = "19.09";
-      }
-      EOF
-      fi
+runCommand "home-manager-install" {
+  propagatedBuildInputs = [ home-manager ];
+  preferLocalBuild = true;
+  allowSubstitutes = false;
+  shellHookOnly = true;
+  shellHook = ''
+    confFile="''${XDG_CONFIG_HOME:-$HOME/.config}/nixpkgs/home.nix"
 
+    if [[ ! -e $confFile ]]; then
       echo
-      echo "Creating initial Home Manager generation..."
-      echo
+      echo "Creating initial Home Manager configuration..."
 
-      if home-manager switch; then
-        cat <<EOF
+      mkdir -p "$(dirname "$confFile")"
+      cat > $confFile <<EOF
+    { config, pkgs, ... }:
 
-      All done! The home-manager tool should now be installed and you
-      can edit
+    {
+      # Let Home Manager install and manage itself.
+      programs.home-manager.enable = true;
 
-          $confFile
+      # This value determines the Home Manager release that your
+      # configuration is compatible with. This helps avoid breakage
+      # when a new Home Manager release introduces backwards
+      # incompatible changes.
+      #
+      # You can update Home Manager without changing this value. See
+      # the Home Manager release notes for a list of state version
+      # changes in each release.
+      home.stateVersion = "19.09";
+    }
+    EOF
+    fi
 
-      to configure Home Manager. Run 'man home-configuration.nix' to
-      see all available options.
-      EOF
-        exit 0
-      else
-        cat <<EOF
+    echo
+    echo "Creating initial Home Manager generation..."
+    echo
 
-      Uh oh, the installation failed! Please create an issue at
+    if home-manager switch; then
+      cat <<EOF
 
-          https://github.com/rycee/home-manager/issues
+    All done! The home-manager tool should now be installed and you
+    can edit
 
-      if the error seems to be the fault of Home Manager.
-      EOF
-        exit 1
-      fi
-    '';
-  }
-  ''
-    echo This derivation is not buildable, instead run it using nix-shell.
-    exit 1
-  ''
+        $confFile
+
+    to configure Home Manager. Run 'man home-configuration.nix' to
+    see all available options.
+    EOF
+      exit 0
+    else
+      cat <<EOF
+
+    Uh oh, the installation failed! Please create an issue at
+
+        https://github.com/rycee/home-manager/issues
+
+    if the error seems to be the fault of Home Manager.
+    EOF
+      exit 1
+    fi
+  '';
+} ''
+  echo This derivation is not buildable, instead run it using nix-shell.
+  exit 1
+''
diff --git a/modules/lib/dag.nix b/modules/lib/dag.nix
index 535dec35..cbe34129 100644
--- a/modules/lib/dag.nix
+++ b/modules/lib/dag.nix
@@ -13,13 +13,11 @@ with lib;
 
 rec {
 
-  emptyDag = {};
+  emptyDag = { };
 
   isDag = dag:
-    let
-      isEntry = e: (e ? data) && (e ? after) && (e ? before);
-    in
-      builtins.isAttrs dag && all (x: x) (mapAttrsToList (n: isEntry) dag);
+    let isEntry = e: (e ? data) && (e ? after) && (e ? before);
+    in builtins.isAttrs dag && all (x: x) (mapAttrsToList (n: isEntry) dag);
 
   # Takes an attribute set containing entries built by
   # dagEntryAnywhere, dagEntryAfter, and dagEntryBefore to a
@@ -80,22 +78,19 @@ rec {
   dagTopoSort = dag:
     let
       dagBefore = dag: name:
-        mapAttrsToList (n: v: n) (
-          filterAttrs (n: v: any (a: a == name) v.before) dag
-        );
-      normalizedDag =
-        mapAttrs (n: v: {
-          name = n;
-          data = v.data;
-          after = v.after ++ dagBefore dag n;
-        }) dag;
+        mapAttrsToList (n: v: n)
+        (filterAttrs (n: v: any (a: a == name) v.before) dag);
+      normalizedDag = mapAttrs (n: v: {
+        name = n;
+        data = v.data;
+        after = v.after ++ dagBefore dag n;
+      }) dag;
       before = a: b: any (c: a.name == c) b.after;
       sorted = toposort before (mapAttrsToList (n: v: v) normalizedDag);
-    in
-      if sorted ? result then
-        { result = map (v: { inherit (v) name data; }) sorted.result; }
-      else
-        sorted;
+    in if sorted ? result then {
+      result = map (v: { inherit (v) name data; }) sorted.result;
+    } else
+      sorted;
 
   # Applies a function to each element of the given DAG.
   dagMap = f: dag: mapAttrs (n: v: v // { data = f n v.data; }) dag;
@@ -103,22 +98,20 @@ rec {
   # Create a DAG entry with no particular dependency information.
   dagEntryAnywhere = data: {
     inherit data;
-    before = [];
-    after = [];
+    before = [ ];
+    after = [ ];
   };
 
-  dagEntryBetween = before: after: data: {
-    inherit data before after;
-  };
+  dagEntryBetween = before: after: data: { inherit data before after; };
 
   dagEntryAfter = after: data: {
     inherit data after;
-    before = [];
+    before = [ ];
   };
 
   dagEntryBefore = before: data: {
     inherit data before;
-    after = [];
+    after = [ ];
   };
 
 }
diff --git a/modules/lib/shell.nix b/modules/lib/shell.nix
index f1443c54..5e5743f5 100644
--- a/modules/lib/shell.nix
+++ b/modules/lib/shell.nix
@@ -2,7 +2,7 @@
 
 rec {
   # Produces a Bourne shell like variable export statement.
-  export = n: v: "export ${n}=\"${toString v}\"";
+  export = n: v: ''export ${n}="${toString v}"'';
 
   # Given an attribute set containing shell variable names and their
   # assignment, this function produces a string containing an export
diff --git a/modules/lib/stdlib-extended.nix b/modules/lib/stdlib-extended.nix
index 307f7a07..93f2397c 100644
--- a/modules/lib/stdlib-extended.nix
+++ b/modules/lib/stdlib-extended.nix
@@ -3,9 +3,5 @@
 
 nixpkgsLib:
 
-let
-  mkHmLib = import ./.;
-in
-  nixpkgsLib.extend (self: super: {
-    hm = mkHmLib { lib = super; };
-  })
+let mkHmLib = import ./.;
+in nixpkgsLib.extend (self: super: { hm = mkHmLib { lib = super; }; })
diff --git a/modules/lib/strings.nix b/modules/lib/strings.nix
index 13d6bb03..fe7b2fa3 100644
--- a/modules/lib/strings.nix
+++ b/modules/lib/strings.nix
@@ -9,19 +9,14 @@ with lib;
       # All characters that are considered safe. Note "-" is not
       # included to avoid "-" followed by digit being interpreted as a
       # version.
-      safeChars =
-        [ "+" "." "_" "?" "=" ]
-        ++ lowerChars
-        ++ upperChars
+      safeChars = [ "+" "." "_" "?" "=" ] ++ lowerChars ++ upperChars
         ++ stringToCharacters "0123456789";
 
       empties = l: genList (x: "") (length l);
 
-      unsafeInName = stringToCharacters (
-        replaceStrings safeChars (empties safeChars) path
-      );
+      unsafeInName =
+        stringToCharacters (replaceStrings safeChars (empties safeChars) path);
 
       safeName = replaceStrings unsafeInName (empties unsafeInName) path;
-    in
-      "hm_" + safeName;
+    in "hm_" + safeName;
 }
diff --git a/modules/lib/types-dag.nix b/modules/lib/types-dag.nix
index 4003d713..4dbdb907 100644
--- a/modules/lib/types-dag.nix
+++ b/modules/lib/types-dag.nix
@@ -6,41 +6,34 @@ let
 
   isDagEntry = e: isAttrs e && (e ? data) && (e ? after) && (e ? before);
 
-  dagContentType = elemType: types.submodule {
-    options = {
-      data = mkOption { type = elemType; };
-      after = mkOption { type = with types; uniq (listOf str); };
-      before = mkOption { type = with types; uniq (listOf str); };
+  dagContentType = elemType:
+    types.submodule {
+      options = {
+        data = mkOption { type = elemType; };
+        after = mkOption { type = with types; uniq (listOf str); };
+        before = mkOption { type = with types; uniq (listOf str); };
+      };
     };
-  };
 
-in
-
-{
+in {
   # A directed acyclic graph of some inner type.
   dagOf = elemType:
     let
-      convertAllToDags =
-        let
-          maybeConvert = n: v:
-            if isDagEntry v
-            then v
-            else dag.entryAnywhere v;
-        in
-          map (def: def // { value = mapAttrs maybeConvert def.value; });
+      convertAllToDags = let
+        maybeConvert = n: v: if isDagEntry v then v else dag.entryAnywhere v;
+      in map (def: def // { value = mapAttrs maybeConvert def.value; });
 
       attrEquivalent = types.attrsOf (dagContentType elemType);
-    in
-      mkOptionType rec {
-        name = "dagOf";
-        description = "DAG of ${elemType.description}s";
-        check = isAttrs;
-        merge = loc: defs: attrEquivalent.merge loc (convertAllToDags defs);
-        getSubOptions = prefix: elemType.getSubOptions (prefix ++ ["<name>"]);
-        getSubModules = elemType.getSubModules;
-        substSubModules = m: dagOf (elemType.substSubModules m);
-        functor = (defaultFunctor name) // { wrapped = elemType; };
-      };
+    in mkOptionType rec {
+      name = "dagOf";
+      description = "DAG of ${elemType.description}s";
+      check = isAttrs;
+      merge = loc: defs: attrEquivalent.merge loc (convertAllToDags defs);
+      getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "<name>" ]);
+      getSubModules = elemType.getSubModules;
+      substSubModules = m: dagOf (elemType.substSubModules m);
+      functor = (defaultFunctor name) // { wrapped = elemType; };
+    };
 
   # A directed acyclic graph of some inner type OR a list of that
   # inner type. This is a temporary hack for use by the
@@ -55,42 +48,37 @@ in
   listOrDagOf = elemType:
     let
       paddedIndexStr = list: i:
-        let
-          padWidth = stringLength (toString (length list));
-        in
-          fixedWidthNumber padWidth i;
+        let padWidth = stringLength (toString (length list));
+        in fixedWidthNumber padWidth i;
 
       convertAllToDags = defs:
         let
           convertAttrValue = n: v:
-            if isDagEntry v then v
-            else dag.entryAnywhere v;
+            if isDagEntry v then v else dag.entryAnywhere v;
 
           convertListValue = namePrefix: vs:
             let
               pad = paddedIndexStr vs;
               makeEntry = i: v:
                 nameValuePair "${namePrefix}.${pad i}" (dag.entryAnywhere v);
-            in
-              listToAttrs (imap1 makeEntry vs);
+            in listToAttrs (imap1 makeEntry vs);
 
           convertValue = i: value:
-            if isList value
-            then convertListValue "unnamed-${paddedIndexStr defs i}" value
-            else mapAttrs convertAttrValue value;
-        in
-          imap1 (i: def: def // { value = convertValue i def.value; }) defs;
+            if isList value then
+              convertListValue "unnamed-${paddedIndexStr defs i}" value
+            else
+              mapAttrs convertAttrValue value;
+        in imap1 (i: def: def // { value = convertValue i def.value; }) defs;
 
       attrEquivalent = types.attrsOf (dagContentType elemType);
-    in
-      mkOptionType rec {
-        name = "dagOf";
-        description = "DAG of ${elemType.description}s";
-        check = x: isAttrs x || isList x;
-        merge = loc: defs: attrEquivalent.merge loc (convertAllToDags defs);
-        getSubOptions = prefix: elemType.getSubOptions (prefix ++ ["<name>"]);
-        getSubModules = elemType.getSubModules;
-        substSubModules = m: dagOf (elemType.substSubModules m);
-        functor = (defaultFunctor name) // { wrapped = elemType; };
-      };
+    in mkOptionType rec {
+      name = "dagOf";
+      description = "DAG of ${elemType.description}s";
+      check = x: isAttrs x || isList x;
+      merge = loc: defs: attrEquivalent.merge loc (convertAllToDags defs);
+      getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "<name>" ]);
+      getSubModules = elemType.getSubModules;
+      substSubModules = m: dagOf (elemType.substSubModules m);
+      functor = (defaultFunctor name) // { wrapped = elemType; };
+    };
 }
diff --git a/modules/lib/zsh.nix b/modules/lib/zsh.nix
index 1d3e96b5..c6901350 100644
--- a/modules/lib/zsh.nix
+++ b/modules/lib/zsh.nix
@@ -2,13 +2,15 @@
 
 rec {
   # Produces a Zsh shell like value
-  toZshValue = v: if builtins.isBool v then
-                    if v then "true" else "false"
-                  else if builtins.isString v then
-                    "\"${v}\""
-                  else if builtins.isList v then
-                    "(${lib.concatStringsSep " " (map toZshValue v)})"
-                  else "\"${toString v}\"";
+  toZshValue = v:
+    if builtins.isBool v then
+      if v then "true" else "false"
+    else if builtins.isString v then
+      ''"${v}"''
+    else if builtins.isList v then
+      "(${lib.concatStringsSep " " (map toZshValue v)})"
+    else
+      ''"${toString v}"'';
 
   # Produces a Zsh shell like definition statement
   define = n: v: "${n}=${toZshValue v}";
diff --git a/modules/misc/fontconfig.nix b/modules/misc/fontconfig.nix
index 8dbcce53..795ab3a7 100644
--- a/modules/misc/fontconfig.nix
+++ b/modules/misc/fontconfig.nix
@@ -8,15 +8,15 @@ let
 
   profileDirectory = config.home.profileDirectory;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   imports = [
-    (mkRenamedOptionModule
-      [ "fonts" "fontconfig" "enableProfileFonts" ]
-      [ "fonts" "fontconfig" "enable" ])
+    (mkRenamedOptionModule [ "fonts" "fontconfig" "enableProfileFonts" ] [
+      "fonts"
+      "fontconfig"
+      "enable"
+    ])
   ];
 
   options = {
diff --git a/modules/misc/lib.nix b/modules/misc/lib.nix
index a0907545..13c00dc5 100644
--- a/modules/misc/lib.nix
+++ b/modules/misc/lib.nix
@@ -4,7 +4,7 @@
   options = {
     lib = lib.mkOption {
       type = lib.types.attrsOf lib.types.attrs;
-      default = {};
+      default = { };
       description = ''
         This option allows modules to define helper functions,
         constants, etc.
diff --git a/modules/misc/numlock.nix b/modules/misc/numlock.nix
index 77149d12..199dd317 100644
--- a/modules/misc/numlock.nix
+++ b/modules/misc/numlock.nix
@@ -6,12 +6,8 @@ let
 
   cfg = config.xsession.numlock;
 
-in
-
-{
-  options = {
-    xsession.numlock.enable = mkEnableOption "Num Lock";
-  };
+in {
+  options = { xsession.numlock.enable = mkEnableOption "Num Lock"; };
 
   config = mkIf cfg.enable {
     systemd.user.services.numlockx = {
@@ -27,9 +23,7 @@ in
         ExecStart = "${pkgs.numlockx}/bin/numlockx";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/misc/pam.nix b/modules/misc/pam.nix
index 6ace2bfd..f54f4b95 100644
--- a/modules/misc/pam.nix
+++ b/modules/misc/pam.nix
@@ -6,14 +6,12 @@ let
 
   vars = config.pam.sessionVariables;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
     pam.sessionVariables = mkOption {
-      default = {};
+      default = { };
       type = types.attrs;
       example = { EDITOR = "vim"; };
       description = ''
@@ -27,10 +25,8 @@ in
     };
   };
 
-  config = mkIf (vars != {}) {
-    home.file.".pam_environment".text =
-      concatStringsSep "\n" (
-        mapAttrsToList (n: v: "${n} OVERRIDE=\"${toString v}\"") vars
-      ) + "\n";
+  config = mkIf (vars != { }) {
+    home.file.".pam_environment".text = concatStringsSep "\n"
+      (mapAttrsToList (n: v: ''${n} OVERRIDE="${toString v}"'') vars) + "\n";
   };
 }
diff --git a/modules/misc/qt.nix b/modules/misc/qt.nix
index d0ba16d7..ff38f842 100644
--- a/modules/misc/qt.nix
+++ b/modules/misc/qt.nix
@@ -6,19 +6,13 @@ let
 
   cfg = config.qt;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   imports = [
-    (mkChangedOptionModule
-      [ "qt" "useGtkTheme" ]
-      [ "qt" "platformTheme" ]
+    (mkChangedOptionModule [ "qt" "useGtkTheme" ] [ "qt" "platformTheme" ]
       (config:
-        if getAttrFromPath [ "qt" "useGtkTheme" ] config
-        then "gtk"
-        else null))
+        if getAttrFromPath [ "qt" "useGtkTheme" ] config then "gtk" else null))
   ];
 
   options = {
@@ -29,10 +23,8 @@ in
         type = types.nullOr (types.enum [ "gtk" "gnome" ]);
         default = null;
         example = "gnome";
-        relatedPackages = [
-          "qgnomeplatform"
-          ["libsForQt5" "qtstyleplugins"]
-        ];
+        relatedPackages =
+          [ "qgnomeplatform" [ "libsForQt5" "qtstyleplugins" ] ];
         description = ''
           Selects the platform theme to use for Qt applications.</para>
           <para>The options are
@@ -59,16 +51,16 @@ in
     home.sessionVariables.QT_QPA_PLATFORMTHEME =
       if cfg.platformTheme == "gnome" then "gnome" else "gtk2";
 
-    home.packages =
-      if cfg.platformTheme == "gnome"
-      then [ pkgs.qgnomeplatform ]
-      else [ pkgs.libsForQt5.qtstyleplugins ];
+    home.packages = if cfg.platformTheme == "gnome" then
+      [ pkgs.qgnomeplatform ]
+    else
+      [ pkgs.libsForQt5.qtstyleplugins ];
 
     xsession.importedVariables = [ "QT_QPA_PLATFORMTHEME" ];
 
     # Enable GTK+ style for Qt4 in either case.
     # It doesn’t support the platform theme packages.
-    home.activation.useGtkThemeInQt4 = hm.dag.entryAfter ["writeBoundary"] ''
+    home.activation.useGtkThemeInQt4 = hm.dag.entryAfter [ "writeBoundary" ] ''
       $DRY_RUN_CMD ${pkgs.crudini}/bin/crudini $VERBOSE_ARG \
         --set "${config.xdg.configHome}/Trolltech.conf" Qt style GTK+
     '';
diff --git a/modules/misc/xdg-mime-apps.nix b/modules/misc/xdg-mime-apps.nix
index 979c7ea4..7ba4083b 100644
--- a/modules/misc/xdg-mime-apps.nix
+++ b/modules/misc/xdg-mime-apps.nix
@@ -9,9 +9,7 @@ let
   strListOrSingleton = with types;
     coercedTo (either (listOf str) str) toList (listOf str);
 
-in
-
-{
+in {
   meta.maintainers = with maintainers; [ pacien ];
 
   options.xdg.mimeApps = {
@@ -80,13 +78,11 @@ in
       config.xdg.configFile."mimeapps.list".source;
 
     xdg.configFile."mimeapps.list".text =
-      let
-        joinValues = mapAttrs (n: concatStringsSep ";");
-      in
-        generators.toINI {} {
-          "Added Associations" = joinValues cfg.associations.added;
-          "Removed Associations" = joinValues cfg.associations.removed;
-          "Default Applications" = joinValues cfg.defaultApplications;
-        };
+      let joinValues = mapAttrs (n: concatStringsSep ";");
+      in generators.toINI { } {
+        "Added Associations" = joinValues cfg.associations.added;
+        "Removed Associations" = joinValues cfg.associations.removed;
+        "Default Applications" = joinValues cfg.defaultApplications;
+      };
   };
 }
diff --git a/modules/misc/xdg-mime.nix b/modules/misc/xdg-mime.nix
index 0063e43d..32006e02 100644
--- a/modules/misc/xdg-mime.nix
+++ b/modules/misc/xdg-mime.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.xdg.mime;
 
-in
-
-{
+in {
   options = {
     xdg.mime.enable = mkOption {
       type = types.bool;
diff --git a/modules/misc/xdg-user-dirs.nix b/modules/misc/xdg-user-dirs.nix
index d45356da..da9d3c43 100644
--- a/modules/misc/xdg-user-dirs.nix
+++ b/modules/misc/xdg-user-dirs.nix
@@ -6,15 +6,15 @@ let
 
   cfg = config.xdg.userDirs;
 
-in
-
-{
+in {
   meta.maintainers = with maintainers; [ pacien ];
 
   imports = [
-    (mkRenamedOptionModule
-      [ "xdg" "userDirs" "publishShare" ]
-      [ "xdg" "userDirs" "publicShare" ])
+    (mkRenamedOptionModule [ "xdg" "userDirs" "publishShare" ] [
+      "xdg"
+      "userDirs"
+      "publicShare"
+    ])
   ];
 
   options.xdg.userDirs = {
@@ -89,18 +89,15 @@ in
   };
 
   config = mkIf cfg.enable {
-    xdg.configFile."user-dirs.dirs".text = generators.toKeyValue {} (
-      {
-        XDG_DESKTOP_DIR = cfg.desktop;
-        XDG_DOCUMENTS_DIR = cfg.documents;
-        XDG_DOWNLOAD_DIR = cfg.download;
-        XDG_MUSIC_DIR = cfg.music;
-        XDG_PICTURES_DIR = cfg.pictures;
-        XDG_PUBLICSHARE_DIR = cfg.publicShare;
-        XDG_TEMPLATES_DIR = cfg.templates;
-        XDG_VIDEOS_DIR = cfg.videos;
-      }
-      // cfg.extraConfig
-    );
+    xdg.configFile."user-dirs.dirs".text = generators.toKeyValue { } ({
+      XDG_DESKTOP_DIR = cfg.desktop;
+      XDG_DOCUMENTS_DIR = cfg.documents;
+      XDG_DOWNLOAD_DIR = cfg.download;
+      XDG_MUSIC_DIR = cfg.music;
+      XDG_PICTURES_DIR = cfg.pictures;
+      XDG_PUBLICSHARE_DIR = cfg.publicShare;
+      XDG_TEMPLATES_DIR = cfg.templates;
+      XDG_VIDEOS_DIR = cfg.videos;
+    } // cfg.extraConfig);
   };
 }
diff --git a/modules/programs/alacritty.nix b/modules/programs/alacritty.nix
index 84675cb1..69b9ea96 100644
--- a/modules/programs/alacritty.nix
+++ b/modules/programs/alacritty.nix
@@ -6,16 +6,14 @@ let
 
   cfg = config.programs.alacritty;
 
-in
-
-{
+in {
   options = {
     programs.alacritty = {
       enable = mkEnableOption "Alacritty";
 
       settings = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             window.dimensions = {
@@ -45,8 +43,9 @@ in
     (mkIf cfg.enable {
       home.packages = [ pkgs.alacritty ];
 
-      xdg.configFile."alacritty/alacritty.yml" = mkIf (cfg.settings != {}) {
-        text = replaceStrings ["\\\\"] ["\\"] (builtins.toJSON cfg.settings);
+      xdg.configFile."alacritty/alacritty.yml" = mkIf (cfg.settings != { }) {
+        text =
+          replaceStrings [ "\\\\" ] [ "\\" ] (builtins.toJSON cfg.settings);
       };
     })
   ];
diff --git a/modules/programs/alot-accounts.nix b/modules/programs/alot-accounts.nix
index 8f3ffdfb..89ae28f9 100644
--- a/modules/programs/alot-accounts.nix
+++ b/modules/programs/alot-accounts.nix
@@ -18,12 +18,10 @@ with lib;
       type = types.attrsOf types.str;
       default = {
         type = "shellcommand";
-        command = "'${pkgs.notmuch}/bin/notmuch address --format=json --output=recipients  date:6M..'";
-        regexp =
-          "'\\[?{"
-          + ''"name": "(?P<name>.*)", ''
-          + ''"address": "(?P<email>.+)", ''
-          + ''"name-addr": ".*"''
+        command =
+          "'${pkgs.notmuch}/bin/notmuch address --format=json --output=recipients  date:6M..'";
+        regexp = "'\\[?{" + ''
+          "name": "(?P<name>.*)", "address": "(?P<email>.+)", "name-addr": ".*"''
           + "}[,\\]]?'";
         shellcommand_external_filtering = "False";
       };
@@ -36,9 +34,9 @@ with lib;
         }
       '';
       description = ''
-       Contact completion configuration as expected per alot.
-       See <link xlink:href="http://alot.readthedocs.io/en/latest/configuration/contacts_completion.html">alot's wiki</link> for
-       explanation about possible values.
+        Contact completion configuration as expected per alot.
+        See <link xlink:href="http://alot.readthedocs.io/en/latest/configuration/contacts_completion.html">alot's wiki</link> for
+        explanation about possible values.
       '';
     };
 
@@ -52,10 +50,9 @@ with lib;
   };
 
   config = mkIf config.notmuch.enable {
-    alot.sendMailCommand = mkOptionDefault (
-      if config.msmtp.enable
-      then "msmtpq --read-envelope-from --read-recipients"
-      else null
-    );
+    alot.sendMailCommand = mkOptionDefault (if config.msmtp.enable then
+      "msmtpq --read-envelope-from --read-recipients"
+    else
+      null);
   };
 }
diff --git a/modules/programs/astroid-accounts.nix b/modules/programs/astroid-accounts.nix
index bc94a301..17544ff7 100644
--- a/modules/programs/astroid-accounts.nix
+++ b/modules/programs/astroid-accounts.nix
@@ -17,7 +17,7 @@ with lib;
 
     extraConfig = mkOption {
       type = types.attrs;
-      default = {};
+      default = { };
       example = { select_query = ""; };
       description = ''
         Extra settings to add to this astroid account configuration.
@@ -26,8 +26,7 @@ with lib;
   };
 
   config = mkIf config.notmuch.enable {
-    astroid.sendMailCommand = mkIf config.msmtp.enable (
-      mkOptionDefault "msmtpq --read-envelope-from --read-recipients"
-    );
+    astroid.sendMailCommand = mkIf config.msmtp.enable
+      (mkOptionDefault "msmtpq --read-envelope-from --read-recipients");
   };
 }
diff --git a/modules/programs/astroid.nix b/modules/programs/astroid.nix
index b4b60fe2..8b3762fa 100644
--- a/modules/programs/astroid.nix
+++ b/modules/programs/astroid.nix
@@ -8,35 +8,32 @@ let
   cfg = config.programs.astroid;
 
   astroidAccounts =
-    filterAttrs
-      (n: v: v.astroid.enable)
-      config.accounts.email.accounts;
+    filterAttrs (n: v: v.astroid.enable) config.accounts.email.accounts;
 
   boolOpt = b: if b then "true" else "false";
 
-  accountAttr = account: with account; {
-    email = address;
-    name = realName;
-    sendmail = astroid.sendMailCommand;
-    additional_sent_tags = "";
-    default = boolOpt primary;
-    save_drafts_to = "${maildir.absPath}/${folders.drafts}";
-    save_sent = "true";
-    save_sent_to = "${maildir.absPath}/${folders.sent}";
-    select_query = "";
-  }
-  // optionalAttrs (signature.showSignature != "none") {
-    signature_attach = boolOpt (signature.showSignature == "attach");
-    signature_default_on = boolOpt (signature.showSignature != "none");
-    signature_file = pkgs.writeText "signature.txt" signature.text;
-    signature_file_markdown = "false";
-    signature_separate = "true";  # prepends '--\n' to the signature
-  }
-  // optionalAttrs (gpg != null) {
-    always_gpg_sign = boolOpt gpg.signByDefault;
-    gpgkey = gpg.key;
-  }
-  // astroid.extraConfig;
+  accountAttr = account:
+    with account;
+    {
+      email = address;
+      name = realName;
+      sendmail = astroid.sendMailCommand;
+      additional_sent_tags = "";
+      default = boolOpt primary;
+      save_drafts_to = "${maildir.absPath}/${folders.drafts}";
+      save_sent = "true";
+      save_sent_to = "${maildir.absPath}/${folders.sent}";
+      select_query = "";
+    } // optionalAttrs (signature.showSignature != "none") {
+      signature_attach = boolOpt (signature.showSignature == "attach");
+      signature_default_on = boolOpt (signature.showSignature != "none");
+      signature_file = pkgs.writeText "signature.txt" signature.text;
+      signature_file_markdown = "false";
+      signature_separate = "true"; # prepends '--\n' to the signature
+    } // optionalAttrs (gpg != null) {
+      always_gpg_sign = boolOpt gpg.signByDefault;
+      gpgkey = gpg.key;
+    } // astroid.extraConfig;
 
   # See https://github.com/astroidmail/astroid/wiki/Configuration-Reference
   configFile = mailAccounts:
@@ -51,12 +48,9 @@ let
         cfg.extraConfig
         cfg.externalEditor
       ];
-    in
-      builtins.toJSON astroidConfig;
+    in builtins.toJSON astroidConfig;
 
-in
-
-{
+in {
   options = {
     programs.astroid = {
       enable = mkEnableOption "Astroid";
@@ -81,7 +75,8 @@ in
               "cmd" = cmd;
             };
           };
-        example = "nvim-qt -- -c 'set ft=mail' '+set fileencoding=utf-8' '+set ff=unix' '+set enc=utf-8' '+set fo+=w' %1";
+        example =
+          "nvim-qt -- -c 'set ft=mail' '+set fileencoding=utf-8' '+set ff=unix' '+set enc=utf-8' '+set fo+=w' %1";
         description = ''
           You can use <code>%1</code>, <code>%2</code>, and
           <code>%3</code> to refer respectively to:
@@ -96,7 +91,7 @@ in
 
       extraConfig = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = { poll.interval = 0; };
         description = ''
           JSON config that will override the default Astroid configuration.
@@ -106,18 +101,15 @@ in
   };
 
   config = mkIf cfg.enable {
-    home.packages =  [ pkgs.astroid ];
+    home.packages = [ pkgs.astroid ];
 
-    xdg.configFile."astroid/config".source =
-      pkgs.runCommand "out.json"
-        {
-          json = configFile astroidAccounts;
-          preferLocalBuild = true;
-          allowSubstitutes = false;
-        }
-        ''
-          echo -n "$json" | ${pkgs.jq}/bin/jq . > $out
-        '';
+    xdg.configFile."astroid/config".source = pkgs.runCommand "out.json" {
+      json = configFile astroidAccounts;
+      preferLocalBuild = true;
+      allowSubstitutes = false;
+    } ''
+      echo -n "$json" | ${pkgs.jq}/bin/jq . > $out
+    '';
 
     xdg.configFile."astroid/poll.sh" = {
       executable = true;
diff --git a/modules/programs/autorandr.nix b/modules/programs/autorandr.nix
index 4514a5b5..02fc77c1 100644
--- a/modules/programs/autorandr.nix
+++ b/modules/programs/autorandr.nix
@@ -6,20 +6,21 @@ let
 
   cfg = config.programs.autorandr;
 
-  matrixOf = n: m: elemType: mkOptionType rec {
-    name = "matrixOf";
-    description = "${toString n}×${toString m} matrix of ${elemType.description}s";
-    check = xss:
-      let
-        listOfSize = l: xs: isList xs && length xs == l;
-      in
-        listOfSize n xss && all (xs: listOfSize m xs && all elemType.check xs) xss;
-    merge = mergeOneOption;
-    getSubOptions = prefix: elemType.getSubOptions (prefix ++ ["*" "*"]);
-    getSubModules = elemType.getSubModules;
-    substSubModules = mod: matrixOf n m (elemType.substSubModules mod);
-    functor = (defaultFunctor name) // { wrapped = elemType; };
-  };
+  matrixOf = n: m: elemType:
+    mkOptionType rec {
+      name = "matrixOf";
+      description =
+        "${toString n}×${toString m} matrix of ${elemType.description}s";
+      check = xss:
+        let listOfSize = l: xs: isList xs && length xs == l;
+        in listOfSize n xss
+        && all (xs: listOfSize m xs && all elemType.check xs) xss;
+      merge = mergeOneOption;
+      getSubOptions = prefix: elemType.getSubOptions (prefix ++ [ "*" "*" ]);
+      getSubModules = elemType.getSubModules;
+      substSubModules = mod: matrixOf n m (elemType.substSubModules mod);
+      functor = (defaultFunctor name) // { wrapped = elemType; };
+    };
 
   profileModule = types.submodule {
     options = {
@@ -29,19 +30,19 @@ let
           Output name to EDID mapping.
           Use <code>autorandr --fingerprint</code> to get current setup values.
         '';
-        default = {};
+        default = { };
       };
 
       config = mkOption {
         type = types.attrsOf configModule;
         description = "Per output profile configuration.";
-        default = {};
+        default = { };
       };
 
       hooks = mkOption {
         type = profileHooksModule;
         description = "Profile hook scripts.";
-        default = {};
+        default = { };
       };
     };
   };
@@ -89,7 +90,7 @@ let
       };
 
       rotate = mkOption {
-        type = types.nullOr (types.enum ["normal" "left" "right" "inverted"]);
+        type = types.nullOr (types.enum [ "normal" "left" "right" "inverted" ]);
         description = "Output rotate configuration.";
         default = null;
         example = "left";
@@ -126,7 +127,7 @@ let
         type = types.nullOr (types.submodule {
           options = {
             method = mkOption {
-              type = types.enum ["factor" "pixel" ];
+              type = types.enum [ "factor" "pixel" ];
               description = "Output scaling method.";
               default = "factor";
               example = "pixel";
@@ -178,19 +179,21 @@ let
       postswitch = mkOption {
         type = types.attrsOf hookType;
         description = "Postswitch hook executed after mode switch.";
-        default = {};
+        default = { };
       };
 
       preswitch = mkOption {
         type = types.attrsOf hookType;
         description = "Preswitch hook executed before mode switch.";
-        default = {};
+        default = { };
       };
 
       predetect = mkOption {
         type = types.attrsOf hookType;
-        description = "Predetect hook executed before autorandr attempts to run xrandr.";
-        default = {};
+        description = ''
+          Predetect hook executed before autorandr attempts to run xrandr.
+        '';
+        default = { };
       };
     };
   };
@@ -211,50 +214,56 @@ let
 
       predetect = mkOption {
         type = hookType;
-        description = "Predetect hook executed before autorandr attempts to run xrandr.";
+        description = ''
+          Predetect hook executed before autorandr attempts to run xrandr.
+        '';
         default = "";
       };
     };
   };
 
   hookToFile = folder: name: hook:
-    nameValuePair
-      "autorandr/${folder}/${name}"
-      { source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook"; };
-  profileToFiles = name: profile: with profile; mkMerge ([
-    {
-      "autorandr/${name}/setup".text = concatStringsSep "\n" (mapAttrsToList fingerprintToString fingerprint);
-      "autorandr/${name}/config".text = concatStringsSep "\n" (mapAttrsToList configToString profile.config);
-    }
-    (mkIf (hooks.postswitch != "") (listToAttrs [ (hookToFile name "postswitch" hooks.postswitch) ]))
-    (mkIf (hooks.preswitch != "") (listToAttrs [ (hookToFile name "preswitch" hooks.preswitch) ]))
-    (mkIf (hooks.predetect != "") (listToAttrs [ (hookToFile name "predetect" hooks.predetect) ]))
-  ]);
+    nameValuePair "autorandr/${folder}/${name}" {
+      source = "${pkgs.writeShellScriptBin "hook" hook}/bin/hook";
+    };
+  profileToFiles = name: profile:
+    with profile;
+    mkMerge ([
+      {
+        "autorandr/${name}/setup".text = concatStringsSep "\n"
+          (mapAttrsToList fingerprintToString fingerprint);
+        "autorandr/${name}/config".text =
+          concatStringsSep "\n" (mapAttrsToList configToString profile.config);
+      }
+      (mkIf (hooks.postswitch != "")
+        (listToAttrs [ (hookToFile name "postswitch" hooks.postswitch) ]))
+      (mkIf (hooks.preswitch != "")
+        (listToAttrs [ (hookToFile name "preswitch" hooks.preswitch) ]))
+      (mkIf (hooks.predetect != "")
+        (listToAttrs [ (hookToFile name "predetect" hooks.predetect) ]))
+    ]);
   fingerprintToString = name: edid: "${name} ${edid}";
-  configToString = name: config: if config.enable then ''
-    output ${name}
-    ${optionalString (config.position != "") "pos ${config.position}"}
-    ${optionalString config.primary "primary"}
-    ${optionalString (config.dpi != null) "dpi ${toString config.dpi}"}
-    ${optionalString (config.gamma != "") "gamma ${config.gamma}"}
-    ${optionalString (config.mode != "") "mode ${config.mode}"}
-    ${optionalString (config.rate != "") "rate ${config.rate}"}
-    ${optionalString (config.rotate != null) "rotate ${config.rotate}"}
-    ${optionalString (config.scale != null) (
-      (if config.scale.method == "factor" then "scale" else "scale-from")
-      + " ${toString config.scale.x}x${toString config.scale.y}"
-    )}
-    ${optionalString (config.transform != null) (
-      "transform " + concatMapStringsSep "," toString (flatten config.transform)
-    )}
-  '' else ''
-    output ${name}
-    off
-  '';
+  configToString = name: config:
+    if config.enable then ''
+      output ${name}
+      ${optionalString (config.position != "") "pos ${config.position}"}
+      ${optionalString config.primary "primary"}
+      ${optionalString (config.dpi != null) "dpi ${toString config.dpi}"}
+      ${optionalString (config.gamma != "") "gamma ${config.gamma}"}
+      ${optionalString (config.mode != "") "mode ${config.mode}"}
+      ${optionalString (config.rate != "") "rate ${config.rate}"}
+      ${optionalString (config.rotate != null) "rotate ${config.rotate}"}
+      ${optionalString (config.scale != null)
+      ((if config.scale.method == "factor" then "scale" else "scale-from")
+        + " ${toString config.scale.x}x${toString config.scale.y}")}
+      ${optionalString (config.transform != null) ("transform "
+        + concatMapStringsSep "," toString (flatten config.transform))}
+    '' else ''
+      output ${name}
+      off
+    '';
 
-in
-
-{
+in {
   options = {
     programs.autorandr = {
       enable = mkEnableOption "Autorandr";
@@ -262,39 +271,39 @@ in
       hooks = mkOption {
         type = globalHooksModule;
         description = "Global hook scripts";
-        default = {};
+        default = { };
         example = literalExample ''
-        {
-          postswitch = {
-            "notify-i3" = "''${pkgs.i3}/bin/i3-msg restart";
-            "change-background" = readFile ./change-background.sh;
-            "change-dpi" = '''
-              case "$AUTORANDR_CURRENT_PROFILE" in
-                default)
-                  DPI=120
-                  ;;
-                home)
-                  DPI=192
-                  ;;
-                work)
-                  DPI=144
-                  ;;
-                *)
-                  echo "Unknown profle: $AUTORANDR_CURRENT_PROFILE"
-                  exit 1
-              esac
+          {
+            postswitch = {
+              "notify-i3" = "''${pkgs.i3}/bin/i3-msg restart";
+              "change-background" = readFile ./change-background.sh;
+              "change-dpi" = '''
+                case "$AUTORANDR_CURRENT_PROFILE" in
+                  default)
+                    DPI=120
+                    ;;
+                  home)
+                    DPI=192
+                    ;;
+                  work)
+                    DPI=144
+                    ;;
+                  *)
+                    echo "Unknown profle: $AUTORANDR_CURRENT_PROFILE"
+                    exit 1
+                esac
 
-              echo "Xft.dpi: $DPI" | ''${pkgs.xorg.xrdb}/bin/xrdb -merge
-            '''
-          };
-        }
+                echo "Xft.dpi: $DPI" | ''${pkgs.xorg.xrdb}/bin/xrdb -merge
+              '''
+            };
+          }
         '';
       };
 
       profiles = mkOption {
         type = types.attrsOf profileModule;
         description = "Autorandr profiles specification.";
-        default = {};
+        default = { };
         example = literalExample ''
           {
             "work" = {
@@ -323,24 +332,21 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = flatten (mapAttrsToList (
-      profile: { config, ... }: mapAttrsToList (
-        output: opts: {
-          assertion = opts.scale == null || opts.transform == null;
-          message = ''
-            Cannot use the profile output options 'scale' and 'transform' simultaneously.
-            Check configuration for: programs.autorandr.profiles.${profile}.config.${output}
-          '';
-        })
-        config
-    )
-    cfg.profiles);
+    assertions = flatten (mapAttrsToList (profile:
+      { config, ... }:
+      mapAttrsToList (output: opts: {
+        assertion = opts.scale == null || opts.transform == null;
+        message = ''
+          Cannot use the profile output options 'scale' and 'transform' simultaneously.
+          Check configuration for: programs.autorandr.profiles.${profile}.config.${output}
+        '';
+      }) config) cfg.profiles);
 
     home.packages = [ pkgs.autorandr ];
     xdg.configFile = mkMerge ([
       (mapAttrs' (hookToFile "postswitch.d") cfg.hooks.postswitch)
-      (mapAttrs' (hookToFile "preswitch.d")  cfg.hooks.preswitch)
-      (mapAttrs' (hookToFile "predetect.d")  cfg.hooks.predetect)
+      (mapAttrs' (hookToFile "preswitch.d") cfg.hooks.preswitch)
+      (mapAttrs' (hookToFile "predetect.d") cfg.hooks.predetect)
       (mkMerge (mapAttrsToList profileToFiles cfg.profiles))
     ]);
   };
diff --git a/modules/programs/bat.nix b/modules/programs/bat.nix
index 860c5e82..aa0df9ab 100644
--- a/modules/programs/bat.nix
+++ b/modules/programs/bat.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.bat;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.bat = {
@@ -16,7 +14,7 @@ in
 
     config = mkOption {
       type = types.attrsOf types.str;
-      default = {};
+      default = { };
       example = {
         theme = "TwoDark";
         pager = "less -FR";
@@ -31,10 +29,9 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.bat ];
 
-    xdg.configFile."bat/config" = mkIf (cfg.config != {}) {
-      text = concatStringsSep "\n" (
-        mapAttrsToList (n: v: ''--${n}="${v}"'') cfg.config
-      );
+    xdg.configFile."bat/config" = mkIf (cfg.config != { }) {
+      text = concatStringsSep "\n"
+        (mapAttrsToList (n: v: ''--${n}="${v}"'') cfg.config);
     };
   };
 }
diff --git a/modules/programs/beets.nix b/modules/programs/beets.nix
index efd5f8fd..1a45bbea 100644
--- a/modules/programs/beets.nix
+++ b/modules/programs/beets.nix
@@ -6,19 +6,17 @@ let
 
   cfg = config.programs.beets;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
     programs.beets = {
       enable = mkOption {
         type = types.bool;
-        default =
-          if versionAtLeast config.home.stateVersion "19.03"
-          then false
-          else cfg.settings != {};
+        default = if versionAtLeast config.home.stateVersion "19.03" then
+          false
+        else
+          cfg.settings != { };
         defaultText = "false";
         description = ''
           Whether to enable the beets music library manager. This
@@ -32,7 +30,8 @@ in
         type = types.package;
         default = pkgs.beets;
         defaultText = literalExample "pkgs.beets";
-        example = literalExample "(pkgs.beets.override { enableCheck = true; })";
+        example =
+          literalExample "(pkgs.beets.override { enableCheck = true; })";
         description = ''
           The <literal>beets</literal> package to use.
           Can be used to specify extensions.
@@ -41,7 +40,7 @@ in
 
       settings = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         description = ''
           Configuration written to
           <filename>~/.config/beets/config.yaml</filename>
@@ -54,6 +53,6 @@ in
     home.packages = [ cfg.package ];
 
     xdg.configFile."beets/config.yaml".text =
-        builtins.toJSON config.programs.beets.settings;
+      builtins.toJSON config.programs.beets.settings;
   };
 }
diff --git a/modules/programs/broot.nix b/modules/programs/broot.nix
index f6d3cd7f..eac31b56 100644
--- a/modules/programs/broot.nix
+++ b/modules/programs/broot.nix
@@ -7,29 +7,23 @@ let
   cfg = config.programs.broot;
 
   configFile = config:
-    pkgs.runCommand "conf.toml"
-      {
-         buildInputs = [ pkgs.remarshal ];
-         preferLocalBuild = true;
-         allowSubstitutes = false;
-      }
-      ''
-        remarshal -if json -of toml \
-          < ${pkgs.writeText "verbs.json" (builtins.toJSON config)} \
-          > $out
-      '';
+    pkgs.runCommand "conf.toml" {
+      buildInputs = [ pkgs.remarshal ];
+      preferLocalBuild = true;
+      allowSubstitutes = false;
+    } ''
+      remarshal -if json -of toml \
+        < ${pkgs.writeText "verbs.json" (builtins.toJSON config)} \
+        > $out
+    '';
 
   brootConf = {
     verbs =
-      mapAttrsToList
-        (name: value: value // { invocation = name; })
-        cfg.verbs;
+      mapAttrsToList (name: value: value // { invocation = name; }) cfg.verbs;
     skin = cfg.skin;
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.aheaume ];
 
   options.programs.broot = {
@@ -63,7 +57,10 @@ in
       type = with types; attrsOf (attrsOf (either bool str));
       default = {
         "p" = { execution = ":parent"; };
-        "edit" = { shortcut = "e"; execution = "$EDITOR {file}" ; };
+        "edit" = {
+          shortcut = "e";
+          execution = "$EDITOR {file}";
+        };
         "create {subpath}" = { execution = "$EDITOR {directory}/{subpath}"; };
         "view" = { execution = "less {file}"; };
       };
@@ -114,7 +111,7 @@ in
 
     skin = mkOption {
       type = types.attrsOf types.str;
-      default = {};
+      default = { };
       example = literalExample ''
         {
           status_normal_fg = "grayscale(18)";
@@ -177,38 +174,36 @@ in
     # Dummy file to prevent broot from trying to reinstall itself
     xdg.configFile."broot/launcher/installed".text = "";
 
-    programs.bash.initExtra =
-      mkIf cfg.enableBashIntegration (
-        # Using mkAfter to make it more likely to appear after other
-        # manipulations of the prompt.
-        mkAfter ''
-          # This script was automatically generated by the broot function
-          # More information can be found in https://github.com/Canop/broot
-          # This function starts broot and executes the command
-          # it produces, if any.
-          # It's needed because some shell commands, like `cd`,
-          # have no useful effect if executed in a subshell.
-          function br {
-              f=$(mktemp)
-              (
-                  set +e
-                  broot --outcmd "$f" "$@"
-                  code=$?
-                  if [ "$code" != 0 ]; then
-                      rm -f "$f"
-                      exit "$code"
-                  fi
-              )
-              code=$?
-              if [ "$code" != 0 ]; then
-                  return "$code"
-              fi
-              d=$(cat "$f")
-              rm -f "$f"
-              eval "$d"
-          }
-        ''
-      );
+    programs.bash.initExtra = mkIf cfg.enableBashIntegration (
+    # Using mkAfter to make it more likely to appear after other
+    # manipulations of the prompt.
+      mkAfter ''
+        # This script was automatically generated by the broot function
+        # More information can be found in https://github.com/Canop/broot
+        # This function starts broot and executes the command
+        # it produces, if any.
+        # It's needed because some shell commands, like `cd`,
+        # have no useful effect if executed in a subshell.
+        function br {
+            f=$(mktemp)
+            (
+                set +e
+                broot --outcmd "$f" "$@"
+                code=$?
+                if [ "$code" != 0 ]; then
+                    rm -f "$f"
+                    exit "$code"
+                fi
+            )
+            code=$?
+            if [ "$code" != 0 ]; then
+                return "$code"
+            fi
+            d=$(cat "$f")
+            rm -f "$f"
+            eval "$d"
+        }
+      '');
 
     programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
       # This script was automatically generated by the broot function
diff --git a/modules/programs/browserpass.nix b/modules/programs/browserpass.nix
index e65484fa..10a2883c 100644
--- a/modules/programs/browserpass.nix
+++ b/modules/programs/browserpass.nix
@@ -2,13 +2,7 @@
 
 with lib;
 
-let
-  browsers = [
-    "chrome"
-    "chromium"
-    "firefox"
-    "vivaldi"
-  ];
+let browsers = [ "chrome" "chromium" "firefox" "vivaldi" ];
 in {
   options = {
     programs.browserpass = {
@@ -24,58 +18,59 @@ in {
   };
 
   config = mkIf config.programs.browserpass.enable {
-    home.file =
-      foldl' (a: b: a // b) {}
-      (concatMap (x: with pkgs.stdenv;
-        if x == "chrome" then
-          let dir = if isDarwin
-            then "Library/Application Support/Google/Chrome/NativeMessagingHosts"
-            else ".config/google-chrome/NativeMessagingHosts";
-          in [
-            {
-              "${dir}/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
-              "${dir}/../policies/managed/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
-            }
-          ]
-        else if x == "chromium" then
-          let dir = if isDarwin
-            then "Library/Application Support/Chromium/NativeMessagingHosts"
-            else ".config/chromium/NativeMessagingHosts";
-          in [
-            {
-              "${dir}/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
-            }
-            {
-              "${dir}/../policies/managed/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
-            }
-          ]
-        else if x == "firefox" then
-          let dir = if isDarwin
-            then "Library/Application Support/Mozilla/NativeMessagingHosts"
-            else ".mozilla/native-messaging-hosts";
-          in [
-            {
-              "${dir}/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/hosts/firefox/com.github.browserpass.native.json";
-            }
-          ]
-        else if x == "vivaldi" then
-          let dir = if isDarwin
-            then "Library/Application Support/Vivaldi/NativeMessagingHosts"
-            else ".config/vivaldi/NativeMessagingHosts";
-          in [
-            {
-              "${dir}/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
-              "${dir}/../policies/managed/com.github.browserpass.native.json".source =
-                "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
-            }
-          ]
-        else throw "unknown browser ${x}") config.programs.browserpass.browsers
-      );
+    home.file = foldl' (a: b: a // b) { } (concatMap (x:
+      with pkgs.stdenv;
+      if x == "chrome" then
+        let
+          dir = if isDarwin then
+            "Library/Application Support/Google/Chrome/NativeMessagingHosts"
+          else
+            ".config/google-chrome/NativeMessagingHosts";
+        in [{
+          "${dir}/com.github.browserpass.native.json".source =
+            "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
+          "${dir}/../policies/managed/com.github.browserpass.native.json".source =
+            "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
+        }]
+      else if x == "chromium" then
+        let
+          dir = if isDarwin then
+            "Library/Application Support/Chromium/NativeMessagingHosts"
+          else
+            ".config/chromium/NativeMessagingHosts";
+        in [
+          {
+            "${dir}/com.github.browserpass.native.json".source =
+              "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
+          }
+          {
+            "${dir}/../policies/managed/com.github.browserpass.native.json".source =
+              "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
+          }
+        ]
+      else if x == "firefox" then
+        let
+          dir = if isDarwin then
+            "Library/Application Support/Mozilla/NativeMessagingHosts"
+          else
+            ".mozilla/native-messaging-hosts";
+        in [{
+          "${dir}/com.github.browserpass.native.json".source =
+            "${pkgs.browserpass}/lib/browserpass/hosts/firefox/com.github.browserpass.native.json";
+        }]
+      else if x == "vivaldi" then
+        let
+          dir = if isDarwin then
+            "Library/Application Support/Vivaldi/NativeMessagingHosts"
+          else
+            ".config/vivaldi/NativeMessagingHosts";
+        in [{
+          "${dir}/com.github.browserpass.native.json".source =
+            "${pkgs.browserpass}/lib/browserpass/hosts/chromium/com.github.browserpass.native.json";
+          "${dir}/../policies/managed/com.github.browserpass.native.json".source =
+            "${pkgs.browserpass}/lib/browserpass/policies/chromium/com.github.browserpass.native.json";
+        }]
+      else
+        throw "unknown browser ${x}") config.programs.browserpass.browsers);
   };
 }
diff --git a/modules/programs/chromium.nix b/modules/programs/chromium.nix
index a34fef3d..4e35c07b 100644
--- a/modules/programs/chromium.nix
+++ b/modules/programs/chromium.nix
@@ -5,46 +5,44 @@ with lib;
 let
 
   browserModule = defaultPkg: name: visible:
-    let
-      browser = (builtins.parseDrvName defaultPkg.name).name;
-    in
-      {
-        enable = mkOption {
-          inherit visible;
-          default = false;
-          example = true;
-          description = "Whether to enable ${name}.";
-          type = lib.types.bool;
-        };
-
-        package = mkOption {
-          inherit visible;
-          type = types.package;
-          default = defaultPkg;
-          defaultText = literalExample "pkgs.${browser}";
-          description = "The ${name} package to use.";
-        };
-
-        extensions = mkOption {
-          inherit visible;
-          type = types.listOf types.str;
-          default = [];
-          example = literalExample ''
-            [
-              "chlffgpmiacpedhhbkiomidkjlcfhogd" # pushbullet
-              "mbniclmhobmnbdlbpiphghaielnnpgdp" # lightshot
-              "gcbommkclmclpchllfjekcdonpmejbdp" # https everywhere
-              "cjpalhdlnbpafiamejdnhcphjbkeiagm" # ublock origin
-            ]
-          '';
-          description = ''
-            List of ${name} extensions to install.
-            To find the extension ID, check its URL on the
-            <link xlink:href="https://chrome.google.com/webstore/category/extensions">Chrome Web Store</link>.
-          '';
-        };
+    let browser = (builtins.parseDrvName defaultPkg.name).name;
+    in {
+      enable = mkOption {
+        inherit visible;
+        default = false;
+        example = true;
+        description = "Whether to enable ${name}.";
+        type = lib.types.bool;
       };
 
+      package = mkOption {
+        inherit visible;
+        type = types.package;
+        default = defaultPkg;
+        defaultText = literalExample "pkgs.${browser}";
+        description = "The ${name} package to use.";
+      };
+
+      extensions = mkOption {
+        inherit visible;
+        type = types.listOf types.str;
+        default = [ ];
+        example = literalExample ''
+          [
+            "chlffgpmiacpedhhbkiomidkjlcfhogd" # pushbullet
+            "mbniclmhobmnbdlbpiphghaielnnpgdp" # lightshot
+            "gcbommkclmclpchllfjekcdonpmejbdp" # https everywhere
+            "cjpalhdlnbpafiamejdnhcphjbkeiagm" # ublock origin
+          ]
+        '';
+        description = ''
+          List of ${name} extensions to install.
+          To find the extension ID, check its URL on the
+          <link xlink:href="https://chrome.google.com/webstore/category/extensions">Chrome Web Store</link>.
+        '';
+      };
+    };
+
   browserConfig = cfg:
     let
 
@@ -57,31 +55,32 @@ let
         google-chrome-dev = "Google/Chrome Dev";
       };
 
-      configDir = if pkgs.stdenv.isDarwin
-        then "Library/Application Support/${getAttr browser darwinDirs}"
-        else "${config.xdg.configHome}/${browser}";
+      configDir = if pkgs.stdenv.isDarwin then
+        "Library/Application Support/${getAttr browser darwinDirs}"
+      else
+        "${config.xdg.configHome}/${browser}";
 
       extensionJson = ext: {
         name = "${configDir}/External Extensions/${ext}.json";
         value.text = builtins.toJSON {
-          external_update_url = "https://clients2.google.com/service/update2/crx";
+          external_update_url =
+            "https://clients2.google.com/service/update2/crx";
         };
       };
 
-    in
-      mkIf cfg.enable {
-        home.packages = [ cfg.package ];
-        home.file = listToAttrs (map extensionJson cfg.extensions);
-      };
+    in mkIf cfg.enable {
+      home.packages = [ cfg.package ];
+      home.file = listToAttrs (map extensionJson cfg.extensions);
+    };
 
-in
-
-{
+in {
   options.programs = {
     chromium = browserModule pkgs.chromium "Chromium" true;
     google-chrome = browserModule pkgs.google-chrome "Google Chrome" false;
-    google-chrome-beta = browserModule pkgs.google-chrome-beta "Google Chrome Beta" false;
-    google-chrome-dev = browserModule pkgs.google-chrome-dev "Google Chrome Dev" false;
+    google-chrome-beta =
+      browserModule pkgs.google-chrome-beta "Google Chrome Beta" false;
+    google-chrome-dev =
+      browserModule pkgs.google-chrome-dev "Google Chrome Dev" false;
   };
 
   config = mkMerge [
diff --git a/modules/programs/command-not-found/command-not-found.nix b/modules/programs/command-not-found/command-not-found.nix
index 0053fe36..b79fde0f 100644
--- a/modules/programs/command-not-found/command-not-found.nix
+++ b/modules/programs/command-not-found/command-not-found.nix
@@ -13,8 +13,11 @@ let
     isExecutable = true;
     inherit (pkgs) perl;
     inherit (cfg) dbPath;
-    perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ")
-      [ pkgs.perlPackages.DBI pkgs.perlPackages.DBDSQLite pkgs.perlPackages.StringShellQuote ]);
+    perlFlags = concatStrings (map (path: "-I ${path}/lib/perl5/site_perl ") [
+      pkgs.perlPackages.DBI
+      pkgs.perlPackages.DBDSQLite
+      pkgs.perlPackages.StringShellQuote
+    ]);
   };
 
   shInit = commandNotFoundHandlerName: ''
@@ -31,14 +34,13 @@ let
     }
   '';
 
-in
-
-{
+in {
   options.programs.command-not-found = {
     enable = mkEnableOption "command-not-found hook for interactive shell";
 
     dbPath = mkOption {
-      default = "/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite" ;
+      default =
+        "/nix/var/nix/profiles/per-user/root/channels/nixos/programs.sqlite";
       description = ''
         Absolute path to <filename>programs.sqlite</filename>. By
         default this file will be provided by your channel
diff --git a/modules/programs/direnv.nix b/modules/programs/direnv.nix
index e4c17239..beb40a96 100644
--- a/modules/programs/direnv.nix
+++ b/modules/programs/direnv.nix
@@ -6,21 +6,17 @@ let
 
   cfg = config.programs.direnv;
   configFile = config:
-    pkgs.runCommand "config.toml"
-      {
-         buildInputs = [ pkgs.remarshal ];
-         preferLocalBuild = true;
-         allowSubstitutes = false;
-      }
-      ''
-        remarshal -if json -of toml \
-          < ${pkgs.writeText "config.json" (builtins.toJSON config)} \
-          > $out
-      '';
+    pkgs.runCommand "config.toml" {
+      buildInputs = [ pkgs.remarshal ];
+      preferLocalBuild = true;
+      allowSubstitutes = false;
+    } ''
+      remarshal -if json -of toml \
+        < ${pkgs.writeText "config.json" (builtins.toJSON config)} \
+        > $out
+    '';
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options.programs.direnv = {
@@ -28,7 +24,7 @@ in
 
     config = mkOption {
       type = types.attrs;
-      default = {};
+      default = { };
       description = ''
         Configuration written to
         <filename>~/.config/direnv/config.toml</filename>.
@@ -79,22 +75,18 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.direnv ];
 
-    xdg.configFile."direnv/config.toml" = mkIf (cfg.config != {}) {
-      source = configFile cfg.config;
-    };
+    xdg.configFile."direnv/config.toml" =
+      mkIf (cfg.config != { }) { source = configFile cfg.config; };
 
-    xdg.configFile."direnv/direnvrc" = mkIf (cfg.stdlib != "") {
-      text = cfg.stdlib;
-    };
+    xdg.configFile."direnv/direnvrc" =
+      mkIf (cfg.stdlib != "") { text = cfg.stdlib; };
 
-    programs.bash.initExtra =
-      mkIf cfg.enableBashIntegration (
-        # Using mkAfter to make it more likely to appear after other
-        # manipulations of the prompt.
-        mkAfter ''
-          eval "$(${pkgs.direnv}/bin/direnv hook bash)"
-        ''
-      );
+    programs.bash.initExtra = mkIf cfg.enableBashIntegration (
+    # Using mkAfter to make it more likely to appear after other
+    # manipulations of the prompt.
+      mkAfter ''
+        eval "$(${pkgs.direnv}/bin/direnv hook bash)"
+      '');
 
     programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
       eval "$(${pkgs.direnv}/bin/direnv hook zsh)"
diff --git a/modules/programs/eclipse.nix b/modules/programs/eclipse.nix
index 4a432c9f..8ce605b1 100644
--- a/modules/programs/eclipse.nix
+++ b/modules/programs/eclipse.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.eclipse;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -27,13 +25,13 @@ in
 
       jvmArgs = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         description = "JVM arguments to use for the Eclipse process.";
       };
 
       plugins = mkOption {
         type = types.listOf types.package;
-        default = [];
+        default = [ ];
         description = "Plugins that should be added to Eclipse.";
       };
     };
@@ -43,10 +41,8 @@ in
     home.packages = [
       (pkgs.eclipses.eclipseWithPlugins {
         eclipse = pkgs.eclipses.eclipse-platform;
-        jvmArgs =
-          cfg.jvmArgs
-          ++ optional cfg.enableLombok
-              "-javaagent:${pkgs.lombok}/share/java/lombok.jar";
+        jvmArgs = cfg.jvmArgs ++ optional cfg.enableLombok
+          "-javaagent:${pkgs.lombok}/share/java/lombok.jar";
         plugins = cfg.plugins;
       })
     ];
diff --git a/modules/programs/feh.nix b/modules/programs/feh.nix
index 1b14e71f..b1b33697 100644
--- a/modules/programs/feh.nix
+++ b/modules/programs/feh.nix
@@ -9,31 +9,35 @@ let
   disableBinding = func: key: func;
   enableBinding = func: key: "${func} ${toString key}";
 
-in
-
-{
+in {
   options.programs.feh = {
     enable = mkEnableOption "feh - a fast and light image viewer";
 
     buttons = mkOption {
-      default = {};
+      default = { };
       type = with types; attrsOf (nullOr (either str int));
-      example = { zoom_in = 4; zoom_out = "C-4"; };
+      example = {
+        zoom_in = 4;
+        zoom_out = "C-4";
+      };
       description = ''
         Override feh's default mouse button mapping. If you want to disable an
-	action, set its value to null.
+        action, set its value to null.
         See <link xlink:href="https://man.finalrewind.org/1/feh/#x425554544f4e53"/> for
         default bindings and available commands.
       '';
     };
 
     keybindings = mkOption {
-      default = {};
+      default = { };
       type = types.attrsOf (types.nullOr types.str);
-      example = { zoom_in = "plus"; zoom_out = "minus"; };
+      example = {
+        zoom_in = "plus";
+        zoom_out = "minus";
+      };
       description = ''
         Override feh's default keybindings. If you want to disable a keybinding
-	set its value to null.
+        set its value to null.
         See <link xlink:href="https://man.finalrewind.org/1/feh/#x4b455953"/> for
         default bindings and available commands.
       '';
@@ -41,23 +45,26 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion = ((filterAttrs (n: v: v == "") cfg.keybindings) == {});
-	message = "To disable a keybinding, use `null` instead of an empty string.";
-      }
-    ];
+    assertions = [{
+      assertion = ((filterAttrs (n: v: v == "") cfg.keybindings) == { });
+      message =
+        "To disable a keybinding, use `null` instead of an empty string.";
+    }];
 
     home.packages = [ pkgs.feh ];
 
     xdg.configFile."feh/buttons".text = ''
-      ${concatStringsSep "\n" (mapAttrsToList disableBinding (filterAttrs (n: v: v == null) cfg.buttons))}
-      ${concatStringsSep "\n" (mapAttrsToList enableBinding (filterAttrs (n: v: v != null) cfg.buttons))}
+      ${concatStringsSep "\n" (mapAttrsToList disableBinding
+        (filterAttrs (n: v: v == null) cfg.buttons))}
+      ${concatStringsSep "\n" (mapAttrsToList enableBinding
+        (filterAttrs (n: v: v != null) cfg.buttons))}
     '';
 
     xdg.configFile."feh/keys".text = ''
-      ${concatStringsSep "\n" (mapAttrsToList disableBinding (filterAttrs (n: v: v == null) cfg.keybindings))}
-      ${concatStringsSep "\n" (mapAttrsToList enableBinding (filterAttrs (n: v: v != null) cfg.keybindings))}
+      ${concatStringsSep "\n" (mapAttrsToList disableBinding
+        (filterAttrs (n: v: v == null) cfg.keybindings))}
+      ${concatStringsSep "\n" (mapAttrsToList enableBinding
+        (filterAttrs (n: v: v != null) cfg.keybindings))}
     '';
   };
 }
diff --git a/modules/programs/fzf.nix b/modules/programs/fzf.nix
index 832c0bfa..36eb3a1c 100644
--- a/modules/programs/fzf.nix
+++ b/modules/programs/fzf.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.fzf;
 
-in
-
-{
+in {
   options.programs.fzf = {
     enable = mkEnableOption "fzf - a command-line fuzzy finder";
 
@@ -24,7 +22,7 @@ in
 
     defaultOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--height 40%" "--border" ];
       description = ''
         Extra command line options given to fzf by default.
@@ -43,7 +41,7 @@ in
 
     fileWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'head {}'" ];
       description = ''
         Command line options for the CTRL-T keybinding.
@@ -53,7 +51,7 @@ in
     changeDirWidgetCommand = mkOption {
       type = types.nullOr types.str;
       default = null;
-      example = "fd --type d" ;
+      example = "fd --type d";
       description = ''
         The command that gets executed as the source for fzf for the
         ALT-C keybinding.
@@ -62,7 +60,7 @@ in
 
     changeDirWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'tree -C {} | head -200'" ];
       description = ''
         Command line options for the ALT-C keybinding.
@@ -80,7 +78,7 @@ in
 
     historyWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--sort" "--exact" ];
       description = ''
         Command line options for the CTRL-R keybinding.
@@ -107,19 +105,17 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.fzf ];
 
-    home.sessionVariables =
-      mapAttrs (n: v: toString v) (
-        filterAttrs (n: v: v != [] && v != null) {
-          FZF_ALT_C_COMMAND = cfg.changeDirWidgetCommand;
-          FZF_ALT_C_OPTS = cfg.changeDirWidgetOptions;
-          FZF_CTRL_R_COMMAND = cfg.historyWidgetCommand;
-          FZF_CTRL_R_OPTS = cfg.historyWidgetOptions;
-          FZF_CTRL_T_COMMAND = cfg.fileWidgetCommand;
-          FZF_CTRL_T_OPTS = cfg.fileWidgetOptions;
-          FZF_DEFAULT_COMMAND = cfg.defaultCommand;
-          FZF_DEFAULT_OPTS = cfg.defaultOptions;
-        }
-      );
+    home.sessionVariables = mapAttrs (n: v: toString v)
+      (filterAttrs (n: v: v != [ ] && v != null) {
+        FZF_ALT_C_COMMAND = cfg.changeDirWidgetCommand;
+        FZF_ALT_C_OPTS = cfg.changeDirWidgetOptions;
+        FZF_CTRL_R_COMMAND = cfg.historyWidgetCommand;
+        FZF_CTRL_R_OPTS = cfg.historyWidgetOptions;
+        FZF_CTRL_T_COMMAND = cfg.fileWidgetCommand;
+        FZF_CTRL_T_OPTS = cfg.fileWidgetOptions;
+        FZF_DEFAULT_COMMAND = cfg.defaultCommand;
+        FZF_DEFAULT_OPTS = cfg.defaultOptions;
+      });
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
       if [[ :$SHELLOPTS: =~ :(vi|emacs): ]]; then
diff --git a/modules/programs/getmail-accounts.nix b/modules/programs/getmail-accounts.nix
index 32e1312d..24eb4fb5 100644
--- a/modules/programs/getmail-accounts.nix
+++ b/modules/programs/getmail-accounts.nix
@@ -17,8 +17,8 @@ with lib;
 
     mailboxes = mkOption {
       type = types.nonEmptyListOf types.str;
-      default = [];
-      example = ["INBOX" "INBOX.spam"];
+      default = [ ];
+      example = [ "INBOX" "INBOX.spam" ];
       description = ''
         A non-empty list of mailboxes. To download all mail you can
         use the <literal>ALL</literal> mailbox.
diff --git a/modules/programs/getmail.nix b/modules/programs/getmail.nix
index 3de898ef..2c3919dc 100644
--- a/modules/programs/getmail.nix
+++ b/modules/programs/getmail.nix
@@ -4,27 +4,26 @@ with lib;
 
 let
 
-  accounts = filter (a: a.getmail.enable)
-    (attrValues config.accounts.email.accounts);
+  accounts =
+    filter (a: a.getmail.enable) (attrValues config.accounts.email.accounts);
 
-  renderAccountConfig = account: with account;
+  renderAccountConfig = account:
+    with account;
     let
       passCmd = concatMapStringsSep ", " (x: "'${x}'") passwordCommand;
-      renderedMailboxes = concatMapStringsSep ", " (x: "'${x}'") getmail.mailboxes;
-      retrieverType = if imap.tls.enable
-        then "SimpleIMAPSSLRetriever"
-        else "SimpleIMAPRetriever";
-      destination = if getmail.destinationCommand != null
-        then
-        {
-          destinationType = "MDA_external";
-          destinationPath = getmail.destinationCommand;
-        }
-        else
-        {
-          destinationType = "Maildir";
-          destinationPath = "${maildir.absPath}/";
-        };
+      renderedMailboxes =
+        concatMapStringsSep ", " (x: "'${x}'") getmail.mailboxes;
+      retrieverType = if imap.tls.enable then
+        "SimpleIMAPSSLRetriever"
+      else
+        "SimpleIMAPRetriever";
+      destination = if getmail.destinationCommand != null then {
+        destinationType = "MDA_external";
+        destinationPath = getmail.destinationCommand;
+      } else {
+        destinationType = "Maildir";
+        destinationPath = "${maildir.absPath}/";
+      };
       renderGetmailBoolean = v: if v then "true" else "false";
     in ''
       # Generated by Home-Manager.
@@ -46,15 +45,13 @@ let
     '';
   getmailEnabled = length (filter (a: a.getmail.enable) accounts) > 0;
   # Watch out! This is used by the getmail.service too!
-  renderConfigFilepath = a: ".getmail/getmail${if a.primary then "rc" else a.name}";
+  renderConfigFilepath = a:
+    ".getmail/getmail${if a.primary then "rc" else a.name}";
 
-in
-
-{
+in {
   config = mkIf getmailEnabled {
-    home.file =
-      foldl' (a: b: a // b) {}
+    home.file = foldl' (a: b: a // b) { }
       (map (a: { "${renderConfigFilepath a}".text = renderAccountConfig a; })
-      accounts);
+        accounts);
   };
 }
diff --git a/modules/programs/git.nix b/modules/programs/git.nix
index 913f86f7..a56aa10d 100644
--- a/modules/programs/git.nix
+++ b/modules/programs/git.nix
@@ -14,36 +14,31 @@ let
       section = head sections;
       subsections = tail sections;
       subsection = concatStringsSep "." subsections;
-    in
-      if containsQuote || subsections == []
-      then name
-      else "${section} \"${subsection}\"";
+    in if containsQuote || subsections == [ ] then
+      name
+    else
+      ''${section} "${subsection}"'';
 
   # generation for multiple ini values
   mkKeyValue = k: v:
-    let
-      mkKeyValue = generators.mkKeyValueDefault {} "=" k;
-    in
-      concatStringsSep "\n" (map mkKeyValue (toList v));
+    let mkKeyValue = generators.mkKeyValueDefault { } "=" k;
+    in concatStringsSep "\n" (map mkKeyValue (toList v));
 
   # converts { a.b.c = 5; } to { "a.b".c = 5; } for toINI
-  gitFlattenAttrs =
-    let
-      recurse = path: value:
-        if isAttrs value then
-          mapAttrsToList (name: value: recurse ([name] ++ path) value) value
-        else if length path > 1 then
-          { ${concatStringsSep "." (reverseList (tail path))}.${head path} = value; }
-        else
-          { ${head path} = value; };
-    in
-      attrs: foldl recursiveUpdate {} (flatten (recurse [] attrs));
+  gitFlattenAttrs = let
+    recurse = path: value:
+      if isAttrs value then
+        mapAttrsToList (name: value: recurse ([ name ] ++ path) value) value
+      else if length path > 1 then {
+        ${concatStringsSep "." (reverseList (tail path))}.${head path} = value;
+      } else {
+        ${head path} = value;
+      };
+  in attrs: foldl recursiveUpdate { } (flatten (recurse [ ] attrs));
 
   gitToIni = attrs:
-    let
-      toIni = generators.toINI { inherit mkKeyValue mkSectionName; };
-    in
-      toIni (gitFlattenAttrs attrs);
+    let toIni = generators.toINI { inherit mkKeyValue mkSectionName; };
+    in toIni (gitFlattenAttrs attrs);
 
   gitIniType = with types;
     let
@@ -51,8 +46,7 @@ let
       multipleType = either primitiveType (listOf primitiveType);
       sectionType = attrsOf multipleType;
       supersectionType = attrsOf (either multipleType sectionType);
-    in
-      attrsOf supersectionType;
+    in attrsOf supersectionType;
 
   signModule = types.submodule {
     options = {
@@ -98,21 +92,18 @@ let
 
       contents = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         description = ''
           Configuration to include. If empty then a path must be given.
         '';
       };
     };
 
-    config.path = mkIf (config.contents != {}) (
-      mkDefault (pkgs.writeText "contents" (gitToIni config.contents))
-    );
+    config.path = mkIf (config.contents != { })
+      (mkDefault (pkgs.writeText "contents" (gitToIni config.contents)));
   });
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -143,7 +134,7 @@ in
 
       aliases = mkOption {
         type = types.attrsOf types.str;
-        default = {};
+        default = { };
         example = { co = "checkout"; };
         description = "Git aliases to define.";
       };
@@ -156,7 +147,7 @@ in
 
       extraConfig = mkOption {
         type = types.either types.lines gitIniType;
-        default = {};
+        default = { };
         example = {
           core = { whitespace = "trailing-space,space-before-tab"; };
           url."ssh://git@host".insteadOf = "otherhost";
@@ -174,21 +165,21 @@ in
 
       ignores = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "*~" "*.swp" ];
         description = "List of paths that should be globally ignored.";
       };
 
       attributes = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "*.pdf diff=pdf" ];
         description = "List of defining attributes set globally.";
       };
 
       includes = mkOption {
         type = types.listOf includeModule;
-        default = [];
+        default = [ ];
         example = literalExample ''
           [
             { path = "~/path/to/config.inc"; }
@@ -217,109 +208,96 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
-    mkMerge [
-      {
-        home.packages = [ cfg.package ];
+  config = mkIf cfg.enable (mkMerge [
+    {
+      home.packages = [ cfg.package ];
 
-        programs.git.iniContent.user = {
-          name = mkIf (cfg.userName != null) cfg.userName;
-          email = mkIf (cfg.userEmail != null) cfg.userEmail;
+      programs.git.iniContent.user = {
+        name = mkIf (cfg.userName != null) cfg.userName;
+        email = mkIf (cfg.userEmail != null) cfg.userEmail;
+      };
+
+      xdg.configFile = {
+        "git/config".text = gitToIni cfg.iniContent;
+
+        "git/ignore" = mkIf (cfg.ignores != [ ]) {
+          text = concatStringsSep "\n" cfg.ignores + "\n";
         };
 
-        xdg.configFile = {
-          "git/config".text = gitToIni cfg.iniContent;
+        "git/attributes" = mkIf (cfg.attributes != [ ]) {
+          text = concatStringsSep "\n" cfg.attributes + "\n";
+        };
+      };
+    }
 
-          "git/ignore" = mkIf (cfg.ignores != []) {
-            text = concatStringsSep "\n" cfg.ignores + "\n";
+    {
+      programs.git.iniContent = let
+        hasSmtp = name: account: account.smtp != null;
+
+        genIdentity = name: account:
+          with account;
+          nameValuePair "sendemail.${name}" ({
+            smtpEncryption = if smtp.tls.enable then "tls" else "";
+            smtpServer = smtp.host;
+            smtpUser = userName;
+            from = address;
+          } // optionalAttrs (smtp.port != null) {
+            smtpServerPort = smtp.port;
+          });
+      in mapAttrs' genIdentity
+      (filterAttrs hasSmtp config.accounts.email.accounts);
+    }
+
+    (mkIf (cfg.signing != null) {
+      programs.git.iniContent = {
+        user.signingKey = cfg.signing.key;
+        commit.gpgSign = cfg.signing.signByDefault;
+        gpg.program = cfg.signing.gpgPath;
+      };
+    })
+
+    (mkIf (cfg.aliases != { }) { programs.git.iniContent.alias = cfg.aliases; })
+
+    (mkIf (lib.isAttrs cfg.extraConfig) {
+      programs.git.iniContent = cfg.extraConfig;
+    })
+
+    (mkIf (lib.isString cfg.extraConfig) {
+      warnings = [''
+        Using programs.git.extraConfig as a string option is
+        deprecated and will be removed in the future. Please
+        change to using it as an attribute set instead.
+      ''];
+
+      xdg.configFile."git/config".text = cfg.extraConfig;
+    })
+
+    (mkIf (cfg.includes != [ ]) {
+      xdg.configFile."git/config".text = let
+        include = i:
+          with i;
+          if condition != null then {
+            includeIf.${condition}.path = "${path}";
+          } else {
+            include.path = "${path}";
           };
+      in mkAfter
+      (concatStringsSep "\n" (map gitToIni (map include cfg.includes)));
+    })
 
-          "git/attributes" = mkIf (cfg.attributes != []) {
-            text = concatStringsSep "\n" cfg.attributes + "\n";
-          };
+    (mkIf cfg.lfs.enable {
+      home.packages = [ pkgs.git-lfs ];
+
+      programs.git.iniContent.filter.lfs =
+        let skipArg = optional cfg.lfs.skipSmudge "--skip";
+        in {
+          clean = "git-lfs clean -- %f";
+          process =
+            concatStringsSep " " ([ "git-lfs" "filter-process" ] ++ skipArg);
+          required = true;
+          smudge = concatStringsSep " "
+            ([ "git-lfs" "smudge" ] ++ skipArg ++ [ "--" "%f" ]);
         };
-      }
-
-      {
-        programs.git.iniContent =
-          let
-            hasSmtp = name: account: account.smtp != null;
-
-            genIdentity = name: account: with account;
-              nameValuePair "sendemail.${name}" ({
-                smtpEncryption = if smtp.tls.enable then "tls" else "";
-                smtpServer = smtp.host;
-                smtpUser = userName;
-                from = address;
-              }
-              // optionalAttrs (smtp.port != null) {
-                smtpServerPort = smtp.port;
-              });
-          in
-            mapAttrs' genIdentity
-              (filterAttrs hasSmtp config.accounts.email.accounts);
-      }
-
-      (mkIf (cfg.signing != null) {
-        programs.git.iniContent = {
-          user.signingKey = cfg.signing.key;
-          commit.gpgSign = cfg.signing.signByDefault;
-          gpg.program = cfg.signing.gpgPath;
-        };
-      })
-
-      (mkIf (cfg.aliases != {}) {
-        programs.git.iniContent.alias = cfg.aliases;
-      })
-
-      (mkIf (lib.isAttrs cfg.extraConfig) {
-        programs.git.iniContent = cfg.extraConfig;
-      })
-
-      (mkIf (lib.isString cfg.extraConfig) {
-        warnings = [
-          ''
-            Using programs.git.extraConfig as a string option is
-            deprecated and will be removed in the future. Please
-            change to using it as an attribute set instead.
-          ''
-        ];
-
-        xdg.configFile."git/config".text = cfg.extraConfig;
-      })
-
-      (mkIf (cfg.includes != []) {
-        xdg.configFile."git/config".text =
-          let
-            include = i: with i;
-              if condition != null
-              then { includeIf.${condition}.path = "${path}"; }
-              else { include.path = "${path}"; };
-          in
-            mkAfter
-            (concatStringsSep "\n"
-            (map gitToIni
-            (map include cfg.includes)));
-      })
-
-      (mkIf cfg.lfs.enable {
-        home.packages = [ pkgs.git-lfs ];
-
-        programs.git.iniContent.filter.lfs =
-          let
-            skipArg = optional cfg.lfs.skipSmudge "--skip";
-          in
-            {
-              clean = "git-lfs clean -- %f";
-              process = concatStringsSep " " (
-                [ "git-lfs" "filter-process" ] ++ skipArg
-              );
-              required = true;
-              smudge = concatStringsSep " " (
-                [ "git-lfs" "smudge" ] ++ skipArg ++ [ "--" "%f" ]
-              );
-            };
-      })
-    ]
-  );
+    })
+  ]);
 }
diff --git a/modules/programs/gnome-terminal.nix b/modules/programs/gnome-terminal.nix
index 9a443644..570a1fc7 100644
--- a/modules/programs/gnome-terminal.nix
+++ b/modules/programs/gnome-terminal.nix
@@ -11,125 +11,118 @@ let
     . ${pkgs.gnome3.vte}/etc/profile.d/vte.sh
   '';
 
-  backForeSubModule = types.submodule (
-    { ... }: {
-      options = {
-        foreground = mkOption {
-          type = types.str;
-          description = "The foreground color.";
-        };
-
-        background = mkOption {
-          type = types.str;
-          description = "The background color.";
-        };
+  backForeSubModule = types.submodule ({ ... }: {
+    options = {
+      foreground = mkOption {
+        type = types.str;
+        description = "The foreground color.";
       };
-    }
-  );
 
-  profileColorsSubModule = types.submodule (
-    { ... }: {
-      options = {
-        foregroundColor = mkOption {
-          type = types.str;
-          description = "The foreground color.";
-        };
-
-        backgroundColor = mkOption {
-          type = types.str;
-          description = "The background color.";
-        };
-
-        boldColor = mkOption {
-          default = null;
-          type = types.nullOr types.str;
-          description = "The bold color, null to use same as foreground.";
-        };
-
-        palette = mkOption {
-          type = types.listOf types.str;
-          description = "The terminal palette.";
-        };
-
-        cursor = mkOption {
-          default = null;
-          type = types.nullOr backForeSubModule;
-          description = "The color for the terminal cursor.";
-        };
-
-        highlight = mkOption {
-          default = null;
-          type = types.nullOr backForeSubModule;
-          description = "The colors for the terminal’s highlighted area.";
-        };
+      background = mkOption {
+        type = types.str;
+        description = "The background color.";
       };
-    }
-  );
+    };
+  });
 
-  profileSubModule = types.submodule (
-    { name, config, ... }: {
-      options = {
-        default = mkOption {
-          default = false;
-          type = types.bool;
-          description = "Whether this should be the default profile.";
-        };
-
-        visibleName = mkOption {
-          type = types.str;
-          description = "The profile name.";
-        };
-
-        colors = mkOption {
-          default = null;
-          type = types.nullOr profileColorsSubModule;
-          description = "The terminal colors, null to use system default.";
-        };
-
-        cursorShape = mkOption {
-          default = "block";
-          type = types.enum [ "block" "ibeam" "underline" ];
-          description = "The cursor shape.";
-        };
-
-        font = mkOption {
-          default = null;
-          type = types.nullOr types.str;
-          description = "The font name, null to use system default.";
-        };
-
-        allowBold = mkOption {
-          default = null;
-          type = types.nullOr types.bool;
-          description = ''
-            If <literal>true</literal>, allow applications in the
-            terminal to make text boldface.
-          '';
-        };
-
-        scrollOnOutput = mkOption {
-          default = true;
-          type = types.bool;
-          description = "Whether to scroll when output is written.";
-        };
-
-        showScrollbar = mkOption {
-          default = true;
-          type = types.bool;
-          description = "Whether the scroll bar should be visible.";
-        };
-
-        scrollbackLines = mkOption {
-          default = 10000;
-          type = types.nullOr types.int;
-          description =
-            ''
-              The number of scrollback lines to keep, null for infinite.
-            '';
-        };
+  profileColorsSubModule = types.submodule ({ ... }: {
+    options = {
+      foregroundColor = mkOption {
+        type = types.str;
+        description = "The foreground color.";
       };
-    }
-  );
+
+      backgroundColor = mkOption {
+        type = types.str;
+        description = "The background color.";
+      };
+
+      boldColor = mkOption {
+        default = null;
+        type = types.nullOr types.str;
+        description = "The bold color, null to use same as foreground.";
+      };
+
+      palette = mkOption {
+        type = types.listOf types.str;
+        description = "The terminal palette.";
+      };
+
+      cursor = mkOption {
+        default = null;
+        type = types.nullOr backForeSubModule;
+        description = "The color for the terminal cursor.";
+      };
+
+      highlight = mkOption {
+        default = null;
+        type = types.nullOr backForeSubModule;
+        description = "The colors for the terminal’s highlighted area.";
+      };
+    };
+  });
+
+  profileSubModule = types.submodule ({ name, config, ... }: {
+    options = {
+      default = mkOption {
+        default = false;
+        type = types.bool;
+        description = "Whether this should be the default profile.";
+      };
+
+      visibleName = mkOption {
+        type = types.str;
+        description = "The profile name.";
+      };
+
+      colors = mkOption {
+        default = null;
+        type = types.nullOr profileColorsSubModule;
+        description = "The terminal colors, null to use system default.";
+      };
+
+      cursorShape = mkOption {
+        default = "block";
+        type = types.enum [ "block" "ibeam" "underline" ];
+        description = "The cursor shape.";
+      };
+
+      font = mkOption {
+        default = null;
+        type = types.nullOr types.str;
+        description = "The font name, null to use system default.";
+      };
+
+      allowBold = mkOption {
+        default = null;
+        type = types.nullOr types.bool;
+        description = ''
+          If <literal>true</literal>, allow applications in the
+          terminal to make text boldface.
+        '';
+      };
+
+      scrollOnOutput = mkOption {
+        default = true;
+        type = types.bool;
+        description = "Whether to scroll when output is written.";
+      };
+
+      showScrollbar = mkOption {
+        default = true;
+        type = types.bool;
+        description = "Whether the scroll bar should be visible.";
+      };
+
+      scrollbackLines = mkOption {
+        default = 10000;
+        type = types.nullOr types.int;
+        description = ''
+          The number of scrollback lines to keep, null for infinite.
+        '';
+      };
+    };
+  });
 
   buildProfileSet = pcfg:
     {
@@ -137,56 +130,41 @@ let
       scrollbar-policy = if pcfg.showScrollbar then "always" else "never";
       scrollback-lines = pcfg.scrollbackLines;
       cursor-shape = pcfg.cursorShape;
-    }
-    // (
-      if (pcfg.font == null)
-      then { use-system-font = true; }
-      else { use-system-font = false; font = pcfg.font; }
-    ) // (
-      if (pcfg.colors == null)
-      then { use-theme-colors = true; }
-      else (
-        {
-          use-theme-colors = false;
-          foreground-color = pcfg.colors.foregroundColor;
-          background-color = pcfg.colors.backgroundColor;
-          palette = pcfg.colors.palette;
-        }
-        // optionalAttrs (pcfg.allowBold != null) {
-          allow-bold = pcfg.allowBold;
-        }
-        // (
-          if (pcfg.colors.boldColor == null)
-          then { bold-color-same-as-fg = true; }
-          else {
-            bold-color-same-as-fg = false;
-            bold-color = pcfg.colors.boldColor;
-          }
-        )
-        // (
-          if (pcfg.colors.cursor != null)
-          then {
-            cursor-colors-set = true;
-            cursor-foreground-color = pcfg.colors.cursor.foreground;
-            cursor-background-color = pcfg.colors.cursor.background;
-          }
-          else { cursor-colors-set = false; }
-        )
-        // (
-          if (pcfg.colors.highlight != null)
-          then {
-            highlight-colors-set = true;
-            highlight-foreground-color = pcfg.colors.highlight.foreground;
-            highlight-background-color = pcfg.colors.highlight.background;
-          }
-          else { highlight-colors-set = false; }
-        )
-      )
-    );
+    } // (if (pcfg.font == null) then {
+      use-system-font = true;
+    } else {
+      use-system-font = false;
+      font = pcfg.font;
+    }) // (if (pcfg.colors == null) then {
+      use-theme-colors = true;
+    } else
+      ({
+        use-theme-colors = false;
+        foreground-color = pcfg.colors.foregroundColor;
+        background-color = pcfg.colors.backgroundColor;
+        palette = pcfg.colors.palette;
+      } // optionalAttrs (pcfg.allowBold != null) {
+        allow-bold = pcfg.allowBold;
+      } // (if (pcfg.colors.boldColor == null) then {
+        bold-color-same-as-fg = true;
+      } else {
+        bold-color-same-as-fg = false;
+        bold-color = pcfg.colors.boldColor;
+      }) // (if (pcfg.colors.cursor != null) then {
+        cursor-colors-set = true;
+        cursor-foreground-color = pcfg.colors.cursor.foreground;
+        cursor-background-color = pcfg.colors.cursor.background;
+      } else {
+        cursor-colors-set = false;
+      }) // (if (pcfg.colors.highlight != null) then {
+        highlight-colors-set = true;
+        highlight-foreground-color = pcfg.colors.highlight.foreground;
+        highlight-background-color = pcfg.colors.highlight.background;
+      } else {
+        highlight-colors-set = false;
+      })));
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -206,7 +184,7 @@ in
       };
 
       profile = mkOption {
-        default = {};
+        default = { };
         type = types.attrsOf profileSubModule;
         description = "A set of Gnome Terminal profiles.";
       };
@@ -216,25 +194,21 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.gnome3.gnome_terminal ];
 
-    dconf.settings =
-      let
-        dconfPath = "org/gnome/terminal/legacy";
-      in
-        {
-          "${dconfPath}" = {
-            default-show-menubar = cfg.showMenubar;
-            theme-variant = cfg.themeVariant;
-            schema-version = 3;
-          };
+    dconf.settings = let dconfPath = "org/gnome/terminal/legacy";
+    in {
+      "${dconfPath}" = {
+        default-show-menubar = cfg.showMenubar;
+        theme-variant = cfg.themeVariant;
+        schema-version = 3;
+      };
 
-          "${dconfPath}/profiles:" = {
-            default = head (attrNames (filterAttrs (n: v: v.default) cfg.profile));
-            list = attrNames cfg.profile;
-          };
-        }
-        // mapAttrs' (n: v:
-          nameValuePair ("${dconfPath}/profiles:/:${n}") (buildProfileSet v)
-        ) cfg.profile;
+      "${dconfPath}/profiles:" = {
+        default = head (attrNames (filterAttrs (n: v: v.default) cfg.profile));
+        list = attrNames cfg.profile;
+      };
+    } // mapAttrs'
+    (n: v: nameValuePair ("${dconfPath}/profiles:/:${n}") (buildProfileSet v))
+    cfg.profile;
 
     programs.bash.initExtra = mkBefore vteInitStr;
     programs.zsh.initExtra = vteInitStr;
diff --git a/modules/programs/go.nix b/modules/programs/go.nix
index 39788e04..983769d2 100644
--- a/modules/programs/go.nix
+++ b/modules/programs/go.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.go;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rvolosatovs ];
 
   options = {
@@ -24,7 +22,7 @@ in
 
       packages = mkOption {
         type = with types; attrsOf path;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             "golang.org/x/text" = builtins.fetchGit "https://go.googlesource.com/text";
@@ -47,18 +45,15 @@ in
 
       extraGoPaths = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "extraGoPath1" "extraGoPath2" ];
-        description =
-          let
-            goPathOpt = "programs.go.goPath";
-          in
-          ''
-            Extra <envar>GOPATH</envar>s relative to <envar>HOME</envar> appended
-            after
-            <varname><link linkend="opt-${goPathOpt}">${goPathOpt}</link></varname>,
-            if that option is set.
-          '';
+        description = let goPathOpt = "programs.go.goPath";
+        in ''
+          Extra <envar>GOPATH</envar>s relative to <envar>HOME</envar> appended
+          after
+          <varname><link linkend="opt-${goPathOpt}">${goPathOpt}</link></varname>,
+          if that option is set.
+        '';
       };
 
       goBin = mkOption {
@@ -74,24 +69,21 @@ in
     {
       home.packages = [ cfg.package ];
 
-      home.file =
-        let
-          goPath = if cfg.goPath != null then cfg.goPath else "go";
-          mkSrc = n: v: { "${goPath}/src/${n}".source = v; };
-        in
-          foldl' (a: b: a // b) {} (mapAttrsToList mkSrc cfg.packages);
+      home.file = let
+        goPath = if cfg.goPath != null then cfg.goPath else "go";
+        mkSrc = n: v: { "${goPath}/src/${n}".source = v; };
+      in foldl' (a: b: a // b) { } (mapAttrsToList mkSrc cfg.packages);
     }
 
     (mkIf (cfg.goPath != null) {
-      home.sessionVariables.GOPATH =
-        concatStringsSep ":"
-        (map builtins.toPath
+      home.sessionVariables.GOPATH = concatStringsSep ":" (map builtins.toPath
         (map (path: "${config.home.homeDirectory}/${path}")
-        ([cfg.goPath] ++ cfg.extraGoPaths)));
+          ([ cfg.goPath ] ++ cfg.extraGoPaths)));
     })
 
     (mkIf (cfg.goBin != null) {
-      home.sessionVariables.GOBIN = builtins.toPath "${config.home.homeDirectory}/${cfg.goBin}";
+      home.sessionVariables.GOBIN =
+        builtins.toPath "${config.home.homeDirectory}/${cfg.goBin}";
     })
   ]);
 }
diff --git a/modules/programs/home-manager.nix b/modules/programs/home-manager.nix
index 42e3c8a3..9039a59d 100644
--- a/modules/programs/home-manager.nix
+++ b/modules/programs/home-manager.nix
@@ -8,9 +8,7 @@ let
 
   dag = config.lib.dag;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -33,10 +31,7 @@ in
   };
 
   config = mkIf (cfg.enable && !config.submoduleSupport.enable) {
-    home.packages = [
-      (pkgs.callPackage ../../home-manager {
-        inherit (cfg) path;
-      })
-    ];
+    home.packages =
+      [ (pkgs.callPackage ../../home-manager { inherit (cfg) path; }) ];
   };
 }
diff --git a/modules/programs/htop.nix b/modules/programs/htop.nix
index d700c485..84966040 100644
--- a/modules/programs/htop.nix
+++ b/modules/programs/htop.nix
@@ -3,6 +3,7 @@
 with lib;
 
 let
+
   cfg = config.programs.htop;
 
   list = xs: concatMapStrings (x: "${toString x} ") xs;
@@ -81,16 +82,15 @@ let
     RightCPUs2 = 1;
     Blank = 2;
     CPU = 1;
-    "CPU(1)"= 1;
+    "CPU(1)" = 1;
     "CPU(2)" = 1;
     "CPU(3)" = 1;
     "CPU(4)" = 1;
   };
 
-  singleMeterType = types.coercedTo
-    (types.enum (attrNames meters))
-    (m: { kind = m; mode = meters.${m}; })
-    (types.submodule {
+  singleMeterType = let
+    meterEnum = types.enum (attrNames meters);
+    meterSubmodule = types.submodule {
       options = {
         kind = mkOption {
           type = types.enum (attrNames meters);
@@ -101,10 +101,15 @@ let
         mode = mkOption {
           type = types.enum [ 1 2 3 4 ];
           example = 2;
-          description = "Which mode the meter should use, one of 1(Bar) 2(Text) 3(Graph) 4(LED).";
+          description =
+            "Which mode the meter should use, one of 1(Bar) 2(Text) 3(Graph) 4(LED).";
         };
       };
-    });
+    };
+  in types.coercedTo meterEnum (m: {
+    kind = m;
+    mode = meters.${m};
+  }) meterSubmodule;
 
   meterType = types.submodule {
     options = {
@@ -115,7 +120,10 @@ let
           "Memory"
           "LeftCPUs2"
           "RightCPUs2"
-          { kind = "CPU"; mode = 3; }
+          {
+            kind = "CPU";
+            mode = 3;
+          }
         ];
         type = types.listOf singleMeterType;
       };
@@ -123,7 +131,10 @@ let
         description = "Meters shown in the right header.";
         default = [ "Tasks" "LoadAverage" "Uptime" ];
         example = [
-          { kind = "Clock"; mode = 4; }
+          {
+            kind = "Clock";
+            mode = 4;
+          }
           "Uptime"
           "Tasks"
         ];
@@ -131,15 +142,37 @@ let
       };
     };
   };
-in
-{
+
+in {
   options.programs.htop = {
     enable = mkEnableOption "htop";
 
     fields = mkOption {
       type = types.listOf (types.enum (attrNames fields));
-      default = [ "PID" "USER" "PRIORITY" "NICE" "M_SIZE" "M_RESIDENT" "M_SHARE" "STATE" "PERCENT_CPU" "PERCENT_MEM" "TIME" "COMM" ];
-      example = [ "PID" "USER" "PRIORITY" "PERCENT_CPU" "M_RESIDENT" "PERCENT_MEM" "TIME" "COMM" ];
+      default = [
+        "PID"
+        "USER"
+        "PRIORITY"
+        "NICE"
+        "M_SIZE"
+        "M_RESIDENT"
+        "M_SHARE"
+        "STATE"
+        "PERCENT_CPU"
+        "PERCENT_MEM"
+        "TIME"
+        "COMM"
+      ];
+      example = [
+        "PID"
+        "USER"
+        "PRIORITY"
+        "PERCENT_CPU"
+        "M_RESIDENT"
+        "PERCENT_MEM"
+        "TIME"
+        "COMM"
+      ];
       description = "Active fields shown in the table.";
     };
 
@@ -209,7 +242,7 @@ in
       default = true;
       description = "Display threads in a different color.";
     };
-    
+
     treeView = mkOption {
       type = types.bool;
       default = false;
@@ -225,7 +258,8 @@ in
     detailedCpuTime = mkOption {
       type = types.bool;
       default = false;
-      description = "Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest).";
+      description =
+        "Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest).";
     };
 
     cpuCountFromZero = mkOption {
@@ -272,14 +306,23 @@ in
           "CPU"
           "LeftCPUs2"
           "RightCPUs2"
-          { kind = "CPU"; mode = 3; }
+          {
+            kind = "CPU";
+            mode = 3;
+          }
         ];
         right = [
-          { kind = "Clock"; mode = 4; }
+          {
+            kind = "Clock";
+            mode = 4;
+          }
           "Uptime"
           "Tasks"
           "LoadAverage"
-          { kind = "Battery"; mode = 1; }
+          {
+            kind = "Battery";
+            mode = 1;
+          }
         ];
       };
       type = meterType;
diff --git a/modules/programs/info.nix b/modules/programs/info.nix
index 863bdcc1..9e4a5d4a 100644
--- a/modules/programs/info.nix
+++ b/modules/programs/info.nix
@@ -34,9 +34,7 @@ let
   # from this package in the activation script.
   infoPkg = pkgs.texinfoInteractive;
 
-in
-
-{
+in {
   options = {
     programs.info = {
       enable = mkEnableOption "GNU Info";
@@ -55,19 +53,20 @@ in
     home.sessionVariables.INFOPATH =
       "${cfg.homeInfoDirLocation}\${INFOPATH:+:}\${INFOPATH}";
 
-    home.activation.createHomeInfoDir = hm.dag.entryAfter ["installPackages"] ''
-      oPATH=$PATH
-      export PATH="${lib.makeBinPath [ pkgs.gzip ]}''${PATH:+:}$PATH"
-      $DRY_RUN_CMD mkdir -p "${cfg.homeInfoDirLocation}"
-      $DRY_RUN_CMD rm -f "${cfg.homeInfoDirLocation}/dir"
-      if [[ -d "${homeInfoPath}" ]]; then
-        find -L "${homeInfoPath}" \( -name '*.info' -o -name '*.info.gz' \) \
-          -exec $DRY_RUN_CMD ${infoPkg}/bin/install-info '{}' \
-          "${cfg.homeInfoDirLocation}/dir" \;
-      fi
-      export PATH="$oPATH"
-      unset oPATH
-    '';
+    home.activation.createHomeInfoDir =
+      hm.dag.entryAfter [ "installPackages" ] ''
+        oPATH=$PATH
+        export PATH="${lib.makeBinPath [ pkgs.gzip ]}''${PATH:+:}$PATH"
+        $DRY_RUN_CMD mkdir -p "${cfg.homeInfoDirLocation}"
+        $DRY_RUN_CMD rm -f "${cfg.homeInfoDirLocation}/dir"
+        if [[ -d "${homeInfoPath}" ]]; then
+          find -L "${homeInfoPath}" \( -name '*.info' -o -name '*.info.gz' \) \
+            -exec $DRY_RUN_CMD ${infoPkg}/bin/install-info '{}' \
+            "${cfg.homeInfoDirLocation}/dir" \;
+        fi
+        export PATH="$oPATH"
+        unset oPATH
+      '';
 
     home.packages = [ infoPkg ];
 
diff --git a/modules/programs/jq.nix b/modules/programs/jq.nix
index 56c3adf0..6c89df0d 100644
--- a/modules/programs/jq.nix
+++ b/modules/programs/jq.nix
@@ -15,19 +15,17 @@ let
 
   colorsType = types.submodule {
     options = {
-      null    = colorType;
-      false   = colorType;
-      true    = colorType;
+      null = colorType;
+      false = colorType;
+      true = colorType;
       numbers = colorType;
       strings = colorType;
-      arrays  = colorType;
+      arrays = colorType;
       objects = colorType;
     };
   };
 
-in
-
-{
+in {
   options = {
     programs.jq = {
       enable = mkEnableOption "the jq command-line JSON processor";
@@ -52,12 +50,12 @@ in
         '';
 
         default = {
-          null    = "1;30";
-          false   = "0;39";
-          true    = "0;39";
+          null = "1;30";
+          false = "0;39";
+          true = "0;39";
           numbers = "0;39";
           strings = "0;32";
-          arrays  = "1;39";
+          arrays = "1;39";
           objects = "1;39";
         };
 
@@ -69,8 +67,10 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.jq ];
 
-    home.sessionVariables = let c = cfg.colors; in {
-      JQ_COLORS = "${c.null}:${c.false}:${c.true}:${c.numbers}:${c.strings}:${c.arrays}:${c.objects}";
+    home.sessionVariables = let c = cfg.colors;
+    in {
+      JQ_COLORS =
+        "${c.null}:${c.false}:${c.true}:${c.numbers}:${c.strings}:${c.arrays}:${c.objects}";
     };
   };
 }
diff --git a/modules/programs/kakoune.nix b/modules/programs/kakoune.nix
index dbaa764a..faf2542d 100644
--- a/modules/programs/kakoune.nix
+++ b/modules/programs/kakoune.nix
@@ -10,16 +10,44 @@ let
     options = {
       name = mkOption {
         type = types.enum [
-          "NormalBegin" "NormalIdle" "NormalEnd" "NormalKey"
-          "InsertBegin" "InsertIdle" "InsertEnd" "InsertKey"
-          "InsertChar" "InsertDelete" "InsertMove" "WinCreate"
-          "WinClose" "WinResize" "WinDisplay" "WinSetOption"
-          "BufSetOption" "BufNewFile" "BufOpenFile" "BufCreate"
-          "BufWritePre" "BufWritePost" "BufReload" "BufClose"
-          "BufOpenFifo" "BufReadFifo" "BufCloseFifo" "RuntimeError"
-          "ModeChange" "PromptIdle" "GlobalSetOption" "KakBegin"
-          "KakEnd" "FocusIn" "FocusOut" "RawKey"
-          "InsertCompletionShow" "InsertCompletionHide"
+          "NormalBegin"
+          "NormalIdle"
+          "NormalEnd"
+          "NormalKey"
+          "InsertBegin"
+          "InsertIdle"
+          "InsertEnd"
+          "InsertKey"
+          "InsertChar"
+          "InsertDelete"
+          "InsertMove"
+          "WinCreate"
+          "WinClose"
+          "WinResize"
+          "WinDisplay"
+          "WinSetOption"
+          "BufSetOption"
+          "BufNewFile"
+          "BufOpenFile"
+          "BufCreate"
+          "BufWritePre"
+          "BufWritePost"
+          "BufReload"
+          "BufClose"
+          "BufOpenFifo"
+          "BufReadFifo"
+          "BufCloseFifo"
+          "RuntimeError"
+          "ModeChange"
+          "PromptIdle"
+          "GlobalSetOption"
+          "KakBegin"
+          "KakEnd"
+          "FocusIn"
+          "FocusOut"
+          "RawKey"
+          "InsertCompletionShow"
+          "InsertCompletionHide"
           "InsertCompletionSelect"
         ];
         example = "SetOption";
@@ -159,7 +187,8 @@ let
       };
 
       autoInfo = mkOption {
-        type = types.nullOr (types.listOf (types.enum [ "command" "onkey" "normal" ]));
+        type = types.nullOr
+          (types.listOf (types.enum [ "command" "onkey" "normal" ]));
         default = null;
         example = [ "command" "normal" ];
         description = ''
@@ -169,7 +198,7 @@ let
       };
 
       autoComplete = mkOption {
-        type = types.nullOr(types.listOf (types.enum [ "insert" "prompt" ]));
+        type = types.nullOr (types.listOf (types.enum [ "insert" "prompt" ]));
         default = null;
         description = ''
           Modes in which to display possible completions.
@@ -450,7 +479,7 @@ let
 
       keyMappings = mkOption {
         type = types.listOf keyMapping;
-        default = [];
+        default = [ ];
         description = ''
           User-defined key mappings. For documentation, see
           <link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/mapping.asciidoc"/>.
@@ -459,7 +488,7 @@ let
 
       hooks = mkOption {
         type = types.listOf hook;
-        default = [];
+        default = [ ];
         description = ''
           Global hooks. For documentation, see
           <link xlink:href="https://github.com/mawww/kakoune/blob/master/doc/pages/hooks.asciidoc"/>.
@@ -468,92 +497,103 @@ let
     };
   };
 
-  configFile =
-    let
-      wrapOptions = with cfg.config.wrapLines; concatStrings [
+  configFile = let
+    wrapOptions = with cfg.config.wrapLines;
+      concatStrings [
         "${optionalString word " -word"}"
         "${optionalString indent " -indent"}"
         "${optionalString (marker != null) " -marker ${marker}"}"
         "${optionalString (maxWidth != null) " -width ${toString maxWidth}"}"
       ];
 
-      numberLinesOptions = with cfg.config.numberLines; concatStrings [
+    numberLinesOptions = with cfg.config.numberLines;
+      concatStrings [
         "${optionalString relative " -relative "}"
         "${optionalString highlightCursor " -hlcursor"}"
         "${optionalString (separator != null) " -separator ${separator}"}"
       ];
 
-      uiOptions = with cfg.config.ui; concatStringsSep " " [
+    uiOptions = with cfg.config.ui;
+      concatStringsSep " " [
         "ncurses_set_title=${if setTitle then "true" else "false"}"
-        "ncurses_status_on_top=${if (statusLine == "top") then "true" else "false"}"
+        "ncurses_status_on_top=${
+          if (statusLine == "top") then "true" else "false"
+        }"
         "ncurses_assistant=${assistant}"
         "ncurses_enable_mouse=${if enableMouse then "true" else "false"}"
         "ncurses_change_colors=${if changeColors then "true" else "false"}"
         "${optionalString (wheelDownButton != null)
-          "ncurses_wheel_down_button=${wheelDownButton}"}"
+        "ncurses_wheel_down_button=${wheelDownButton}"}"
         "${optionalString (wheelUpButton != null)
-          "ncurses_wheel_up_button=${wheelUpButton}"}"
+        "ncurses_wheel_up_button=${wheelUpButton}"}"
         "${optionalString (shiftFunctionKeys != null)
-          "ncurses_shift_function_key=${toString shiftFunctionKeys}"}"
-        "ncurses_builtin_key_parser=${if useBuiltinKeyParser then "true" else "false"}"
+        "ncurses_shift_function_key=${toString shiftFunctionKeys}"}"
+        "ncurses_builtin_key_parser=${
+          if useBuiltinKeyParser then "true" else "false"
+        }"
       ];
 
-      keyMappingString = km: concatStringsSep " " [
+    keyMappingString = km:
+      concatStringsSep " " [
         "map global"
         "${km.mode} ${km.key} '${km.effect}'"
-        "${optionalString (km.docstring != null) "-docstring '${km.docstring}'"}"
+        "${optionalString (km.docstring != null)
+        "-docstring '${km.docstring}'"}"
       ];
 
-      hookString = h: concatStringsSep " " [
-        "hook" "${optionalString (h.group != null) "-group ${group}"}"
-        "${optionalString (h.once) "-once"}" "global"
-        "${h.name}" "${optionalString (h.option != null) h.option}"
+    hookString = h:
+      concatStringsSep " " [
+        "hook"
+        "${optionalString (h.group != null) "-group ${group}"}"
+        "${optionalString (h.once) "-once"}"
+        "global"
+        "${h.name}"
+        "${optionalString (h.option != null) h.option}"
         "%{ ${h.commands} }"
       ];
 
-      cfgStr = with cfg.config; concatStringsSep "\n" (
-        [ "# Generated by home-manager" ]
+    cfgStr = with cfg.config;
+      concatStringsSep "\n" ([ "# Generated by home-manager" ]
         ++ optional (colorScheme != null) "colorscheme ${colorScheme}"
-        ++ optional (tabStop != null) "set-option global tabstop ${toString tabStop}"
-        ++ optional (indentWidth != null) "set-option global indentwidth ${toString indentWidth}"
+        ++ optional (tabStop != null)
+        "set-option global tabstop ${toString tabStop}"
+        ++ optional (indentWidth != null)
+        "set-option global indentwidth ${toString indentWidth}"
         ++ optional (!incrementalSearch) "set-option global incsearch false"
         ++ optional (alignWithTabs) "set-option global aligntab true"
-        ++ optional (autoInfo != null) "set-option global autoinfo ${concatStringsSep "|" autoInfo}"
-        ++ optional (autoComplete != null) "set-option global autocomplete ${concatStringsSep "|" autoComplete}"
-        ++ optional (autoReload != null) "set-option global/ autoreload ${autoReload}"
-        ++ optional (wrapLines != null && wrapLines.enable) "add-highlighter global/ wrap${wrapOptions}"
+        ++ optional (autoInfo != null)
+        "set-option global autoinfo ${concatStringsSep "|" autoInfo}"
+        ++ optional (autoComplete != null)
+        "set-option global autocomplete ${concatStringsSep "|" autoComplete}"
+        ++ optional (autoReload != null)
+        "set-option global/ autoreload ${autoReload}"
+        ++ optional (wrapLines != null && wrapLines.enable)
+        "add-highlighter global/ wrap${wrapOptions}"
         ++ optional (numberLines != null && numberLines.enable)
-          "add-highlighter global/ number-lines${numberLinesOptions}"
+        "add-highlighter global/ number-lines${numberLinesOptions}"
         ++ optional showMatching "add-highlighter global/ show-matching"
         ++ optional (scrollOff != null)
-          "set-option global scrolloff ${toString scrollOff.lines},${toString scrollOff.columns}"
+        "set-option global scrolloff ${toString scrollOff.lines},${
+          toString scrollOff.columns
+        }"
 
         ++ [ "# UI options" ]
         ++ optional (ui != null) "set-option global ui_options ${uiOptions}"
 
-        ++ [ "# Key mappings" ]
-        ++ map keyMappingString keyMappings
+        ++ [ "# Key mappings" ] ++ map keyMappingString keyMappings
 
-        ++ [ "# Hooks" ]
-        ++ map hookString hooks
-      );
-    in
-      pkgs.writeText "kakrc" (
-        optionalString (cfg.config != null) cfgStr
-        + "\n"
-        + cfg.extraConfig
-      );
+        ++ [ "# Hooks" ] ++ map hookString hooks);
+  in pkgs.writeText "kakrc"
+  (optionalString (cfg.config != null) cfgStr + "\n" + cfg.extraConfig);
 
-in
-
-{
+in {
   options = {
     programs.kakoune = {
       enable = mkEnableOption "the kakoune text editor";
 
       config = mkOption {
         type = types.nullOr configModule;
-        default = {};
+        default = { };
         description = "kakoune configuration options.";
       };
 
diff --git a/modules/programs/keychain.nix b/modules/programs/keychain.nix
index 2231a7c2..6e26bd23 100644
--- a/modules/programs/keychain.nix
+++ b/modules/programs/keychain.nix
@@ -6,15 +6,16 @@ let
 
   cfg = config.programs.keychain;
 
-  flags = cfg.extraFlags
-    ++ optional (cfg.agents != []) "--agents ${concatStringsSep "," cfg.agents}"
+  flags = cfg.extraFlags ++ optional (cfg.agents != [ ])
+    "--agents ${concatStringsSep "," cfg.agents}"
     ++ optional (cfg.inheritType != null) "--inherit ${cfg.inheritType}";
 
-  shellCommand = "${cfg.package}/bin/keychain --eval ${concatStringsSep " " flags} ${concatStringsSep " " cfg.keys}";
+  shellCommand =
+    "${cfg.package}/bin/keychain --eval ${concatStringsSep " " flags} ${
+      concatStringsSep " " cfg.keys
+    }";
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.keychain = {
@@ -39,14 +40,15 @@ in
 
     agents = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = ''
         Agents to add.
       '';
     };
 
     inheritType = mkOption {
-      type = types.nullOr (types.enum ["local" "any" "local-once" "any-once"]);
+      type =
+        types.nullOr (types.enum [ "local" "any" "local-once" "any-once" ]);
       default = null;
       description = ''
         Inherit type to attempt from agent variables from the environment.
diff --git a/modules/programs/lsd.nix b/modules/programs/lsd.nix
index 94934169..ab1880ff 100644
--- a/modules/programs/lsd.nix
+++ b/modules/programs/lsd.nix
@@ -11,12 +11,10 @@ let
     ll = "ls -l";
     la = "ls -a";
     lt = "ls --tree";
-    lla ="ls -la";
+    lla = "ls -la";
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.lsd = {
diff --git a/modules/programs/matplotlib.nix b/modules/programs/matplotlib.nix
index 48ff6e60..da80c116 100644
--- a/modules/programs/matplotlib.nix
+++ b/modules/programs/matplotlib.nix
@@ -9,16 +9,13 @@ let
   formatLine = o: n: v:
     let
       formatValue = v:
-        if isBool v then (if v then "True" else "False")
-        else toString v;
-    in
-      if isAttrs v
-      then concatStringsSep "\n" (mapAttrsToList (formatLine "${o}${n}.") v)
-      else (if v == "" then "" else "${o}${n}: ${formatValue v}");
+        if isBool v then (if v then "True" else "False") else toString v;
+    in if isAttrs v then
+      concatStringsSep "\n" (mapAttrsToList (formatLine "${o}${n}.") v)
+    else
+      (if v == "" then "" else "${o}${n}: ${formatValue v}");
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rprospero ];
 
   options.programs.matplotlib = {
@@ -31,7 +28,7 @@ in
         Add terms to the <filename>matplotlibrc</filename> file to
         control the default matplotlib behavior.
       '';
-      example = literalExample  ''
+      example = literalExample ''
         {
           backend = "Qt5Agg";
           axes = {
@@ -55,10 +52,8 @@ in
   };
 
   config = mkIf cfg.enable {
-    xdg.configFile."matplotlib/matplotlibrc".text =
-      concatStringsSep "\n" ([]
-        ++ mapAttrsToList (formatLine "") cfg.config
-        ++ optional (cfg.extraConfig != "") cfg.extraConfig
-      ) + "\n";
+    xdg.configFile."matplotlib/matplotlibrc".text = concatStringsSep "\n" ([ ]
+      ++ mapAttrsToList (formatLine "") cfg.config
+      ++ optional (cfg.extraConfig != "") cfg.extraConfig) + "\n";
   };
 }
diff --git a/modules/programs/mbsync-accounts.nix b/modules/programs/mbsync-accounts.nix
index c586481d..4de1965f 100644
--- a/modules/programs/mbsync-accounts.nix
+++ b/modules/programs/mbsync-accounts.nix
@@ -6,9 +6,7 @@ let
 
   extraConfigType = with lib.types; attrsOf (either (either str int) bool);
 
-in
-
-{
+in {
   options.mbsync = {
     enable = mkEnableOption "synchronization using mbsync";
 
@@ -62,7 +60,7 @@ in
 
     extraConfig.channel = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       example = literalExample ''
         {
           MaxMessages = 10000;
@@ -76,7 +74,7 @@ in
 
     extraConfig.local = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       description = ''
         Local store extra configuration.
       '';
@@ -84,7 +82,7 @@ in
 
     extraConfig.remote = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       description = ''
         Remote store extra configuration.
       '';
@@ -92,7 +90,7 @@ in
 
     extraConfig.account = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       example = literalExample ''
         {
           PipelineDepth = 10;
diff --git a/modules/programs/mbsync.nix b/modules/programs/mbsync.nix
index 7537f6d5..6ade1098 100644
--- a/modules/programs/mbsync.nix
+++ b/modules/programs/mbsync.nix
@@ -10,14 +10,15 @@ let
   mbsyncAccounts =
     filter (a: a.mbsync.enable) (attrValues config.accounts.email.accounts);
 
-  genTlsConfig = tls: {
-      SSLType =
-        if !tls.enable          then "None"
-        else if tls.useStartTls then "STARTTLS"
-        else                         "IMAPS";
-    }
-    //
-    optionalAttrs (tls.enable && tls.certificatesFile != null) {
+  genTlsConfig = tls:
+    {
+      SSLType = if !tls.enable then
+        "None"
+      else if tls.useStartTls then
+        "STARTTLS"
+      else
+        "IMAPS";
+    } // optionalAttrs (tls.enable && tls.certificatesFile != null) {
       CertificateFile = toString tls.certificatesFile;
     };
 
@@ -30,79 +31,61 @@ let
 
   genSection = header: entries:
     let
-      escapeValue = escape [ "\"" ];
+      escapeValue = escape [ ''"'' ];
       hasSpace = v: builtins.match ".* .*" v != null;
       genValue = n: v:
-        if isList v
-        then concatMapStringsSep " " (genValue n) v
-        else if isBool v then (if v then "yes" else "no")
-        else if isInt v then toString v
-        else if isString v && hasSpace v then "\"${escapeValue v}\""
-        else if isString v then v
+        if isList v then
+          concatMapStringsSep " " (genValue n) v
+        else if isBool v then
+          (if v then "yes" else "no")
+        else if isInt v then
+          toString v
+        else if isString v && hasSpace v then
+          ''"${escapeValue v}"''
+        else if isString v then
+          v
         else
-          let prettyV = lib.generators.toPretty {} v;
-          in  throw "mbsync: unexpected value for option ${n}: '${prettyV}'";
-    in
-      ''
-        ${header}
-        ${concatStringsSep "\n"
-          (mapAttrsToList (n: v: "${n} ${genValue n v}") entries)}
-      '';
+          let prettyV = lib.generators.toPretty { } v;
+          in throw "mbsync: unexpected value for option ${n}: '${prettyV}'";
+    in ''
+      ${header}
+      ${concatStringsSep "\n"
+      (mapAttrsToList (n: v: "${n} ${genValue n v}") entries)}
+    '';
 
-  genAccountConfig = account: with account;
-      genSection "IMAPAccount ${name}" (
-        {
-          Host = imap.host;
-          User = userName;
-          PassCmd = toString passwordCommand;
-        }
-        // genTlsConfig imap.tls
-        // optionalAttrs (imap.port != null) { Port = toString imap.port; }
-        // mbsync.extraConfig.account
-      )
-      + "\n"
-      + genSection "IMAPStore ${name}-remote" (
-        {
-          Account = name;
-        }
-        // mbsync.extraConfig.remote
-      )
-      + "\n"
-      + genSection "MaildirStore ${name}-local" (
-        {
-          Path = "${maildir.absPath}/";
-          Inbox = "${maildir.absPath}/${folders.inbox}";
-          SubFolders = "Verbatim";
-        }
-        // optionalAttrs (mbsync.flatten != null) { Flatten = mbsync.flatten; }
-        // mbsync.extraConfig.local
-      )
-      + "\n"
-      + genSection "Channel ${name}" (
-        {
-          Master = ":${name}-remote:";
-          Slave = ":${name}-local:";
-          Patterns = mbsync.patterns;
-          Create = masterSlaveMapping.${mbsync.create};
-          Remove = masterSlaveMapping.${mbsync.remove};
-          Expunge = masterSlaveMapping.${mbsync.expunge};
-          SyncState = "*";
-        }
-        // mbsync.extraConfig.channel
-      )
-      + "\n";
+  genAccountConfig = account:
+    with account;
+    genSection "IMAPAccount ${name}" ({
+      Host = imap.host;
+      User = userName;
+      PassCmd = toString passwordCommand;
+    } // genTlsConfig imap.tls
+      // optionalAttrs (imap.port != null) { Port = toString imap.port; }
+      // mbsync.extraConfig.account) + "\n"
+    + genSection "IMAPStore ${name}-remote"
+    ({ Account = name; } // mbsync.extraConfig.remote) + "\n"
+    + genSection "MaildirStore ${name}-local" ({
+      Path = "${maildir.absPath}/";
+      Inbox = "${maildir.absPath}/${folders.inbox}";
+      SubFolders = "Verbatim";
+    } // optionalAttrs (mbsync.flatten != null) { Flatten = mbsync.flatten; }
+      // mbsync.extraConfig.local) + "\n" + genSection "Channel ${name}" ({
+        Master = ":${name}-remote:";
+        Slave = ":${name}-local:";
+        Patterns = mbsync.patterns;
+        Create = masterSlaveMapping.${mbsync.create};
+        Remove = masterSlaveMapping.${mbsync.remove};
+        Expunge = masterSlaveMapping.${mbsync.expunge};
+        SyncState = "*";
+      } // mbsync.extraConfig.channel) + "\n";
 
   genGroupConfig = name: channels:
     let
       genGroupChannel = n: boxes: "Channel ${n}:${concatStringsSep "," boxes}";
-    in
-      concatStringsSep "\n" (
-        [ "Group ${name}" ] ++ mapAttrsToList genGroupChannel channels
-      );
+    in concatStringsSep "\n"
+    ([ "Group ${name}" ] ++ mapAttrsToList genGroupChannel channels);
 
-in
-
-{
+in {
   options = {
     programs.mbsync = {
       enable = mkEnableOption "mbsync IMAP4 and Maildir mailbox synchronizer";
@@ -117,7 +100,7 @@ in
 
       groups = mkOption {
         type = types.attrsOf (types.attrsOf (types.listOf types.str));
-        default = {};
+        default = { };
         example = literalExample ''
           {
             inboxes = {
@@ -142,41 +125,34 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions =
-      let
-        checkAccounts = pred: msg:
-          let
-            badAccounts = filter pred mbsyncAccounts;
-          in {
-            assertion = badAccounts == [];
-            message = "mbsync: ${msg} for accounts: "
-              + concatMapStringsSep ", " (a: a.name) badAccounts;
-          };
-      in
-        [
-          (checkAccounts (a: a.maildir == null) "Missing maildir configuration")
-          (checkAccounts (a: a.imap == null) "Missing IMAP configuration")
-          (checkAccounts (a: a.passwordCommand == null) "Missing passwordCommand")
-          (checkAccounts (a: a.userName == null) "Missing username")
-        ];
+    assertions = let
+      checkAccounts = pred: msg:
+        let badAccounts = filter pred mbsyncAccounts;
+        in {
+          assertion = badAccounts == [ ];
+          message = "mbsync: ${msg} for accounts: "
+            + concatMapStringsSep ", " (a: a.name) badAccounts;
+        };
+    in [
+      (checkAccounts (a: a.maildir == null) "Missing maildir configuration")
+      (checkAccounts (a: a.imap == null) "Missing IMAP configuration")
+      (checkAccounts (a: a.passwordCommand == null) "Missing passwordCommand")
+      (checkAccounts (a: a.userName == null) "Missing username")
+    ];
 
     home.packages = [ cfg.package ];
 
     programs.notmuch.new.ignore = [ ".uidvalidity" ".mbsyncstate" ];
 
-    home.file.".mbsyncrc".text =
-      let
-        accountsConfig = map genAccountConfig mbsyncAccounts;
-        groupsConfig = mapAttrsToList genGroupConfig cfg.groups;
-      in
-        concatStringsSep "\n" (
-          [ "# Generated by Home Manager.\n" ]
-          ++ optional (cfg.extraConfig != "") cfg.extraConfig
-          ++ accountsConfig
-          ++ groupsConfig
-        ) + "\n";
+    home.file.".mbsyncrc".text = let
+      accountsConfig = map genAccountConfig mbsyncAccounts;
+      groupsConfig = mapAttrsToList genGroupConfig cfg.groups;
+    in concatStringsSep "\n" ([''
+      # Generated by Home Manager.
+    ''] ++ optional (cfg.extraConfig != "") cfg.extraConfig ++ accountsConfig
+      ++ groupsConfig) + "\n";
 
-    home.activation = mkIf (mbsyncAccounts != []) {
+    home.activation = mkIf (mbsyncAccounts != [ ]) {
       createMaildir =
         hm.dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
           $DRY_RUN_CMD mkdir -m700 -p $VERBOSE_ARG ${
diff --git a/modules/programs/mercurial.nix b/modules/programs/mercurial.nix
index fa6e7b3e..8e9a3bef 100644
--- a/modules/programs/mercurial.nix
+++ b/modules/programs/mercurial.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.mercurial;
 
-in
-
-{
+in {
 
   options = {
     programs.mercurial = {
@@ -33,13 +31,13 @@ in
 
       aliases = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         description = "Mercurial aliases to define.";
       };
 
       extraConfig = mkOption {
         type = types.either types.attrs types.lines;
-        default = {};
+        default = { };
         description = "Additional configuration to add.";
       };
 
@@ -50,53 +48,53 @@ in
 
       ignores = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "*~" "*.swp" ];
         description = "List of globs for files to be globally ignored.";
       };
 
       ignoresRegexp = mkOption {
         type = types.listOf types.str;
-        default = [];
+        default = [ ];
         example = [ "^.*~$" "^.*\\.swp$" ];
         description =
-            "List of regular expressions for files to be globally ignored.";
+          "List of regular expressions for files to be globally ignored.";
       };
     };
   };
 
-  config = mkIf cfg.enable (
-    mkMerge [
-      {
-        home.packages = [ cfg.package ];
+  config = mkIf cfg.enable (mkMerge [
+    {
+      home.packages = [ cfg.package ];
 
-        programs.mercurial.iniContent.ui = {
-          username = cfg.userName + " <" + cfg.userEmail + ">";
-        };
+      programs.mercurial.iniContent.ui = {
+        username = cfg.userName + " <" + cfg.userEmail + ">";
+      };
 
-        xdg.configFile."hg/hgrc".text = generators.toINI {} cfg.iniContent;
-      }
+      xdg.configFile."hg/hgrc".text = generators.toINI { } cfg.iniContent;
+    }
 
-      (mkIf (cfg.ignores != [] || cfg.ignoresRegexp != []) {
-        programs.mercurial.iniContent.ui.ignore =
-            "${config.xdg.configHome}/hg/hgignore_global";
+    (mkIf (cfg.ignores != [ ] || cfg.ignoresRegexp != [ ]) {
+      programs.mercurial.iniContent.ui.ignore =
+        "${config.xdg.configHome}/hg/hgignore_global";
 
-        xdg.configFile."hg/hgignore_global".text =
-            "syntax: glob\n"   + concatStringsSep "\n" cfg.ignores + "\n" +
-            "syntax: regexp\n" + concatStringsSep "\n" cfg.ignoresRegexp + "\n";
-      })
+      xdg.configFile."hg/hgignore_global".text = ''
+        syntax: glob
+      '' + concatStringsSep "\n" cfg.ignores + "\n" + ''
+        syntax: regexp
+      '' + concatStringsSep "\n" cfg.ignoresRegexp + "\n";
+    })
 
-      (mkIf (cfg.aliases != {}) {
-        programs.mercurial.iniContent.alias = cfg.aliases;
-      })
+    (mkIf (cfg.aliases != { }) {
+      programs.mercurial.iniContent.alias = cfg.aliases;
+    })
 
-      (mkIf (lib.isAttrs cfg.extraConfig) {
-        programs.mercurial.iniContent = cfg.extraConfig;
-      })
+    (mkIf (lib.isAttrs cfg.extraConfig) {
+      programs.mercurial.iniContent = cfg.extraConfig;
+    })
 
-      (mkIf (lib.isString cfg.extraConfig) {
-        xdg.configFile."hg/hgrc".text = cfg.extraConfig;
-      })
-    ]
-  );
+    (mkIf (lib.isString cfg.extraConfig) {
+      xdg.configFile."hg/hgrc".text = cfg.extraConfig;
+    })
+  ]);
 }
diff --git a/modules/programs/mpv.nix b/modules/programs/mpv.nix
index 8b9c191c..3a4e5092 100644
--- a/modules/programs/mpv.nix
+++ b/modules/programs/mpv.nix
@@ -23,31 +23,21 @@ let
     }.${typeOf option};
 
   renderOptions = options:
-    concatStringsSep "\n"
-      (mapAttrsToList
-        (name: value:
-          let
-            rendered = renderOption value;
-            length = toString (stringLength rendered);
-          in
-          "${name}=%${length}%${rendered}")
-          options);
+    concatStringsSep "\n" (mapAttrsToList (name: value:
+      let
+        rendered = renderOption value;
+        length = toString (stringLength rendered);
+      in "${name}=%${length}%${rendered}") options);
 
   renderProfiles = profiles:
-    concatStringsSep "\n"
-      (mapAttrsToList
-        (name: value: ''
-          [${name}]
-          ${renderOptions value}
-        '')
-        profiles);
+    concatStringsSep "\n" (mapAttrsToList (name: value: ''
+      [${name}]
+      ${renderOptions value}
+    '') profiles);
 
   renderBindings = bindings:
     concatStringsSep "\n"
-      (mapAttrsToList
-        (name: value:
-          "${name} ${value}")
-        bindings);
+    (mapAttrsToList (name: value: "${name} ${value}") bindings);
 
 in {
   options = {
@@ -56,7 +46,7 @@ in {
 
       scripts = mkOption {
         type = with types; listOf (either package str);
-        default = [];
+        default = [ ];
         example = literalExample "[ pkgs.mpvScripts.mpris ]";
         description = ''
           List of scripts to use with mpv.
@@ -74,7 +64,7 @@ in {
           for the full list of options.
         '';
         type = mpvOptions;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             profile = "gpu-hq";
@@ -92,7 +82,7 @@ in {
           <option>programs.mpv.config</option> for more information.
         '';
         type = mpvProfiles;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             fast = {
@@ -117,7 +107,7 @@ in {
           for the full list of options.
         '';
         type = mpvBindings;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             WHEEL_UP = "seek 10";
@@ -131,19 +121,20 @@ in {
 
   config = mkIf cfg.enable (mkMerge [
     {
-      home.packages = [(
-        if cfg.scripts == []
-        then pkgs.mpv
-        else pkgs.mpv-with-scripts.override { scripts = cfg.scripts; }
-      )];
+      home.packages = [
+        (if cfg.scripts == [ ] then
+          pkgs.mpv
+        else
+          pkgs.mpv-with-scripts.override { scripts = cfg.scripts; })
+      ];
     }
-    (mkIf (cfg.config != {} || cfg.profiles != {}) {
+    (mkIf (cfg.config != { } || cfg.profiles != { }) {
       xdg.configFile."mpv/mpv.conf".text = ''
-        ${optionalString (cfg.config != {}) (renderOptions cfg.config)}
-        ${optionalString (cfg.profiles != {}) (renderProfiles cfg.profiles)}
+        ${optionalString (cfg.config != { }) (renderOptions cfg.config)}
+        ${optionalString (cfg.profiles != { }) (renderProfiles cfg.profiles)}
       '';
     })
-    (mkIf (cfg.bindings != {}) {
+    (mkIf (cfg.bindings != { }) {
       xdg.configFile."mpv/input.conf".text = renderBindings cfg.bindings;
     })
   ]);
diff --git a/modules/programs/msmtp-accounts.nix b/modules/programs/msmtp-accounts.nix
index 277710f4..894cef51 100644
--- a/modules/programs/msmtp-accounts.nix
+++ b/modules/programs/msmtp-accounts.nix
@@ -23,7 +23,8 @@ with lib;
     };
 
     tls.fingerprint = mkOption {
-      type = types.nullOr (types.strMatching "([[:alnum:]]{2}\:)+[[:alnum:]]{2}");
+      type =
+        types.nullOr (types.strMatching "([[:alnum:]]{2}:)+[[:alnum:]]{2}");
       default = null;
       example = "my:SH:a2:56:ha:sh";
       description = ''
diff --git a/modules/programs/msmtp.nix b/modules/programs/msmtp.nix
index 1ff3139e..f34fd72f 100644
--- a/modules/programs/msmtp.nix
+++ b/modules/programs/msmtp.nix
@@ -6,38 +6,32 @@ let
 
   cfg = config.programs.msmtp;
 
-  msmtpAccounts = filter (a: a.msmtp.enable)
-    (attrValues config.accounts.email.accounts);
+  msmtpAccounts =
+    filter (a: a.msmtp.enable) (attrValues config.accounts.email.accounts);
 
   onOff = p: if p then "on" else "off";
 
-  accountStr = account: with account;
-    concatStringsSep "\n" (
-      [ "account ${name}" ]
-      ++ mapAttrsToList (n: v: n + " " + v) (
-        {
-          host = smtp.host;
-          from = address;
-          auth = "on";
-          user = userName;
-          tls = onOff smtp.tls.enable;
-          tls_starttls = onOff smtp.tls.useStartTls;
-          tls_trust_file = smtp.tls.certificatesFile;
-        }
-        // optionalAttrs (msmtp.tls.fingerprint != null) {
-          tls_fingerprint = msmtp.tls.fingerprint;
-        }
-        // optionalAttrs (smtp.port != null) {
-          port = toString smtp.port;
-        }
+  accountStr = account:
+    with account;
+    concatStringsSep "\n" ([ "account ${name}" ]
+      ++ mapAttrsToList (n: v: n + " " + v) ({
+        host = smtp.host;
+        from = address;
+        auth = "on";
+        user = userName;
+        tls = onOff smtp.tls.enable;
+        tls_starttls = onOff smtp.tls.useStartTls;
+        tls_trust_file = smtp.tls.certificatesFile;
+      } // optionalAttrs (msmtp.tls.fingerprint != null) {
+        tls_fingerprint = msmtp.tls.fingerprint;
+      } // optionalAttrs (smtp.port != null) { port = toString smtp.port; }
         // optionalAttrs (passwordCommand != null) {
           # msmtp requires the password to finish with a newline.
-          passwordeval = ''${pkgs.bash}/bin/bash -c "${toString passwordCommand}; echo"'';
-        }
-        // msmtp.extraConfig
-      )
-      ++ optional primary "\naccount default : ${name}"
-    );
+          passwordeval =
+            ''${pkgs.bash}/bin/bash -c "${toString passwordCommand}; echo"'';
+        } // msmtp.extraConfig) ++ optional primary ''
+
+          account default : ${name}'');
 
   configFile = mailAccounts: ''
     # Generated by Home Manager.
@@ -47,9 +41,7 @@ let
     ${concatStringsSep "\n\n" (map accountStr mailAccounts)}
   '';
 
-in
-
-{
+in {
 
   options = {
     programs.msmtp = {
@@ -71,7 +63,7 @@ in
 
     xdg.configFile."msmtp/config".text = configFile msmtpAccounts;
 
-    home.sessionVariables =  {
+    home.sessionVariables = {
       MSMTP_QUEUE = "${config.xdg.dataHome}/msmtp/queue";
       MSMTP_LOG = "${config.xdg.dataHome}/msmtp/queue.log";
     };
diff --git a/modules/programs/neomutt-accounts.nix b/modules/programs/neomutt-accounts.nix
index a374f116..033db38e 100644
--- a/modules/programs/neomutt-accounts.nix
+++ b/modules/programs/neomutt-accounts.nix
@@ -26,10 +26,9 @@ with lib;
   };
 
   config = mkIf config.neomutt.enable {
-    neomutt.sendMailCommand = mkOptionDefault (
-      if config.msmtp.enable
-      then "msmtpq --read-envelope-from --read-recipients"
-      else null
-    );
+    neomutt.sendMailCommand = mkOptionDefault (if config.msmtp.enable then
+      "msmtpq --read-envelope-from --read-recipients"
+    else
+      null);
   };
 }
diff --git a/modules/programs/neomutt.nix b/modules/programs/neomutt.nix
index 1f7022e0..85af0353 100644
--- a/modules/programs/neomutt.nix
+++ b/modules/programs/neomutt.nix
@@ -6,8 +6,8 @@ let
 
   cfg = config.programs.neomutt;
 
-  neomuttAccounts = filter (a: a.neomutt.enable)
-      (attrValues config.accounts.email.accounts);
+  neomuttAccounts =
+    filter (a: a.neomutt.enable) (attrValues config.accounts.email.accounts);
 
   sidebarModule = types.submodule {
     options = {
@@ -76,13 +76,12 @@ let
 
   yesno = x: if x then "yes" else "no";
   setOption = n: v: if v == null then "unset ${n}" else "set ${n}=${v}";
-  escape = replaceStrings ["%"] ["%25"];
+  escape = replaceStrings [ "%" ] [ "%25" ];
 
-  accountFilename = account:
-    config.xdg.configHome + "/neomutt/" + account.name;
+  accountFilename = account: config.xdg.configHome + "/neomutt/" + account.name;
 
-  genCommonFolderHooks = account: with account;
-    {
+  genCommonFolderHooks = account:
+    with account; {
       from = "'${address}'";
       realname = "'${realName}'";
       spoolfile = "'+${folders.inbox}'";
@@ -91,13 +90,13 @@ let
       trash = "'+${folders.trash}'";
     };
 
-  mtaSection = account: with account;
-    let
-      passCmd = concatStringsSep " " passwordCommand;
-    in
-      if neomutt.sendMailCommand != null then {
-        sendmail = "'${neomutt.sendMailCommand}'";
-      } else let
+  mtaSection = account:
+    with account;
+    let passCmd = concatStringsSep " " passwordCommand;
+    in if neomutt.sendMailCommand != null then {
+      sendmail = "'${neomutt.sendMailCommand}'";
+    } else
+      let
         smtpProto = if smtp.tls.enable then "smtps" else "smtp";
         smtpBaseUrl = "${smtpProto}://${escape userName}@${smtp.host}";
       in {
@@ -105,35 +104,32 @@ let
         smtp_pass = "'`${passCmd}`'";
       };
 
-  genMaildirAccountConfig = account: with account;
+  genMaildirAccountConfig = account:
+    with account;
     let
-      folderHook =
-        mapAttrsToList setOption (
-          genCommonFolderHooks account
-          // { folder = "'${account.maildir.absPath}'"; }
-        )
-        ++ optional (neomutt.extraConfig != "") neomutt.extraConfig;
-    in
-      ''
-        ${concatStringsSep "\n" folderHook}
-      '';
+      folderHook = mapAttrsToList setOption (genCommonFolderHooks account // {
+        folder = "'${account.maildir.absPath}'";
+      }) ++ optional (neomutt.extraConfig != "") neomutt.extraConfig;
+    in ''
+      ${concatStringsSep "\n" folderHook}
+    '';
 
-  registerAccount = account: with account;
-    ''
+  registerAccount = account:
+    with account; ''
       # register account ${name}
       mailboxes "${account.maildir.absPath}/${folders.inbox}"
       folder-hook ${account.maildir.absPath}/ " \
           source ${accountFilename account} "
     '';
 
-  mraSection = account: with account;
-    if account.maildir != null
-    then genMaildirAccountConfig account
-    else throw "Only maildir is supported at the moment";
-
-    optionsStr = attrs:
-      concatStringsSep "\n" (mapAttrsToList setOption attrs);
+  mraSection = account:
+    with account;
+    if account.maildir != null then
+      genMaildirAccountConfig account
+    else
+      throw "Only maildir is supported at the moment";
 
+  optionsStr = attrs: concatStringsSep "\n" (mapAttrsToList setOption attrs);
 
   sidebarSection = ''
     # Sidebar
@@ -143,81 +139,74 @@ let
     set sidebar_format = '${cfg.sidebar.format}'
   '';
 
-  bindSection =
-    concatMapStringsSep
-      "\n"
-      (bind: "bind ${bind.map} ${bind.key} \"${bind.action}\"")
-      cfg.binds;
+  bindSection = concatMapStringsSep "\n"
+    (bind: ''bind ${bind.map} ${bind.key} "${bind.action}"'') cfg.binds;
 
-  macroSection =
-    concatMapStringsSep
-      "\n"
-      (bind: "macro ${bind.map} ${bind.key} \"${bind.action}\"")
-      cfg.macros;
+  macroSection = concatMapStringsSep "\n"
+    (bind: ''macro ${bind.map} ${bind.key} "${bind.action}"'') cfg.macros;
 
   mailCheckSection = ''
     set mail_check_stats
     set mail_check_stats_interval = ${toString cfg.checkStatsInterval}
   '';
 
-  notmuchSection = account: with account; ''
-    # notmuch section
-    set nm_default_uri = "notmuch://${config.accounts.email.maildirBasePath}"
-    virtual-mailboxes "My INBOX" "notmuch://?query=tag:inbox"
-  '';
+  notmuchSection = account:
+    with account; ''
+      # notmuch section
+      set nm_default_uri = "notmuch://${config.accounts.email.maildirBasePath}"
+      virtual-mailboxes "My INBOX" "notmuch://?query=tag:inbox"
+    '';
 
-  accountStr = account: with account; ''
-    # Generated by Home Manager.
-    set ssl_force_tls = yes
-    set certificate_file=${config.accounts.email.certificatesFile}
+  accountStr = account:
+    with account;
+    ''
+      # Generated by Home Manager.
+      set ssl_force_tls = yes
+      set certificate_file=${config.accounts.email.certificatesFile}
 
-    # GPG section
-    set crypt_use_gpgme = yes
-    set crypt_autosign = ${yesno (gpg.signByDefault or false)}
-    set pgp_use_gpg_agent = yes
-    set mbox_type = ${if maildir != null then "Maildir" else "mbox"}
-    set sort = "${cfg.sort}"
+      # GPG section
+      set crypt_use_gpgme = yes
+      set crypt_autosign = ${yesno (gpg.signByDefault or false)}
+      set pgp_use_gpg_agent = yes
+      set mbox_type = ${if maildir != null then "Maildir" else "mbox"}
+      set sort = "${cfg.sort}"
 
-    # MTA section
-    ${optionsStr (mtaSection account)}
+      # MTA section
+      ${optionsStr (mtaSection account)}
 
-    ${optionalString (cfg.checkStatsInterval != null) mailCheckSection}
+      ${optionalString (cfg.checkStatsInterval != null) mailCheckSection}
 
-    ${optionalString cfg.sidebar.enable sidebarSection}
+      ${optionalString cfg.sidebar.enable sidebarSection}
 
-    # MRA section
-    ${mraSection account}
+      # MRA section
+      ${mraSection account}
 
-    # Extra configuration
-    ${account.neomutt.extraConfig}
-  ''
-  + optionalString (account.signature.showSignature != "none") ''
-    set signature = ${pkgs.writeText "signature.txt" account.signature.text}
-  ''
-  + optionalString account.notmuch.enable (notmuchSection account);
+      # Extra configuration
+      ${account.neomutt.extraConfig}
+    '' + optionalString (account.signature.showSignature != "none") ''
+      set signature = ${pkgs.writeText "signature.txt" account.signature.text}
+    '' + optionalString account.notmuch.enable (notmuchSection account);
 
-in
-
-{
+in {
   options = {
     programs.neomutt = {
       enable = mkEnableOption "the NeoMutt mail client";
 
       sidebar = mkOption {
         type = sidebarModule;
-        default = {};
+        default = { };
         description = "Options related to the sidebar.";
       };
 
       binds = mkOption {
         type = types.listOf bindModule;
-        default = [];
+        default = [ ];
         description = "List of keybindings.";
       };
 
       macros = mkOption {
         type = types.listOf bindModule;
-        default = [];
+        default = [ ];
         description = "List of macros.";
       };
 
@@ -259,7 +248,7 @@ in
 
       settings = mkOption {
         type = types.attrsOf types.str;
-        default = {};
+        default = { };
         description = "Extra configuration appended to the end.";
       };
 
@@ -277,43 +266,37 @@ in
       rcFile = account: {
         "${accountFilename account}".text = accountStr account;
       };
-    in
-      foldl' (a: b: a // b) {} (map rcFile neomuttAccounts);
+    in foldl' (a: b: a // b) { } (map rcFile neomuttAccounts);
 
-    xdg.configFile."neomutt/neomuttrc" = mkIf (neomuttAccounts != []) {
-      text =
-        let
-          primary = filter (a: a.primary) neomuttAccounts;
-        in
-          ''
-            # Generated by Home Manager.
-            set header_cache = "${config.xdg.cacheHome}/neomutt/headers/"
-            set message_cachedir = "${config.xdg.cacheHome}/neomutt/messages/"
-            set editor = "${cfg.editor}"
-            set implicit_autoview = yes
+    xdg.configFile."neomutt/neomuttrc" = mkIf (neomuttAccounts != [ ]) {
+      text = let primary = filter (a: a.primary) neomuttAccounts;
+      in ''
+        # Generated by Home Manager.
+        set header_cache = "${config.xdg.cacheHome}/neomutt/headers/"
+        set message_cachedir = "${config.xdg.cacheHome}/neomutt/messages/"
+        set editor = "${cfg.editor}"
+        set implicit_autoview = yes
 
-            alternative_order text/enriched text/plain text
+        alternative_order text/enriched text/plain text
 
-            set delete = yes
+        set delete = yes
 
-            # Binds
-            ${bindSection}
+        # Binds
+        ${bindSection}
 
-            # Macros
-            ${macroSection}
+        # Macros
+        ${macroSection}
 
-            ${optionalString cfg.vimKeys "source ${pkgs.neomutt}/share/doc/neomutt/vim-keys/vim-keys.rc"}
+        ${optionalString cfg.vimKeys
+        "source ${pkgs.neomutt}/share/doc/neomutt/vim-keys/vim-keys.rc"}
 
-            # Extra configuration
-            ${optionsStr cfg.settings}
+        # Extra configuration
+        ${optionsStr cfg.settings}
 
-            ${cfg.extraConfig}
-          ''
-          +
-          concatMapStringsSep "\n" registerAccount neomuttAccounts
-          +
-          # source primary account
-          "source ${accountFilename (builtins.head primary)}";
+        ${cfg.extraConfig}
+      '' + concatMapStringsSep "\n" registerAccount neomuttAccounts +
+      # source primary account
+      "source ${accountFilename (builtins.head primary)}";
     };
   };
 }
diff --git a/modules/programs/newsboat.nix b/modules/programs/newsboat.nix
index 19fec642..6b59ed71 100644
--- a/modules/programs/newsboat.nix
+++ b/modules/programs/newsboat.nix
@@ -4,11 +4,9 @@ with lib;
 
 let
   cfg = config.programs.newsboat;
-  wrapQuote = x: "\"${x}\"";
+  wrapQuote = x: ''"${x}"'';
 
-in
-
-{
+in {
   options = {
     programs.newsboat = {
       enable = mkEnableOption "the Newsboat feed reader";
@@ -24,8 +22,8 @@ in
 
             tags = mkOption {
               type = types.listOf types.str;
-              default = [];
-              example = ["foo" "bar"];
+              default = [ ];
+              example = [ "foo" "bar" ];
               description = "Feed tags.";
             };
 
@@ -37,8 +35,11 @@ in
             };
           };
         });
-        default = [];
-        example = [{url = "http://example.com"; tags = ["foo" "bar"];}];
+        default = [ ];
+        example = [{
+          url = "http://example.com";
+          tags = [ "foo" "bar" ];
+        }];
         description = "List of news feeds.";
       };
 
@@ -57,7 +58,9 @@ in
       autoReload = mkOption {
         type = types.bool;
         default = false;
-        description = "Whether to enable automatic reloading while newsboat is running.";
+        description = ''
+          Whether to enable automatic reloading while newsboat is running.
+        '';
       };
 
       reloadTime = mkOption {
@@ -74,43 +77,40 @@ in
 
       queries = mkOption {
         type = types.attrsOf types.str;
-        default = {};
-        example = {
-          "foo" = "rssurl =~ \"example.com\"";
-        };
+        default = { };
+        example = { "foo" = ''rssurl =~ "example.com"''; };
         description = "A list of queries to use.";
       };
 
       extraConfig = mkOption {
         type = types.lines;
         default = "";
-        description = "Extra configuration values that will be appended to the end.";
+        description = ''
+          Extra configuration values that will be appended to the end.
+        '';
       };
     };
   };
 
   config = mkIf cfg.enable {
     home.packages = [ pkgs.newsboat ];
-    home.file.".newsboat/urls".text =
-      let
-        mkUrlEntry = u: concatStringsSep " " (
-          [u.url]
-          ++ map wrapQuote u.tags
-          ++ optional (u.title != null) (wrapQuote "~${u.title}")
-        );
-        urls = map mkUrlEntry cfg.urls;
+    home.file.".newsboat/urls".text = let
+      mkUrlEntry = u:
+        concatStringsSep " " ([ u.url ] ++ map wrapQuote u.tags
+          ++ optional (u.title != null) (wrapQuote "~${u.title}"));
+      urls = map mkUrlEntry cfg.urls;
 
-        mkQueryEntry = n: v: "\"query:${n}:${escape ["\""] v}\"";
-        queries = mapAttrsToList mkQueryEntry cfg.queries;
-      in
-        concatStringsSep "\n" (urls ++ queries) + "\n";
+      mkQueryEntry = n: v: ''"query:${n}:${escape [ ''"'' ] v}"'';
+      queries = mapAttrsToList mkQueryEntry cfg.queries;
+    in concatStringsSep "\n" (urls ++ queries) + "\n";
 
     home.file.".newsboat/config".text = ''
       max-items ${toString cfg.maxItems}
       browser ${cfg.browser}
       reload-threads ${toString cfg.reloadThreads}
       auto-reload ${if cfg.autoReload then "yes" else "no"}
-      ${optionalString (cfg.reloadTime != null) (toString "reload-time ${toString cfg.reloadTime}")}
+      ${optionalString (cfg.reloadTime != null)
+      (toString "reload-time ${toString cfg.reloadTime}")}
       prepopulate-query-feeds yes
 
       ${cfg.extraConfig}
diff --git a/modules/programs/noti.nix b/modules/programs/noti.nix
index 476c2eb1..348555ee 100644
--- a/modules/programs/noti.nix
+++ b/modules/programs/noti.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ...}:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.noti;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.noti = {
@@ -16,7 +14,7 @@ in
 
     settings = mkOption {
       type = types.attrsOf (types.attrsOf types.str);
-      default = {};
+      default = { };
       description = ''
         Configuration written to
         <filename>~/.config/noti/noti.yaml</filename>.
@@ -45,9 +43,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.noti ];
 
-    xdg.configFile."noti/noti.yaml" = mkIf (cfg.settings != {}) {
-      text = generators.toYAML {} cfg.settings;
-    };
+    xdg.configFile."noti/noti.yaml" =
+      mkIf (cfg.settings != { }) { text = generators.toYAML { } cfg.settings; };
   };
 
 }
diff --git a/modules/programs/notmuch-accounts.nix b/modules/programs/notmuch-accounts.nix
index 7c9c93d3..fd4a811d 100644
--- a/modules/programs/notmuch-accounts.nix
+++ b/modules/programs/notmuch-accounts.nix
@@ -1,7 +1,5 @@
 { lib, ... }:
 
 {
-  options.notmuch = {
-    enable = lib.mkEnableOption "notmuch indexing";
-  };
+  options.notmuch = { enable = lib.mkEnableOption "notmuch indexing"; };
 }
diff --git a/modules/programs/notmuch.nix b/modules/programs/notmuch.nix
index 74aa9320..7e7a140b 100644
--- a/modules/programs/notmuch.nix
+++ b/modules/programs/notmuch.nix
@@ -9,53 +9,42 @@ let
   mkIniKeyValue = key: value:
     let
       tweakVal = v:
-        if isString v then v
-        else if isList v then concatMapStringsSep ";" tweakVal v
-        else if isBool v then (if v then "true" else "false")
-        else toString v;
-    in
-      "${key}=${tweakVal value}";
+        if isString v then
+          v
+        else if isList v then
+          concatMapStringsSep ";" tweakVal v
+        else if isBool v then
+          (if v then "true" else "false")
+        else
+          toString v;
+    in "${key}=${tweakVal value}";
 
-  notmuchIni =
-    recursiveUpdate
-      {
-        database = {
-          path = config.accounts.email.maildirBasePath;
-        };
+  notmuchIni = recursiveUpdate {
+    database = { path = config.accounts.email.maildirBasePath; };
 
-        maildir = {
-          synchronize_flags = cfg.maildir.synchronizeFlags;
-        };
+    maildir = { synchronize_flags = cfg.maildir.synchronizeFlags; };
 
-        new = {
-          ignore = cfg.new.ignore;
-          tags = cfg.new.tags;
-        };
+    new = {
+      ignore = cfg.new.ignore;
+      tags = cfg.new.tags;
+    };
 
-        user =
-          let
-            accounts =
-              filter (a: a.notmuch.enable)
-              (attrValues config.accounts.email.accounts);
-            primary = filter (a: a.primary) accounts;
-            secondaries = filter (a: !a.primary) accounts;
-          in {
-            name = catAttrs "realName" primary;
-            primary_email = catAttrs "address" primary;
-            other_email = catAttrs "aliases" primary
-              ++ catAttrs "address" secondaries
-              ++ catAttrs "aliases" secondaries;
-          };
+    user = let
+      accounts = filter (a: a.notmuch.enable)
+        (attrValues config.accounts.email.accounts);
+      primary = filter (a: a.primary) accounts;
+      secondaries = filter (a: !a.primary) accounts;
+    in {
+      name = catAttrs "realName" primary;
+      primary_email = catAttrs "address" primary;
+      other_email = catAttrs "aliases" primary ++ catAttrs "address" secondaries
+        ++ catAttrs "aliases" secondaries;
+    };
 
-        search = {
-          exclude_tags = cfg.search.excludeTags;
-        };
-      }
-      cfg.extraConfig;
+    search = { exclude_tags = cfg.search.excludeTags; };
+  } cfg.extraConfig;
 
-in
-
-{
+in {
   options = {
     programs.notmuch = {
       enable = mkEnableOption "Notmuch mail indexer";
@@ -65,7 +54,7 @@ in
           options = {
             ignore = mkOption {
               type = types.listOf types.str;
-              default = [];
+              default = [ ];
               description = ''
                 A list to specify files and directories that will not be
                 searched for messages by <command>notmuch new</command>.
@@ -83,7 +72,7 @@ in
             };
           };
         };
-        default = {};
+        default = { };
         description = ''
           Options related to email processing performed by
           <command>notmuch new</command>.
@@ -92,7 +81,7 @@ in
 
       extraConfig = mkOption {
         type = types.attrsOf (types.attrsOf types.str);
-        default = {};
+        default = { };
         description = ''
           Options that should be appended to the notmuch configuration file.
         '';
@@ -159,11 +148,11 @@ in
   config = mkIf cfg.enable {
     assertions = [
       {
-        assertion = notmuchIni.user.name != [];
+        assertion = notmuchIni.user.name != [ ];
         message = "notmuch: Must have a user name set.";
       }
       {
-        assertion = notmuchIni.user.primary_email != [];
+        assertion = notmuchIni.user.primary_email != [ ];
         message = "notmuch: Must have a user primary email address set.";
       }
     ];
@@ -176,33 +165,27 @@ in
     };
 
     xdg.configFile."notmuch/notmuchrc".text =
-      let
-        toIni = generators.toINI { mkKeyValue = mkIniKeyValue; };
-      in
-        "# Generated by Home Manager.\n\n"
-        + toIni notmuchIni;
+      let toIni = generators.toINI { mkKeyValue = mkIniKeyValue; };
+      in ''
+        # Generated by Home Manager.
 
-    home.file =
-      let
-        hook = name: cmds:
-          {
-            "${notmuchIni.database.path}/.notmuch/hooks/${name}".source =
-              pkgs.writeShellScript name ''
-                export PATH="${pkgs.notmuch}/bin''${PATH:+:}$PATH"
-                export NOTMUCH_CONFIG="${config.xdg.configHome}/notmuch/notmuchrc"
-                export NMBGIT="${config.xdg.dataHome}/notmuch/nmbug"
+      '' + toIni notmuchIni;
 
-                ${cmds}
-              '';
-          };
-      in
-        optionalAttrs (cfg.hooks.preNew != "")
-          (hook "pre-new" cfg.hooks.preNew)
-        //
-        optionalAttrs (cfg.hooks.postNew != "")
-          (hook "post-new" cfg.hooks.postNew)
-        //
-        optionalAttrs (cfg.hooks.postInsert != "")
-          (hook "post-insert" cfg.hooks.postInsert);
+    home.file = let
+      hook = name: cmds: {
+        "${notmuchIni.database.path}/.notmuch/hooks/${name}".source =
+          pkgs.writeShellScript name ''
+            export PATH="${pkgs.notmuch}/bin''${PATH:+:}$PATH"
+            export NOTMUCH_CONFIG="${config.xdg.configHome}/notmuch/notmuchrc"
+            export NMBGIT="${config.xdg.dataHome}/notmuch/nmbug"
+
+            ${cmds}
+          '';
+      };
+    in optionalAttrs (cfg.hooks.preNew != "") (hook "pre-new" cfg.hooks.preNew)
+    // optionalAttrs (cfg.hooks.postNew != "")
+    (hook "post-new" cfg.hooks.postNew)
+    // optionalAttrs (cfg.hooks.postInsert != "")
+    (hook "post-insert" cfg.hooks.postInsert);
   };
 }
diff --git a/modules/programs/obs-studio.nix b/modules/programs/obs-studio.nix
index f0dfecb6..6df59783 100644
--- a/modules/programs/obs-studio.nix
+++ b/modules/programs/obs-studio.nix
@@ -11,23 +11,18 @@ let
     let
       pluginDirs = map (pkg: "${pkg}/share/obs/obs-plugins") packages;
       plugins = concatMapStringsSep " " (p: "${p}/*") pluginDirs;
-    in
-      pkgs.runCommand "obs-studio-plugins"
-        {
-          preferLocalBuild = true;
-          allowSubstitutes = false;
-        }
-        ''
-          mkdir $out
-          [[ '${plugins}' ]] || exit 0
-          for plugin in ${plugins}; do
-            ln -s "$plugin" $out/
-          done
-        '';
+    in pkgs.runCommand "obs-studio-plugins" {
+      preferLocalBuild = true;
+      allowSubstitutes = false;
+    } ''
+      mkdir $out
+      [[ '${plugins}' ]] || exit 0
+      for plugin in ${plugins}; do
+        ln -s "$plugin" $out/
+      done
+    '';
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.adisbladis ];
 
   options = {
@@ -35,7 +30,7 @@ in
       enable = mkEnableOption "obs-studio";
 
       plugins = mkOption {
-        default = [];
+        default = [ ];
         example = literalExample "[ pkgs.obs-linuxbrowser ]";
         description = "Optional OBS plugins.";
         type = types.listOf types.package;
@@ -46,8 +41,7 @@ in
   config = mkIf cfg.enable {
     home.packages = [ package ];
 
-    xdg.configFile."obs-studio/plugins" = mkIf (cfg.plugins != []) {
-      source = mkPluginEnv cfg.plugins;
-    };
+    xdg.configFile."obs-studio/plugins" =
+      mkIf (cfg.plugins != [ ]) { source = mkPluginEnv cfg.plugins; };
   };
 }
diff --git a/modules/programs/offlineimap-accounts.nix b/modules/programs/offlineimap-accounts.nix
index 015a5974..afc7a019 100644
--- a/modules/programs/offlineimap-accounts.nix
+++ b/modules/programs/offlineimap-accounts.nix
@@ -6,18 +6,14 @@ let
 
   extraConfigType = with types; attrsOf (either (either str int) bool);
 
-in
-
-{
+in {
   options.offlineimap = {
     enable = mkEnableOption "OfflineIMAP";
 
     extraConfig.account = mkOption {
       type = extraConfigType;
-      default = {};
-      example = {
-        autorefresh = 20;
-      };
+      default = { };
+      example = { autorefresh = 20; };
       description = ''
         Extra configuration options to add to the account section.
       '';
@@ -25,10 +21,8 @@ in
 
     extraConfig.local = mkOption {
       type = extraConfigType;
-      default = {};
-      example = {
-        sync_deletes = true;
-      };
+      default = { };
+      example = { sync_deletes = true; };
       description = ''
         Extra configuration options to add to the local account
         section.
@@ -37,7 +31,7 @@ in
 
     extraConfig.remote = mkOption {
       type = extraConfigType;
-      default = {};
+      default = { };
       example = {
         maxconnections = 2;
         expunge = false;
diff --git a/modules/programs/offlineimap.nix b/modules/programs/offlineimap.nix
index 82143b63..4ce12ec0 100644
--- a/modules/programs/offlineimap.nix
+++ b/modules/programs/offlineimap.nix
@@ -12,11 +12,11 @@ let
   toIni = generators.toINI {
     mkKeyValue = key: value:
       let
-        value' =
-          if isBool value then (if value then "yes" else "no")
-          else toString value;
-      in
-        "${key} = ${value'}";
+        value' = if isBool value then
+          (if value then "yes" else "no")
+        else
+          toString value;
+      in "${key} = ${value'}";
   };
 
   # Generates a script to fetch only a specific account.
@@ -29,90 +29,65 @@ let
   # Something like
   #
   #     $ email <account name> <program name> <program args>
-  genOfflineImapScript = account: with account;
+  genOfflineImapScript = account:
+    with account;
     pkgs.writeShellScriptBin "offlineimap-${name}" ''
       exec ${pkgs.offlineimap}/bin/offlineimap -a${account.name} "$@"
     '';
 
-  accountStr = account: with account;
+  accountStr = account:
+    with account;
     let
       postSyncHook = optionalAttrs (offlineimap.postSyncHookCommand != "") {
-        postsynchook =
-          pkgs.writeShellScriptBin
-            "postsynchook"
-            offlineimap.postSyncHookCommand
-          + "/bin/postsynchook";
+        postsynchook = pkgs.writeShellScriptBin "postsynchook"
+          offlineimap.postSyncHookCommand + "/bin/postsynchook";
       };
 
       localType =
-        if account.flavor == "gmail.com"
-        then "GmailMaildir"
-        else "Maildir";
+        if account.flavor == "gmail.com" then "GmailMaildir" else "Maildir";
 
-      remoteType =
-        if account.flavor == "gmail.com"
-        then "Gmail"
-        else "IMAP";
+      remoteType = if account.flavor == "gmail.com" then "Gmail" else "IMAP";
 
-      remoteHost = optionalAttrs (imap.host != null) {
-        remotehost = imap.host;
+      remoteHost =
+        optionalAttrs (imap.host != null) { remotehost = imap.host; };
+
+      remotePort =
+        optionalAttrs ((imap.port or null) != null) { remoteport = imap.port; };
+
+      ssl = if imap.tls.enable then {
+        ssl = true;
+        sslcacertfile = imap.tls.certificatesFile;
+        starttls = imap.tls.useStartTls;
+      } else {
+        ssl = false;
       };
 
-      remotePort = optionalAttrs ((imap.port or null) != null) {
-        remoteport = imap.port;
-      };
-
-      ssl =
-        if imap.tls.enable
-        then
-          {
-            ssl = true;
-            sslcacertfile = imap.tls.certificatesFile;
-            starttls = imap.tls.useStartTls;
-          }
-        else
-          {
-            ssl = false;
-          };
-
       remotePassEval =
-        let
-          arglist = concatMapStringsSep "," (x: "'${x}'") passwordCommand;
-        in
-          optionalAttrs (passwordCommand != null) {
-            remotepasseval = ''get_pass("${name}", [${arglist}])'';
-          };
-    in
-      toIni {
-        "Account ${name}" = {
-          localrepository = "${name}-local";
-          remoterepository = "${name}-remote";
-        }
-        // postSyncHook
-        // offlineimap.extraConfig.account;
+        let arglist = concatMapStringsSep "," (x: "'${x}'") passwordCommand;
+        in optionalAttrs (passwordCommand != null) {
+          remotepasseval = ''get_pass("${name}", [${arglist}])'';
+        };
+    in toIni {
+      "Account ${name}" = {
+        localrepository = "${name}-local";
+        remoterepository = "${name}-remote";
+      } // postSyncHook // offlineimap.extraConfig.account;
 
-        "Repository ${name}-local" = {
-          type = localType;
-          localfolders = maildir.absPath;
-        }
-        // offlineimap.extraConfig.local;
+      "Repository ${name}-local" = {
+        type = localType;
+        localfolders = maildir.absPath;
+      } // offlineimap.extraConfig.local;
 
-        "Repository ${name}-remote" = {
-          type = remoteType;
-          remoteuser = userName;
-        }
-        // remoteHost
-        // remotePort
-        // remotePassEval
-        // ssl
+      "Repository ${name}-remote" = {
+        type = remoteType;
+        remoteuser = userName;
+      } // remoteHost // remotePort // remotePassEval // ssl
         // offlineimap.extraConfig.remote;
-      };
+    };
 
   extraConfigType = with types; attrsOf (either (either str int) bool);
 
-in
-
-{
+in {
   options = {
     programs.offlineimap = {
       enable = mkEnableOption "OfflineIMAP";
@@ -133,7 +108,7 @@ in
 
       extraConfig.general = mkOption {
         type = extraConfigType;
-        default = {};
+        default = { };
         example = {
           maxage = 30;
           ui = "blinkenlights";
@@ -146,10 +121,8 @@ in
 
       extraConfig.default = mkOption {
         type = extraConfigType;
-        default = {};
-        example = {
-          gmailtrashfolder = "[Gmail]/Papierkorb";
-        };
+        default = { };
+        example = { gmailtrashfolder = "[Gmail]/Papierkorb"; };
         description = ''
           Extra configuration options added to the
           <option>DEFAULT</option> section.
@@ -158,7 +131,7 @@ in
 
       extraConfig.mbnames = mkOption {
         type = extraConfigType;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             filename = "~/.config/mutt/mailboxes";
@@ -181,27 +154,20 @@ in
 
     xdg.configFile."offlineimap/get_settings.py".text = cfg.pythonFile;
 
-    xdg.configFile."offlineimap/config".text =
-      ''
-        # Generated by Home Manager.
-        # See https://github.com/OfflineIMAP/offlineimap/blob/master/offlineimap.conf
-        # for an exhaustive list of options.
-      ''
-      + toIni ({
-        general = {
-          accounts = concatMapStringsSep "," (a: a.name) accounts;
-          pythonfile = "${config.xdg.configHome}/offlineimap/get_settings.py";
-          metadata = "${config.xdg.dataHome}/offlineimap";
-        }
-        // cfg.extraConfig.general;
-      }
-      // optionalAttrs (cfg.extraConfig.mbnames != {}) {
-        mbnames = { enabled = true; } // cfg.extraConfig.mbnames;
-      }
-      // optionalAttrs (cfg.extraConfig.default != {}) {
-        DEFAULT = cfg.extraConfig.default;
-      })
-      + "\n"
-      + concatStringsSep "\n" (map accountStr accounts);
+    xdg.configFile."offlineimap/config".text = ''
+      # Generated by Home Manager.
+      # See https://github.com/OfflineIMAP/offlineimap/blob/master/offlineimap.conf
+      # for an exhaustive list of options.
+    '' + toIni ({
+      general = {
+        accounts = concatMapStringsSep "," (a: a.name) accounts;
+        pythonfile = "${config.xdg.configHome}/offlineimap/get_settings.py";
+        metadata = "${config.xdg.dataHome}/offlineimap";
+      } // cfg.extraConfig.general;
+    } // optionalAttrs (cfg.extraConfig.mbnames != { }) {
+      mbnames = { enabled = true; } // cfg.extraConfig.mbnames;
+    } // optionalAttrs (cfg.extraConfig.default != { }) {
+      DEFAULT = cfg.extraConfig.default;
+    }) + "\n" + concatStringsSep "\n" (map accountStr accounts);
   };
 }
diff --git a/modules/programs/opam.nix b/modules/programs/opam.nix
index 4de2e82d..a61ff787 100644
--- a/modules/programs/opam.nix
+++ b/modules/programs/opam.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.opam;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.opam = {
diff --git a/modules/programs/password-store.nix b/modules/programs/password-store.nix
index a15f002c..db31146a 100644
--- a/modules/programs/password-store.nix
+++ b/modules/programs/password-store.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.password-store;
 
-in
-
-{
+in {
   meta.maintainers = with maintainers; [ pacien ];
 
   options.programs.password-store = {
diff --git a/modules/programs/pazi.nix b/modules/programs/pazi.nix
index decc0d9d..e1a08eb6 100644
--- a/modules/programs/pazi.nix
+++ b/modules/programs/pazi.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.pazi;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.pazi = {
diff --git a/modules/programs/pidgin.nix b/modules/programs/pidgin.nix
index 8dcb2122..a375fd1b 100644
--- a/modules/programs/pidgin.nix
+++ b/modules/programs/pidgin.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.pidgin;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -23,7 +21,7 @@ in
       };
 
       plugins = mkOption {
-        default = [];
+        default = [ ];
         example = literalExample "[ pkgs.pidgin-otr pkgs.pidgin-osd ]";
         description = "Plugins that should be available to Pidgin.";
       };
diff --git a/modules/programs/readline.nix b/modules/programs/readline.nix
index 35cbab5f..a7ff5f59 100644
--- a/modules/programs/readline.nix
+++ b/modules/programs/readline.nix
@@ -9,32 +9,34 @@ let
   mkSetVariableStr = n: v:
     let
       mkValueStr = v:
-        if v == true then "on"
-        else if v == false then "off"
-        else if isInt v then toString v
-        else if isString v then v
-        else abort ("values ${toPretty v} is of unsupported type");
-    in
-      "set ${n} ${mkValueStr v}";
+        if v == true then
+          "on"
+        else if v == false then
+          "off"
+        else if isInt v then
+          toString v
+        else if isString v then
+          v
+        else
+          abort ("values ${toPretty v} is of unsupported type");
+    in "set ${n} ${mkValueStr v}";
 
-  mkBindingStr = k: v: "\"${k}\": ${v}";
+  mkBindingStr = k: v: ''"${k}": ${v}'';
 
-in
-
-{
+in {
   options.programs.readline = {
     enable = mkEnableOption "readline";
 
     bindings = mkOption {
-      default = {};
+      default = { };
       type = types.attrsOf types.str;
-      example = { "\C-h" = "backward-kill-word"; };
+      example = { "\\C-h" = "backward-kill-word"; };
       description = "Readline bindings.";
     };
 
     variables = mkOption {
       type = with types; attrsOf (either str (either int bool));
-      default = {};
+      default = { };
       example = { expand-tilde = true; };
       description = ''
         Readline customization variable assignments.
@@ -58,19 +60,16 @@ in
   };
 
   config = mkIf cfg.enable {
-    home.file.".inputrc".text =
-      let
-        configStr = concatStringsSep "\n" (
-          optional cfg.includeSystemConfig "$include /etc/inputrc"
+    home.file.".inputrc".text = let
+      configStr = concatStringsSep "\n"
+        (optional cfg.includeSystemConfig "$include /etc/inputrc"
           ++ mapAttrsToList mkSetVariableStr cfg.variables
-          ++ mapAttrsToList mkBindingStr cfg.bindings
-        );
-      in
-        ''
-          # Generated by Home Manager.
+          ++ mapAttrsToList mkBindingStr cfg.bindings);
+    in ''
+      # Generated by Home Manager.
 
-          ${configStr}
-          ${cfg.extraConfig}
-        '';
+      ${configStr}
+      ${cfg.extraConfig}
+    '';
   };
 }
diff --git a/modules/programs/rofi.nix b/modules/programs/rofi.nix
index e64e5d47..f344e88e 100644
--- a/modules/programs/rofi.nix
+++ b/modules/programs/rofi.nix
@@ -7,10 +7,11 @@ let
 
   cfg = config.programs.rofi;
 
-  colorOption = description: mkOption {
-    type = types.str;
-    description = description;
-  };
+  colorOption = description:
+    mkOption {
+      type = types.str;
+      description = description;
+    };
 
   rowColorSubmodule = types.submodule {
     options = {
@@ -71,72 +72,64 @@ let
   };
 
   valueToString = value:
-    if isBool value
-      then (if value then "true" else "else")
-      else toString value;
+    if isBool value then (if value then "true" else "else") else toString value;
 
-  windowColorsToString = window: concatStringsSep ", " (with window; [
-    background
-    border
-    separator
-  ]);
+  windowColorsToString = window:
+    concatStringsSep ", " (with window; [ background border separator ]);
 
   rowsColorsToString = rows: ''
-    ${optionalString
-        (rows.normal != null)
-        (setOption "color-normal" (rowColorsToString rows.normal))}
-    ${optionalString
-        (rows.active != null)
-        (setOption "color-active" (rowColorsToString rows.active))}
-    ${optionalString
-        (rows.urgent != null)
-        (setOption "color-urgent" (rowColorsToString rows.urgent))}
+    ${optionalString (rows.normal != null)
+    (setOption "color-normal" (rowColorsToString rows.normal))}
+    ${optionalString (rows.active != null)
+    (setOption "color-active" (rowColorsToString rows.active))}
+    ${optionalString (rows.urgent != null)
+    (setOption "color-urgent" (rowColorsToString rows.urgent))}
   '';
 
-  rowColorsToString = row: concatStringsSep ", " (with row; [
-    background
-    foreground
-    backgroundAlt
-    highlight.background
-    highlight.foreground
-  ]);
+  rowColorsToString = row:
+    concatStringsSep ", " (with row; [
+      background
+      foreground
+      backgroundAlt
+      highlight.background
+      highlight.foreground
+    ]);
 
   setOption = name: value:
     optionalString (value != null) "rofi.${name}: ${valueToString value}";
 
-  setColorScheme = colors: optionalString (colors != null) ''
-    ${optionalString
-        (colors.window != null)
-        setOption "color-window" (windowColorsToString colors.window)}
-    ${optionalString
-        (colors.rows != null)
-        (rowsColorsToString colors.rows)}
-  '';
+  setColorScheme = colors:
+    optionalString (colors != null) ''
+      ${optionalString (colors.window != null) setOption "color-window"
+      (windowColorsToString colors.window)}
+      ${optionalString (colors.rows != null) (rowsColorsToString colors.rows)}
+    '';
 
   locationsMap = {
-    center       = 0;
-    top-left     = 1;
-    top          = 2;
-    top-right    = 3;
-    right        = 4;
+    center = 0;
+    top-left = 1;
+    top = 2;
+    top-right = 3;
+    right = 4;
     bottom-right = 5;
-    bottom       = 6;
-    bottom-left  = 7;
-    left         = 8;
+    bottom = 6;
+    bottom-left = 7;
+    left = 8;
   };
 
-  themeName =
-    if (cfg.theme == null) then null
-    else if (lib.isString cfg.theme) then cfg.theme
-    else lib.removeSuffix ".rasi" (baseNameOf cfg.theme);
+  themeName = if (cfg.theme == null) then
+    null
+  else if (lib.isString cfg.theme) then
+    cfg.theme
+  else
+    lib.removeSuffix ".rasi" (baseNameOf cfg.theme);
 
   themePath = if (lib.isString cfg.theme) then null else cfg.theme;
 
-in
-
-{
+in {
   options.programs.rofi = {
-    enable = mkEnableOption "Rofi: A window switcher, application launcher and dmenu replacement";
+    enable = mkEnableOption
+      "Rofi: A window switcher, application launcher and dmenu replacement";
 
     width = mkOption {
       default = null;
@@ -295,14 +288,12 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion = cfg.theme == null || cfg.colors == null;
-        message = ''
-          Cannot use the rofi options 'theme' and 'colors' simultaneously.
-        '';
-      }
-    ];
+    assertions = [{
+      assertion = cfg.theme == null || cfg.colors == null;
+      message = ''
+        Cannot use the rofi options 'theme' and 'colors' simultaneously.
+      '';
+    }];
 
     home.packages = [ pkgs.rofi ];
 
@@ -314,11 +305,8 @@ in
       ${setOption "eh" cfg.rowHeight}
       ${setOption "padding" cfg.padding}
       ${setOption "separator-style" cfg.separator}
-      ${setOption "hide-scrollbar" (
-        if (cfg.scrollbar != null)
-        then (! cfg.scrollbar)
-        else cfg.scrollbar
-      )}
+      ${setOption "hide-scrollbar"
+      (if (cfg.scrollbar != null) then (!cfg.scrollbar) else cfg.scrollbar)}
       ${setOption "terminal" cfg.terminal}
       ${setOption "cycle" cfg.cycle}
       ${setOption "fullscreen" cfg.fullscreen}
@@ -333,7 +321,7 @@ in
     '';
 
     xdg.dataFile = mkIf (themePath != null) {
-      "rofi/themes/${themeName}.rasi".source =  themePath;
+      "rofi/themes/${themeName}.rasi".source = themePath;
     };
   };
 }
diff --git a/modules/programs/rtorrent.nix b/modules/programs/rtorrent.nix
index 6300969a..7beeb2e4 100644
--- a/modules/programs/rtorrent.nix
+++ b/modules/programs/rtorrent.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.rtorrent;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.rtorrent = {
@@ -30,8 +28,7 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.rtorrent ];
 
-    xdg.configFile."rtorrent/rtorrent.rc" = mkIf (cfg.settings != "") {
-      text = cfg.settings;
-    };
+    xdg.configFile."rtorrent/rtorrent.rc" =
+      mkIf (cfg.settings != "") { text = cfg.settings; };
   };
 }
diff --git a/modules/programs/skim.nix b/modules/programs/skim.nix
index de1bff30..c90fe1b1 100644
--- a/modules/programs/skim.nix
+++ b/modules/programs/skim.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.skim;
 
-in
-
-{
+in {
   options.programs.skim = {
     enable = mkEnableOption "skim - a command-line fuzzy finder";
 
@@ -24,7 +22,7 @@ in
 
     defaultOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--height 40%" "--prompt ⟫" ];
       description = ''
         Extra command line options given to skim by default.
@@ -43,7 +41,7 @@ in
 
     fileWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'head {}'" ];
       description = ''
         Command line options for the CTRL-T keybinding.
@@ -53,7 +51,7 @@ in
     changeDirWidgetCommand = mkOption {
       type = types.nullOr types.str;
       default = null;
-      example = "fd --type d" ;
+      example = "fd --type d";
       description = ''
         The command that gets executed as the source for skim for the
         ALT-C keybinding.
@@ -62,7 +60,7 @@ in
 
     changeDirWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--preview 'tree -C {} | head -200'" ];
       description = ''
         Command line options for the ALT-C keybinding.
@@ -71,7 +69,7 @@ in
 
     historyWidgetOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "--tac" "--exact" ];
       description = ''
         Command line options for the CTRL-R keybinding.
@@ -98,18 +96,16 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.skim ];
 
-    home.sessionVariables =
-      mapAttrs (n: v: toString v) (
-        filterAttrs (n: v: v != [] && v != null) {
-          SKIM_ALT_C_COMMAND = cfg.changeDirWidgetCommand;
-          SKIM_ALT_C_OPTS = cfg.changeDirWidgetOptions;
-          SKIM_CTRL_R_OPTS = cfg.historyWidgetOptions;
-          SKIM_CTRL_T_COMMAND = cfg.fileWidgetCommand;
-          SKIM_CTRL_T_OPTS = cfg.fileWidgetOptions;
-          SKIM_DEFAULT_COMMAND = cfg.defaultCommand;
-          SKIM_DEFAULT_OPTIONS = cfg.defaultOptions;
-        }
-      );
+    home.sessionVariables = mapAttrs (n: v: toString v)
+      (filterAttrs (n: v: v != [ ] && v != null) {
+        SKIM_ALT_C_COMMAND = cfg.changeDirWidgetCommand;
+        SKIM_ALT_C_OPTS = cfg.changeDirWidgetOptions;
+        SKIM_CTRL_R_OPTS = cfg.historyWidgetOptions;
+        SKIM_CTRL_T_COMMAND = cfg.fileWidgetCommand;
+        SKIM_CTRL_T_OPTS = cfg.fileWidgetOptions;
+        SKIM_DEFAULT_COMMAND = cfg.defaultCommand;
+        SKIM_DEFAULT_OPTIONS = cfg.defaultOptions;
+      });
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
       if [[ :$SHELLOPTS: =~ :(vi|emacs): ]]; then
diff --git a/modules/programs/starship.nix b/modules/programs/starship.nix
index db7cf926..7c781986 100644
--- a/modules/programs/starship.nix
+++ b/modules/programs/starship.nix
@@ -7,20 +7,17 @@ let
   cfg = config.programs.starship;
 
   configFile = config:
-    pkgs.runCommand "config.toml"
-      {
-        buildInputs = [ pkgs.remarshal ];
-        preferLocalBuild = true;
-        allowSubstitutes = false;
-      }
-      ''
-        remarshal -if json -of toml \
-          < ${pkgs.writeText "config.json" (builtins.toJSON config)} \
-          > $out
-      '';
-in
+    pkgs.runCommand "config.toml" {
+      buildInputs = [ pkgs.remarshal ];
+      preferLocalBuild = true;
+      allowSubstitutes = false;
+    } ''
+      remarshal -if json -of toml \
+        < ${pkgs.writeText "config.json" (builtins.toJSON config)} \
+        > $out
+    '';
 
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.starship = {
@@ -35,7 +32,7 @@ in
 
     settings = mkOption {
       type = types.attrs;
-      default = {};
+      default = { };
       description = ''
         Configuration written to
         <filename>~/.config/starship.toml</filename>.
@@ -73,9 +70,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    xdg.configFile."starship.toml" = mkIf (cfg.settings != {}) {
-      source = configFile cfg.settings;
-    };
+    xdg.configFile."starship.toml" =
+      mkIf (cfg.settings != { }) { source = configFile cfg.settings; };
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
       if [[ -z $INSIDE_EMACS ]]; then
diff --git a/modules/programs/taskwarrior.nix b/modules/programs/taskwarrior.nix
index eeacc77d..cf95511f 100644
--- a/modules/programs/taskwarrior.nix
+++ b/modules/programs/taskwarrior.nix
@@ -9,38 +9,39 @@ let
   themePath = theme: "${pkgs.taskwarrior}/share/doc/task/rc/${theme}.theme";
 
   includeTheme = location:
-    if location == null then ""
-    else if isString location then "include ${themePath location}"
-    else "include ${location}";
+    if location == null then
+      ""
+    else if isString location then
+      "include ${themePath location}"
+    else
+      "include ${location}";
 
   formatValue = value:
-    if isBool value then if value then "true" else "false"
-    else if isList value then concatMapStringsSep "," formatValue value
-    else toString value;
+    if isBool value then
+      if value then "true" else "false"
+    else if isList value then
+      concatMapStringsSep "," formatValue value
+    else
+      toString value;
 
-  formatLine = key: value:
-    "${key}=${formatValue value}";
+  formatLine = key: value: "${key}=${formatValue value}";
 
   formatSet = key: values:
     (concatStringsSep "\n"
-      (mapAttrsToList
-        (subKey: subValue: formatPair "${key}.${subKey}" subValue)
+      (mapAttrsToList (subKey: subValue: formatPair "${key}.${subKey}" subValue)
         values));
 
   formatPair = key: value:
-    if isAttrs value then formatSet key value
-    else formatLine key value;
+    if isAttrs value then formatSet key value else formatLine key value;
 
-in
-
-{
+in {
   options = {
     programs.taskwarrior = {
       enable = mkEnableOption "Task Warrior";
 
       config = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             confirmation = false;
@@ -103,8 +104,7 @@ in
       data.location=${cfg.dataLocation}
       ${includeTheme cfg.colorTheme}
 
-      ${concatStringsSep "\n" (
-        mapAttrsToList formatPair cfg.config)}
+      ${concatStringsSep "\n" (mapAttrsToList formatPair cfg.config)}
 
       ${cfg.extraConfig}
     '';
diff --git a/modules/programs/termite.nix b/modules/programs/termite.nix
index 4d66fc42..8a05db03 100644
--- a/modules/programs/termite.nix
+++ b/modules/programs/termite.nix
@@ -13,9 +13,7 @@ let
     fi
   '';
 
-in
-
-{
+in {
   options = {
     programs.termite = {
       enable = mkEnableOption "Termite VTE-based terminal";
@@ -61,7 +59,9 @@ in
       mouseAutohide = mkOption {
         default = null;
         type = types.nullOr types.bool;
-        description = "Automatically hide the mouse pointer when you start typing.";
+        description = ''
+          Automatically hide the mouse pointer when you start typing.
+        '';
       };
 
       scrollOnOutput = mkOption {
@@ -73,7 +73,9 @@ in
       scrollOnKeystroke = mkOption {
         default = null;
         type = types.nullOr types.bool;
-        description = "Scroll to the bottom automatically when a key is pressed.";
+        description = ''
+          Scroll to the bottom automatically when a key is pressed.
+        '';
       };
 
       searchWrap = mkOption {
@@ -106,14 +108,16 @@ in
         default = null;
         example = "terminal";
         type = types.nullOr types.str;
-        description = "The name of the icon to be used for the terminal process.";
+        description =
+          "The name of the icon to be used for the terminal process.";
       };
 
       scrollbackLines = mkOption {
         default = null;
         example = 10000;
         type = types.nullOr types.int;
-        description = "Set the number of lines to limit the terminal's scrollback.";
+        description =
+          "Set the number of lines to limit the terminal's scrollback.";
       };
 
       browser = mkOption {
@@ -149,7 +153,8 @@ in
       filterUnmatchedUrls = mkOption {
         default = null;
         type = types.nullOr types.bool;
-        description = "Whether to hide url hints not matching input in url hints mode.";
+        description =
+          "Whether to hide url hints not matching input in url hints mode.";
       };
 
       modifyOtherKeys = mkOption {
@@ -290,7 +295,8 @@ in
         default = "";
         example = "fullscreen = true";
         type = types.lines;
-        description = "Extra options that should be added to [options] section.";
+        description =
+          "Extra options that should be added to [options] section.";
       };
 
       colorsExtra = mkOption {
@@ -301,78 +307,81 @@ in
           color2 = #60b48a
         '';
         type = types.lines;
-        description = "Extra colors options that should be added to [colors] section.";
+        description =
+          "Extra colors options that should be added to [colors] section.";
       };
 
       hintsExtra = mkOption {
         default = "";
         example = "border = #3f3f3f";
         type = types.lines;
-        description = "Extra hints options that should be added to [hints] section.";
+        description =
+          "Extra hints options that should be added to [hints] section.";
       };
     };
   };
 
-  config = (
-    let
-      boolToString = v: if v then "true" else "false";
-      optionalBoolean = name: val: lib.optionalString (val != null) "${name} = ${boolToString val}";
-      optionalInteger = name: val: lib.optionalString (val != null) "${name} = ${toString val}";
-      optionalString = name: val: lib.optionalString (val != null) "${name} = ${val}";
-    in mkIf cfg.enable {
-      home.packages = [ pkgs.termite ];
-      xdg.configFile."termite/config".text = ''
-        [options]
-        ${optionalBoolean "allow_bold" cfg.allowBold}
-        ${optionalBoolean "audible_bell" cfg.audibleBell}
-        ${optionalString "browser" cfg.browser}
-        ${optionalBoolean "clickable_url" cfg.clickableUrl}
-        ${optionalString "cursor_blink" cfg.cursorBlink}
-        ${optionalString "cursor_shape" cfg.cursorShape}
-        ${optionalBoolean "dynamic_title" cfg.dynamicTitle}
-        ${optionalBoolean "filter_unmatched_urls" cfg.filterUnmatchedUrls}
-        ${optionalString "font" cfg.font}
-        ${optionalBoolean "fullscreen" cfg.fullscreen}
-        ${optionalString "geometry" cfg.geometry}
-        ${optionalString "icon_name" cfg.iconName}
-        ${optionalBoolean "modify_other_keys" cfg.modifyOtherKeys}
-        ${optionalBoolean "mouse_autohide" cfg.mouseAutohide}
-        ${optionalBoolean "scroll_on_keystroke" cfg.scrollOnKeystroke}
-        ${optionalBoolean "scroll_on_output" cfg.scrollOnOutput}
-        ${optionalInteger "scrollback_lines" cfg.scrollbackLines}
-        ${optionalString "scrollbar" cfg.scrollbar}
-        ${optionalBoolean "search_wrap" cfg.searchWrap}
-        ${optionalBoolean "size_hints" cfg.sizeHints}
-        ${optionalBoolean "urgent_on_bell" cfg.urgentOnBell}
+  config = (let
+    boolToString = v: if v then "true" else "false";
+    optionalBoolean = name: val:
+      lib.optionalString (val != null) "${name} = ${boolToString val}";
+    optionalInteger = name: val:
+      lib.optionalString (val != null) "${name} = ${toString val}";
+    optionalString = name: val:
+      lib.optionalString (val != null) "${name} = ${val}";
+  in mkIf cfg.enable {
+    home.packages = [ pkgs.termite ];
+    xdg.configFile."termite/config".text = ''
+      [options]
+      ${optionalBoolean "allow_bold" cfg.allowBold}
+      ${optionalBoolean "audible_bell" cfg.audibleBell}
+      ${optionalString "browser" cfg.browser}
+      ${optionalBoolean "clickable_url" cfg.clickableUrl}
+      ${optionalString "cursor_blink" cfg.cursorBlink}
+      ${optionalString "cursor_shape" cfg.cursorShape}
+      ${optionalBoolean "dynamic_title" cfg.dynamicTitle}
+      ${optionalBoolean "filter_unmatched_urls" cfg.filterUnmatchedUrls}
+      ${optionalString "font" cfg.font}
+      ${optionalBoolean "fullscreen" cfg.fullscreen}
+      ${optionalString "geometry" cfg.geometry}
+      ${optionalString "icon_name" cfg.iconName}
+      ${optionalBoolean "modify_other_keys" cfg.modifyOtherKeys}
+      ${optionalBoolean "mouse_autohide" cfg.mouseAutohide}
+      ${optionalBoolean "scroll_on_keystroke" cfg.scrollOnKeystroke}
+      ${optionalBoolean "scroll_on_output" cfg.scrollOnOutput}
+      ${optionalInteger "scrollback_lines" cfg.scrollbackLines}
+      ${optionalString "scrollbar" cfg.scrollbar}
+      ${optionalBoolean "search_wrap" cfg.searchWrap}
+      ${optionalBoolean "size_hints" cfg.sizeHints}
+      ${optionalBoolean "urgent_on_bell" cfg.urgentOnBell}
 
-        ${cfg.optionsExtra}
+      ${cfg.optionsExtra}
 
-        [colors]
-        ${optionalString "background" cfg.backgroundColor}
-        ${optionalString "cursor" cfg.cursorColor}
-        ${optionalString "cursor_foreground" cfg.cursorForegroundColor}
-        ${optionalString "foreground" cfg.foregroundColor}
-        ${optionalString "foregroundBold" cfg.foregroundBoldColor}
-        ${optionalString "highlight" cfg.highlightColor}
+      [colors]
+      ${optionalString "background" cfg.backgroundColor}
+      ${optionalString "cursor" cfg.cursorColor}
+      ${optionalString "cursor_foreground" cfg.cursorForegroundColor}
+      ${optionalString "foreground" cfg.foregroundColor}
+      ${optionalString "foregroundBold" cfg.foregroundBoldColor}
+      ${optionalString "highlight" cfg.highlightColor}
 
-        ${cfg.colorsExtra}
+      ${cfg.colorsExtra}
 
-        [hints]
-        ${optionalString "active_background" cfg.hintsActiveBackgroundColor}
-        ${optionalString "active_foreground" cfg.hintsActiveForegroundColor}
-        ${optionalString "background" cfg.hintsBackgroundColor}
-        ${optionalString "border" cfg.hintsBorderColor}
-        ${optionalInteger "border_width" cfg.hintsBorderWidth}
-        ${optionalString "font" cfg.hintsFont}
-        ${optionalString "foreground" cfg.hintsForegroundColor}
-        ${optionalInteger "padding" cfg.hintsPadding}
-        ${optionalInteger "roundness" cfg.hintsRoundness}
+      [hints]
+      ${optionalString "active_background" cfg.hintsActiveBackgroundColor}
+      ${optionalString "active_foreground" cfg.hintsActiveForegroundColor}
+      ${optionalString "background" cfg.hintsBackgroundColor}
+      ${optionalString "border" cfg.hintsBorderColor}
+      ${optionalInteger "border_width" cfg.hintsBorderWidth}
+      ${optionalString "font" cfg.hintsFont}
+      ${optionalString "foreground" cfg.hintsForegroundColor}
+      ${optionalInteger "padding" cfg.hintsPadding}
+      ${optionalInteger "roundness" cfg.hintsRoundness}
 
-        ${cfg.hintsExtra}
-      '';
+      ${cfg.hintsExtra}
+    '';
 
-      programs.bash.initExtra = vteInitStr;
-      programs.zsh.initExtra = vteInitStr;
-    }
-  );
+    programs.bash.initExtra = vteInitStr;
+    programs.zsh.initExtra = vteInitStr;
+  });
 }
diff --git a/modules/programs/texlive.nix b/modules/programs/texlive.nix
index 0f8953e9..08a376d6 100644
--- a/modules/programs/texlive.nix
+++ b/modules/programs/texlive.nix
@@ -8,9 +8,7 @@ let
 
   texlivePkgs = cfg.extraPackages pkgs.texlive;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -35,13 +33,11 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion = texlivePkgs != {};
-        message = "Must provide at least one extra package in"
-          + " 'programs.texlive.extraPackages'.";
-      }
-    ];
+    assertions = [{
+      assertion = texlivePkgs != { };
+      message = "Must provide at least one extra package in"
+        + " 'programs.texlive.extraPackages'.";
+    }];
 
     home.packages = [ cfg.package ];
 
diff --git a/modules/programs/urxvt.nix b/modules/programs/urxvt.nix
index 6f4eb3ff..e4c72bfe 100644
--- a/modules/programs/urxvt.nix
+++ b/modules/programs/urxvt.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.programs.urxvt;
 
-in
-
-{
+in {
   options.programs.urxvt = {
     enable = mkEnableOption "rxvt-unicode terminal emulator";
 
@@ -21,14 +19,14 @@ in
 
     fonts = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = "List of fonts to be used.";
       example = [ "xft:Droid Sans Mono Nerd Font:size=9" ];
     };
 
     keybindings = mkOption {
       type = types.attrsOf types.str;
-      default = {};
+      default = { };
       description = "Mapping of keybindings to actions";
       example = literalExample ''
         {
@@ -41,7 +39,8 @@ in
     iso14755 = mkOption {
       type = types.bool;
       default = true;
-      description = "ISO14755 support for viewing and entering unicode characters.";
+      description =
+        "ISO14755 support for viewing and entering unicode characters.";
     };
 
     scroll = {
@@ -75,11 +74,12 @@ in
             floating = mkOption {
               type = types.bool;
               default = true;
-              description = "Whether to display an rxvt scrollbar without a trough.";
+              description =
+                "Whether to display an rxvt scrollbar without a trough.";
             };
           };
         };
-        default = {};
+        default = { };
         description = "Scrollbar settings.";
       };
 
@@ -92,7 +92,8 @@ in
       keepPosition = mkOption {
         type = types.bool;
         default = true;
-        description = "Whether to keep a scroll position when TTY receives new lines.";
+        description =
+          "Whether to keep a scroll position when TTY receives new lines.";
       };
 
       scrollOnKeystroke = mkOption {
@@ -117,11 +118,12 @@ in
     shading = mkOption {
       type = types.ints.between 0 200;
       default = 100;
-      description = "Darken (0 .. 99) or lighten (101 .. 200) the transparent background.";
+      description =
+        "Darken (0 .. 99) or lighten (101 .. 200) the transparent background.";
     };
 
     extraConfig = mkOption {
-      default = {};
+      default = { };
       type = types.attrs;
       description = "Additional configuration to add.";
       example = { "shading" = 15; };
@@ -145,12 +147,10 @@ in
       "URxvt.transparent" = cfg.transparent;
       "URxvt.shading" = cfg.shading;
       "URxvt.iso14755" = cfg.iso14755;
-    } // flip mapAttrs' cfg.keybindings (kb: action:
-     nameValuePair "URxvt.keysym.${kb}" action
-    ) // optionalAttrs (cfg.fonts != []) {
-      "URxvt.font" = concatStringsSep "," cfg.fonts;
-    } // flip mapAttrs' cfg.extraConfig (k: v:
-      nameValuePair "URxvt.${k}" v
-    );
+    } // flip mapAttrs' cfg.keybindings
+      (kb: action: nameValuePair "URxvt.keysym.${kb}" action)
+      // optionalAttrs (cfg.fonts != [ ]) {
+        "URxvt.font" = concatStringsSep "," cfg.fonts;
+      } // flip mapAttrs' cfg.extraConfig (k: v: nameValuePair "URxvt.${k}" v);
   };
 }
diff --git a/modules/programs/vim.nix b/modules/programs/vim.nix
index a14a9562..39826a9a 100644
--- a/modules/programs/vim.nix
+++ b/modules/programs/vim.nix
@@ -31,43 +31,36 @@ let
   };
 
   vimSettingsType = types.submodule {
-    options =
-      let
-        opt = name: type: mkOption {
+    options = let
+      opt = name: type:
+        mkOption {
           type = types.nullOr type;
           default = null;
           visible = false;
         };
-      in
-        mapAttrs opt knownSettings;
+    in mapAttrs opt knownSettings;
   };
 
   setExpr = name: value:
     let
-      v =
-        if isBool value then (if value then "" else "no") + name
-        else
-          "${name}=${
-            if isList value
-            then concatStringsSep "," value
-            else toString value
-          }";
-    in
-      optionalString (value != null) ("set " + v);
+      v = if isBool value then
+        (if value then "" else "no") + name
+      else
+        "${name}=${
+          if isList value then concatStringsSep "," value else toString value
+        }";
+    in optionalString (value != null) ("set " + v);
 
-  plugins =
-    let
-      vpkgs = pkgs.vimPlugins;
-      getPkg = p:
-        if isDerivation p
-        then [ p ]
-        else optional (isString p && hasAttr p vpkgs) vpkgs.${p};
-    in
-      concatMap getPkg cfg.plugins;
+  plugins = let
+    vpkgs = pkgs.vimPlugins;
+    getPkg = p:
+      if isDerivation p then
+        [ p ]
+      else
+        optional (isString p && hasAttr p vpkgs) vpkgs.${p};
+  in concatMap getPkg cfg.plugins;
 
-in
-
-{
+in {
   options = {
     programs.vim = {
       enable = mkEnableOption "Vim";
@@ -75,7 +68,7 @@ in
       plugins = mkOption {
         type = with types; listOf (either str package);
         default = defaultPlugins;
-        example = literalExample ''[ pkgs.vimPlugins.YankRing ]'';
+        example = literalExample "[ pkgs.vimPlugins.YankRing ]";
         description = ''
           List of vim plugins to install. To get a list of supported plugins run:
           <command>nix-env -f '&lt;nixpkgs&gt;' -qaP -A vimPlugins</command>.
@@ -88,7 +81,7 @@ in
 
       settings = mkOption {
         type = vimSettingsType;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             expandtab = true;
@@ -102,14 +95,12 @@ in
           options.
 
           <informaltable frame="none"><tgroup cols="1"><tbody>
-          ${concatStringsSep "\n" (
-            mapAttrsToList (n: v: ''
-              <row>
-                <entry><varname>${n}</varname></entry>
-                <entry>${v.description}</entry>
-              </row>
-            '') knownSettings
-          )}
+          ${concatStringsSep "\n" (mapAttrsToList (n: v: ''
+            <row>
+              <entry><varname>${n}</varname></entry>
+              <entry>${v.description}</entry>
+            </row>
+          '') knownSettings)}
           </tbody></tgroup></informaltable>
 
           See the Vim documentation for detailed descriptions of these
@@ -136,56 +127,45 @@ in
     };
   };
 
-  config = (
-    let
-      customRC = ''
-        ${concatStringsSep "\n" (
-          filter (v: v != "") (
-          mapAttrsToList setExpr (
-          builtins.intersectAttrs knownSettings cfg.settings)))}
+  config = (let
+    customRC = ''
+      ${concatStringsSep "\n" (filter (v: v != "") (mapAttrsToList setExpr
+        (builtins.intersectAttrs knownSettings cfg.settings)))}
 
-        ${cfg.extraConfig}
-      '';
+      ${cfg.extraConfig}
+    '';
 
-      vim = pkgs.vim_configurable.customize {
-        name = "vim";
-        vimrcConfig = {
-          inherit customRC;
+    vim = pkgs.vim_configurable.customize {
+      name = "vim";
+      vimrcConfig = {
+        inherit customRC;
 
-          packages.home-manager.start = plugins;
-        };
+        packages.home-manager.start = plugins;
       };
-    in
-      mkIf cfg.enable {
-        assertions =
-          let
-            packagesNotFound = filter (p: isString p && (!hasAttr p pkgs.vimPlugins)) cfg.plugins;
-          in
-            [
-              {
-                assertion = packagesNotFound == [];
-                message = "Following VIM plugin not found in pkgs.vimPlugins: ${
-                  concatMapStringsSep ", " (p: ''"${p}"'') packagesNotFound
-                }";
-              }
-            ];
+    };
+  in mkIf cfg.enable {
+    assertions = let
+      packagesNotFound =
+        filter (p: isString p && (!hasAttr p pkgs.vimPlugins)) cfg.plugins;
+    in [{
+      assertion = packagesNotFound == [ ];
+      message = "Following VIM plugin not found in pkgs.vimPlugins: ${
+          concatMapStringsSep ", " (p: ''"${p}"'') packagesNotFound
+        }";
+    }];
 
-        warnings =
-          let
-            stringPlugins = filter isString cfg.plugins;
-          in
-            optional (stringPlugins != []) ''
-              Specifying VIM plugins using strings is deprecated, found ${
-                concatMapStringsSep ", " (p: ''"${p}"'') stringPlugins
-              } as strings.
-            '';
+    warnings = let stringPlugins = filter isString cfg.plugins;
+    in optional (stringPlugins != [ ]) ''
+      Specifying VIM plugins using strings is deprecated, found ${
+        concatMapStringsSep ", " (p: ''"${p}"'') stringPlugins
+      } as strings.
+    '';
 
-        home.packages = [ cfg.package ];
+    home.packages = [ cfg.package ];
 
-        programs.vim = {
-          package = vim;
-          plugins = defaultPlugins;
-        };
-      }
-  );
+    programs.vim = {
+      package = vim;
+      plugins = defaultPlugins;
+    };
+  });
 }
diff --git a/modules/programs/vscode/haskell.nix b/modules/programs/vscode/haskell.nix
index c8ea10d4..ee84e707 100644
--- a/modules/programs/vscode/haskell.nix
+++ b/modules/programs/vscode/haskell.nix
@@ -7,8 +7,8 @@ let
   cfg = config.programs.vscode.haskell;
 
   defaultHieNixExe = hie-nix.hies + "/bin/hie-wrapper";
-  defaultHieNixExeText = literalExample
-    "\"\${pkgs.hie-nix.hies}/bin/hie-wrapper\"";
+  defaultHieNixExeText =
+    literalExample ''"''${pkgs.hie-nix.hies}/bin/hie-wrapper"'';
 
   hie-nix = pkgs.hie-nix or (abort ''
     vscode.haskell: pkgs.hie-nix missing. Please add an overlay such as:
@@ -21,9 +21,7 @@ let
     ]
   '';
 
-in
-
-{
+in {
   options.programs.vscode.haskell = {
     enable = mkEnableOption "Haskell integration for Visual Studio Code";
 
@@ -57,10 +55,8 @@ in
     };
 
     programs.vscode.extensions =
-      [
-        pkgs.vscode-extensions.justusadam.language-haskell
-      ]
+      [ pkgs.vscode-extensions.justusadam.language-haskell ]
       ++ lib.optional cfg.hie.enable
-        pkgs.vscode-extensions.alanz.vscode-hie-server;
+      pkgs.vscode-extensions.alanz.vscode-hie-server;
   };
 }
diff --git a/modules/programs/z-lua.nix b/modules/programs/z-lua.nix
index 245eff6a..d722ac6a 100644
--- a/modules/programs/z-lua.nix
+++ b/modules/programs/z-lua.nix
@@ -7,16 +7,14 @@ let
   cfg = config.programs.z-lua;
 
   aliases = {
-    zz = "z -c";         # restrict matches to subdirs of $PWD
-    zi = "z -i";         # cd with interactive selection
-    zf = "z -I";         # use fzf to select in multiple matches
-    zb = "z -b";         # quickly cd to the parent directory
-    zh = "z -I -t .";    # fzf
+    zz = "z -c"; # restrict matches to subdirs of $PWD
+    zi = "z -i"; # cd with interactive selection
+    zf = "z -I"; # use fzf to select in multiple matches
+    zb = "z -b"; # quickly cd to the parent directory
+    zh = "z -I -t ."; # fzf
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.marsam ];
 
   options.programs.z-lua = {
@@ -24,7 +22,7 @@ in
 
     options = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "enhanced" "once" "fzf" ];
       description = ''
         List of options to pass to z.lua.
@@ -68,15 +66,21 @@ in
     home.packages = [ pkgs.z-lua ];
 
     programs.bash.initExtra = mkIf cfg.enableBashIntegration ''
-      eval "$(${pkgs.z-lua}/bin/z --init bash ${concatStringsSep " " cfg.options})"
+      eval "$(${pkgs.z-lua}/bin/z --init bash ${
+        concatStringsSep " " cfg.options
+      })"
     '';
 
     programs.zsh.initExtra = mkIf cfg.enableZshIntegration ''
-      eval "$(${pkgs.z-lua}/bin/z --init zsh ${concatStringsSep " " cfg.options})"
+      eval "$(${pkgs.z-lua}/bin/z --init zsh ${
+        concatStringsSep " " cfg.options
+      })"
     '';
 
     programs.fish.shellInit = mkIf cfg.enableFishIntegration ''
-      source (${pkgs.z-lua}/bin/z --init fish ${concatStringsSep " " cfg.options} | psub)
+      source (${pkgs.z-lua}/bin/z --init fish ${
+        concatStringsSep " " cfg.options
+      } | psub)
     '';
 
     programs.bash.shellAliases = mkIf cfg.enableAliases aliases;
diff --git a/modules/programs/zathura.nix b/modules/programs/zathura.nix
index f01bd501..d9f3c1af 100644
--- a/modules/programs/zathura.nix
+++ b/modules/programs/zathura.nix
@@ -1,4 +1,4 @@
-{ config, lib, pkgs, ...}:
+{ config, lib, pkgs, ... }:
 
 with lib;
 
@@ -9,14 +9,10 @@ let
   formatLine = n: v:
     let
       formatValue = v:
-        if isBool v then (if v then "true" else "false")
-        else toString v;
-    in
-      "set ${n}\t\"${formatValue v}\"";
+        if isBool v then (if v then "true" else "false") else toString v;
+    in ''set ${n}	"${formatValue v}"'';
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rprospero ];
 
   options.programs.zathura = {
@@ -25,7 +21,7 @@ in
       focused on keyboard interaction'';
 
     options = mkOption {
-      default = {};
+      default = { };
       type = with types; attrsOf (either str (either bool int));
       description = ''
         Add <option>:set</option> command options to zathura and make
@@ -36,7 +32,10 @@ in
         </citerefentry>
         for the full list of options.
       '';
-      example = { default-bg = "#000000"; default-fg = "#FFFFFF"; };
+      example = {
+        default-bg = "#000000";
+        default-fg = "#FFFFFF";
+      };
     };
 
     extraConfig = mkOption {
@@ -52,10 +51,8 @@ in
   config = mkIf cfg.enable {
     home.packages = [ pkgs.zathura ];
 
-    xdg.configFile."zathura/zathurarc".text =
-      concatStringsSep "\n" ([]
-        ++ optional (cfg.extraConfig != "") cfg.extraConfig
-        ++ mapAttrsToList formatLine cfg.options
-      ) + "\n";
+    xdg.configFile."zathura/zathurarc".text = concatStringsSep "\n" ([ ]
+      ++ optional (cfg.extraConfig != "") cfg.extraConfig
+      ++ mapAttrsToList formatLine cfg.options) + "\n";
   };
 }
diff --git a/modules/services/blueman-applet.nix b/modules/services/blueman-applet.nix
index 0a071f08..5a57accc 100644
--- a/modules/services/blueman-applet.nix
+++ b/modules/services/blueman-applet.nix
@@ -22,19 +22,15 @@ with lib;
 
   config = mkIf config.services.blueman-applet.enable {
     systemd.user.services.blueman-applet = {
-        Unit = {
-          Description = "Blueman applet";
-          After = [ "graphical-session-pre.target" ];
-          PartOf = [ "graphical-session.target" ];
-        };
+      Unit = {
+        Description = "Blueman applet";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
-        Service = {
-          ExecStart = "${pkgs.blueman}/bin/blueman-applet";
-        };
+      Service = { ExecStart = "${pkgs.blueman}/bin/blueman-applet"; };
     };
   };
 }
diff --git a/modules/services/cbatticon.nix b/modules/services/cbatticon.nix
index 7bf3b705..0de69c5f 100644
--- a/modules/services/cbatticon.nix
+++ b/modules/services/cbatticon.nix
@@ -9,37 +9,24 @@ let
   package = pkgs.cbatticon;
 
   makeCommand = commandName: commandArg:
-    optional (commandArg != null) (
-      let
-        cmd = pkgs.writeShellScript commandName commandArg;
-      in
-        "--${commandName} ${cmd}"
-    );
+    optional (commandArg != null)
+    (let cmd = pkgs.writeShellScript commandName commandArg;
+    in "--${commandName} ${cmd}");
 
-  commandLine = concatStringsSep " " (
-    [ "${package}/bin/cbatticon" ]
+  commandLine = concatStringsSep " " ([ "${package}/bin/cbatticon" ]
     ++ makeCommand "command-critical-level" cfg.commandCriticalLevel
     ++ makeCommand "command-left-click" cfg.commandLeftClick
-    ++ optional
-      (cfg.iconType != null)
-      "--icon-type ${cfg.iconType}"
-    ++ optional
-      (cfg.lowLevelPercent != null)
-      "--low-level ${toString cfg.lowLevelPercent}"
-    ++ optional
-      (cfg.criticalLevelPercent != null)
-      "--critical-level ${toString cfg.criticalLevelPercent}"
-    ++ optional
-      (cfg.updateIntervalSeconds != null)
-      "--update-interval ${toString cfg.updateIntervalSeconds}"
-    ++ optional
-      (cfg.hideNotification != null && cfg.hideNotification)
-      "--hide-notification"
-  );
+    ++ optional (cfg.iconType != null) "--icon-type ${cfg.iconType}"
+    ++ optional (cfg.lowLevelPercent != null)
+    "--low-level ${toString cfg.lowLevelPercent}"
+    ++ optional (cfg.criticalLevelPercent != null)
+    "--critical-level ${toString cfg.criticalLevelPercent}"
+    ++ optional (cfg.updateIntervalSeconds != null)
+    "--update-interval ${toString cfg.updateIntervalSeconds}"
+    ++ optional (cfg.hideNotification != null && cfg.hideNotification)
+    "--hide-notification");
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.pmiddend ];
 
   options = {
@@ -66,7 +53,8 @@ in
       };
 
       iconType = mkOption {
-        type = types.nullOr (types.enum [ "standard" "notification" "symbolic" ]);
+        type =
+          types.nullOr (types.enum [ "standard" "notification" "symbolic" ]);
         default = null;
         example = "symbolic";
         description = "Icon type to display in the system tray.";
@@ -119,9 +107,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         ExecStart = commandLine;
diff --git a/modules/services/compton.nix b/modules/services/compton.nix
index c227f0a8..c5b96af3 100644
--- a/modules/services/compton.nix
+++ b/modules/services/compton.nix
@@ -7,44 +7,41 @@ let
 
   cfg = config.services.compton;
 
-  configFile = pkgs.writeText "compton.conf"
-    (optionalString cfg.fade ''
-      # fading
-      fading = true;
-      fade-delta    = ${toString cfg.fadeDelta};
-      fade-in-step  = ${elemAt cfg.fadeSteps 0};
-      fade-out-step = ${elemAt cfg.fadeSteps 1};
-      fade-exclude  = ${toJSON cfg.fadeExclude};
-    '' +
-    optionalString cfg.shadow ''
+  configFile = pkgs.writeText "compton.conf" (optionalString cfg.fade ''
+    # fading
+    fading = true;
+    fade-delta    = ${toString cfg.fadeDelta};
+    fade-in-step  = ${elemAt cfg.fadeSteps 0};
+    fade-out-step = ${elemAt cfg.fadeSteps 1};
+    fade-exclude  = ${toJSON cfg.fadeExclude};
+  '' + optionalString cfg.shadow ''
 
-      # shadows
-      shadow = true;
-      shadow-offset-x = ${toString (elemAt cfg.shadowOffsets 0)};
-      shadow-offset-y = ${toString (elemAt cfg.shadowOffsets 1)};
-      shadow-opacity  = ${cfg.shadowOpacity};
-      shadow-exclude  = ${toJSON cfg.shadowExclude};
-      no-dock-shadow  = ${toJSON cfg.noDockShadow};
-      no-dnd-shadow   = ${toJSON cfg.noDNDShadow};
-    '' + 
-    optionalString cfg.blur ''
+    # shadows
+    shadow = true;
+    shadow-offset-x = ${toString (elemAt cfg.shadowOffsets 0)};
+    shadow-offset-y = ${toString (elemAt cfg.shadowOffsets 1)};
+    shadow-opacity  = ${cfg.shadowOpacity};
+    shadow-exclude  = ${toJSON cfg.shadowExclude};
+    no-dock-shadow  = ${toJSON cfg.noDockShadow};
+    no-dnd-shadow   = ${toJSON cfg.noDNDShadow};
+  '' + optionalString cfg.blur ''
 
-      # blur
-      blur-background         = true;
-      blur-background-exclude = ${toJSON cfg.blurExclude};
-    '' + ''
+    # blur
+    blur-background         = true;
+    blur-background-exclude = ${toJSON cfg.blurExclude};
+  '' + ''
 
-      # opacity
-      active-opacity   = ${cfg.activeOpacity};
-      inactive-opacity = ${cfg.inactiveOpacity};
-      menu-opacity     = ${cfg.menuOpacity};
-      opacity-rule     = ${toJSON cfg.opacityRule};
+    # opacity
+    active-opacity   = ${cfg.activeOpacity};
+    inactive-opacity = ${cfg.inactiveOpacity};
+    menu-opacity     = ${cfg.menuOpacity};
+    opacity-rule     = ${toJSON cfg.opacityRule};
 
-      # other options
-      backend = ${toJSON cfg.backend};
-      vsync = ${toJSON cfg.vSync};
-      refresh-rate = ${toString cfg.refreshRate};
-    '' + cfg.extraOptions);
+    # other options
+    backend = ${toJSON cfg.backend};
+    vsync = ${toJSON cfg.vSync};
+    refresh-rate = ${toString cfg.refreshRate};
+  '' + cfg.extraOptions);
 
 in {
 
@@ -61,11 +58,8 @@ in {
 
     blurExclude = mkOption {
       type = types.listOf types.str;
-      default = [];
-      example = [
-        "class_g = 'slop'"
-        "class_i = 'polybar'"
-      ];
+      default = [ ];
+      example = [ "class_g = 'slop'" "class_i = 'polybar'" ];
       description = ''
         List of windows to exclude background blur.
         See the
@@ -105,12 +99,8 @@ in {
 
     fadeExclude = mkOption {
       type = types.listOf types.str;
-      default = [];
-      example = [
-        "window_type *= 'menu'"
-        "name ~= 'Firefox$'"
-        "focused = 1"
-      ];
+      default = [ ];
+      example = [ "window_type *= 'menu'" "name ~= 'Firefox$'" "focused = 1" ];
       description = ''
         List of conditions of windows that should not be faded.
         See the
@@ -150,12 +140,8 @@ in {
 
     shadowExclude = mkOption {
       type = types.listOf types.str;
-      default = [];
-      example = [
-        "window_type *= 'menu'"
-        "name ~= 'Firefox$'"
-        "focused = 1"
-      ];
+      default = [ ];
+      example = [ "window_type *= 'menu'" "name ~= 'Firefox$'" "focused = 1" ];
       description = ''
         List of conditions of windows that should have no shadow.
         See the
@@ -212,11 +198,8 @@ in {
 
     opacityRule = mkOption {
       type = types.listOf types.str;
-      default = [];
-      example = [
-        "87:class_i ?= 'scratchpad'"
-        "91:class_i ?= 'xterm'"
-      ];
+      default = [ ];
+      example = [ "87:class_i ?= 'scratchpad'" "91:class_i ?= 'xterm'" ];
       description = ''
         List of opacity rules.
         See the
@@ -256,7 +239,7 @@ in {
       default = 0;
       example = 60;
       description = ''
-       Screen refresh rate (0 = automatically detect).
+        Screen refresh rate (0 = automatically detect).
       '';
     };
 
@@ -293,16 +276,13 @@ in {
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         ExecStart = "${cfg.package}/bin/compton --config ${configFile}";
         Restart = "always";
         RestartSec = 3;
-      }
-      // optionalAttrs (cfg.backend == "glx") {
+      } // optionalAttrs (cfg.backend == "glx") {
         # Temporarily fixes corrupt colours with Mesa 18.
         Environment = [ "allow_rgb10_configs=false" ];
       };
diff --git a/modules/services/dunst.nix b/modules/services/dunst.nix
index 96b1f71a..d32e8751 100644
--- a/modules/services/dunst.nix
+++ b/modules/services/dunst.nix
@@ -6,17 +6,19 @@ let
 
   cfg = config.services.dunst;
 
-  eitherStrBoolIntList = with types; either str (either bool (either int (listOf str)));
+  eitherStrBoolIntList = with types;
+    either str (either bool (either int (listOf str)));
 
   toDunstIni = generators.toINI {
     mkKeyValue = key: value:
-    let
-      value' =
-        if isBool value then (if value then "yes" else "no")
-        else if isString value then "\"${value}\""
-        else toString value;
-    in
-      "${key}=${value'}";
+      let
+        value' = if isBool value then
+          (if value then "yes" else "no")
+        else if isString value then
+          ''"${value}"''
+        else
+          toString value;
+      in "${key}=${value'}";
   };
 
   themeType = types.submodule {
@@ -48,9 +50,7 @@ let
     size = "32x32";
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -65,7 +65,7 @@ in
 
       settings = mkOption {
         type = with types; attrsOf (attrsOf eitherStrBoolIntList);
-        default = {};
+        default = { };
         description = "Configuration written to ~/.config/dunstrc";
         example = literalExample ''
           {
@@ -87,86 +87,73 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
-    mkMerge [
-      {
-        xdg.dataFile."dbus-1/services/org.knopwob.dunst.service".source =
-          "${pkgs.dunst}/share/dbus-1/services/org.knopwob.dunst.service";
+  config = mkIf cfg.enable (mkMerge [
+    {
+      xdg.dataFile."dbus-1/services/org.knopwob.dunst.service".source =
+        "${pkgs.dunst}/share/dbus-1/services/org.knopwob.dunst.service";
 
-        services.dunst.settings.global.icon_path =
-          let
-            useCustomTheme =
-              cfg.iconTheme.package != hicolorTheme.package
-              || cfg.iconTheme.name != hicolorTheme.name
-              || cfg.iconTheme.size != hicolorTheme.size;
+      services.dunst.settings.global.icon_path = let
+        useCustomTheme = cfg.iconTheme.package != hicolorTheme.package
+          || cfg.iconTheme.name != hicolorTheme.name || cfg.iconTheme.size
+          != hicolorTheme.size;
 
-            basePaths = [
-              "/run/current-system/sw"
-              config.home.profileDirectory
-              cfg.iconTheme.package
-            ] ++ optional useCustomTheme hicolorTheme.package;
+        basePaths = [
+          "/run/current-system/sw"
+          config.home.profileDirectory
+          cfg.iconTheme.package
+        ] ++ optional useCustomTheme hicolorTheme.package;
 
-            themes =
-              [
-                cfg.iconTheme
-              ] ++ optional useCustomTheme (
-                hicolorTheme // { size = cfg.iconTheme.size; }
-              );
+        themes = [ cfg.iconTheme ] ++ optional useCustomTheme
+          (hicolorTheme // { size = cfg.iconTheme.size; });
 
-            categories = [
-              "actions"
-              "animations"
-              "apps"
-              "categories"
-              "devices"
-              "emblems"
-              "emotes"
-              "filesystem"
-              "intl"
-              "mimetypes"
-              "places"
-              "status"
-              "stock"
-            ];
-          in
-            concatStringsSep ":" (
-              concatMap (theme:
-                concatMap (basePath:
-                  map (category:
-                    "${basePath}/share/icons/${theme.name}/${theme.size}/${category}"
-                  ) categories
-                ) basePaths
-              ) themes
-            );
+        categories = [
+          "actions"
+          "animations"
+          "apps"
+          "categories"
+          "devices"
+          "emblems"
+          "emotes"
+          "filesystem"
+          "intl"
+          "mimetypes"
+          "places"
+          "status"
+          "stock"
+        ];
+      in concatStringsSep ":" (concatMap (theme:
+        concatMap (basePath:
+          map (category:
+            "${basePath}/share/icons/${theme.name}/${theme.size}/${category}")
+          categories) basePaths) themes);
 
-        systemd.user.services.dunst = {
-          Unit = {
-            Description = "Dunst notification daemon";
-            After = [ "graphical-session-pre.target" ];
-            PartOf = [ "graphical-session.target" ];
-          };
-
-          Service = {
-            Type = "dbus";
-            BusName = "org.freedesktop.Notifications";
-            ExecStart = "${pkgs.dunst}/bin/dunst";
-          };
+      systemd.user.services.dunst = {
+        Unit = {
+          Description = "Dunst notification daemon";
+          After = [ "graphical-session-pre.target" ];
+          PartOf = [ "graphical-session.target" ];
         };
-      }
 
-      (mkIf (cfg.settings != {}) {
-        xdg.configFile."dunst/dunstrc" = {
-          text = toDunstIni cfg.settings;
-          onChange = ''
-            pkillVerbose=""
-            if [[ -v VERBOSE ]]; then
-              pkillVerbose="-e"
-            fi
-            $DRY_RUN_CMD ${pkgs.procps}/bin/pkill -u $USER $pkillVerbose dunst || true
-            unset pkillVerbose
-          '';
+        Service = {
+          Type = "dbus";
+          BusName = "org.freedesktop.Notifications";
+          ExecStart = "${pkgs.dunst}/bin/dunst";
         };
-      })
-    ]
-  );
+      };
+    }
+
+    (mkIf (cfg.settings != { }) {
+      xdg.configFile."dunst/dunstrc" = {
+        text = toDunstIni cfg.settings;
+        onChange = ''
+          pkillVerbose=""
+          if [[ -v VERBOSE ]]; then
+            pkillVerbose="-e"
+          fi
+          $DRY_RUN_CMD ${pkgs.procps}/bin/pkill -u $USER $pkillVerbose dunst || true
+          unset pkillVerbose
+        '';
+      };
+    })
+  ]);
 }
diff --git a/modules/services/dwm-status.nix b/modules/services/dwm-status.nix
index 2b010cec..7a19e5e5 100644
--- a/modules/services/dwm-status.nix
+++ b/modules/services/dwm-status.nix
@@ -10,9 +10,8 @@ let
   configText = builtins.toJSON ({ inherit (cfg) order; } // cfg.extraConfig);
 
   configFile = pkgs.writeText "dwm-status.json" configText;
-in
 
-{
+in {
   options = {
     services.dwm-status = {
       enable = mkEnableOption "dwm-status user service";
@@ -32,7 +31,7 @@ in
 
       extraConfig = mkOption {
         type = types.attrs;
-        default = {};
+        default = { };
         example = literalExample ''
           {
             separator = "#";
@@ -58,13 +57,9 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
-      Service = {
-        ExecStart = "${cfg.package}/bin/dwm-status ${configFile}";
-      };
+      Service = { ExecStart = "${cfg.package}/bin/dwm-status ${configFile}"; };
     };
   };
 }
diff --git a/modules/services/emacs.nix b/modules/services/emacs.nix
index 33d6871c..5b0e88db 100644
--- a/modules/services/emacs.nix
+++ b/modules/services/emacs.nix
@@ -8,26 +8,21 @@ let
   emacsCfg = config.programs.emacs;
   emacsBinPath = "${emacsCfg.finalPackage}/bin";
 
-in
-
-{
-  options.services.emacs = {
-    enable = mkEnableOption "the Emacs daemon";
-  };
+in {
+  options.services.emacs = { enable = mkEnableOption "the Emacs daemon"; };
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion = emacsCfg.enable;
-        message = "The Emacs service module requires"
-          + " 'programs.emacs.enable = true'.";
-      }
-    ];
+    assertions = [{
+      assertion = emacsCfg.enable;
+      message = "The Emacs service module requires"
+        + " 'programs.emacs.enable = true'.";
+    }];
 
     systemd.user.services.emacs = {
       Unit = {
         Description = "Emacs: the extensible, self-documenting text editor";
-        Documentation = "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
+        Documentation =
+          "info:emacs man:emacs(1) https://gnu.org/software/emacs/";
 
         # Avoid killing the Emacs session, which may be full of
         # unsaved buffers.
@@ -35,14 +30,13 @@ in
       };
 
       Service = {
-        ExecStart = "${pkgs.runtimeShell} -l -c 'exec ${emacsBinPath}/emacs --fg-daemon'";
+        ExecStart =
+          "${pkgs.runtimeShell} -l -c 'exec ${emacsBinPath}/emacs --fg-daemon'";
         ExecStop = "${emacsBinPath}/emacsclient --eval '(kill-emacs)'";
         Restart = "on-failure";
       };
 
-      Install = {
-        WantedBy = [ "default.target" ];
-      };
+      Install = { WantedBy = [ "default.target" ]; };
     };
   };
 }
diff --git a/modules/services/flameshot.nix b/modules/services/flameshot.nix
index 87b494d0..c8659d51 100644
--- a/modules/services/flameshot.nix
+++ b/modules/services/flameshot.nix
@@ -7,16 +7,10 @@ let
   cfg = config.services.flameshot;
   package = pkgs.flameshot;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.hamhut1066 ];
 
-  options = {
-    services.flameshot = {
-      enable = mkEnableOption "Flameshot";
-    };
-  };
+  options = { services.flameshot = { enable = mkEnableOption "Flameshot"; }; };
 
   config = mkIf cfg.enable {
     home.packages = [ package ];
@@ -33,9 +27,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         Environment = "PATH=${config.home.profileDirectory}/bin";
diff --git a/modules/services/getmail.nix b/modules/services/getmail.nix
index 46d4c175..e7a1b1a4 100644
--- a/modules/services/getmail.nix
+++ b/modules/services/getmail.nix
@@ -6,17 +6,19 @@ let
 
   cfg = config.services.getmail;
 
-  accounts = filter (a: a.getmail.enable)
-    (attrValues config.accounts.email.accounts);
+  accounts =
+    filter (a: a.getmail.enable) (attrValues config.accounts.email.accounts);
 
   # Note: The getmail service does not expect a path, but just the filename!
-  renderConfigFilepath = a: if a.primary then "getmailrc" else "getmail${a.name}";
-  configFiles = concatMapStringsSep " " (a: " --rcfile ${renderConfigFilepath a}") accounts;
-in
-{
+  renderConfigFilepath = a:
+    if a.primary then "getmailrc" else "getmail${a.name}";
+  configFiles =
+    concatMapStringsSep " " (a: " --rcfile ${renderConfigFilepath a}") accounts;
+in {
   options = {
     services.getmail = {
-      enable = mkEnableOption "the getmail systemd service to automatically retrieve mail";
+      enable = mkEnableOption
+        "the getmail systemd service to automatically retrieve mail";
 
       frequency = mkOption {
         type = types.str;
@@ -36,25 +38,17 @@ in
 
   config = mkIf cfg.enable {
     systemd.user.services.getmail = {
-      Unit = {
-        Description = "getmail email fetcher";
-      };
-      Service = {
-        ExecStart = "${pkgs.getmail}/bin/getmail ${configFiles}";
-      };
+      Unit = { Description = "getmail email fetcher"; };
+      Service = { ExecStart = "${pkgs.getmail}/bin/getmail ${configFiles}"; };
     };
 
     systemd.user.timers.getmail = {
-      Unit = {
-        Description = "getmail email fetcher";
-      };
+      Unit = { Description = "getmail email fetcher"; };
       Timer = {
         OnCalendar = "${cfg.frequency}";
         Unit = "getmail.service";
       };
-      Install = {
-        WantedBy = [ "timers.target" ];
-      };
+      Install = { WantedBy = [ "timers.target" ]; };
     };
 
   };
diff --git a/modules/services/gnome-keyring.nix b/modules/services/gnome-keyring.nix
index 4ca6c7ca..6d8317dc 100644
--- a/modules/services/gnome-keyring.nix
+++ b/modules/services/gnome-keyring.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.gnome-keyring;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -16,8 +14,8 @@ in
       enable = mkEnableOption "GNOME Keyring";
 
       components = mkOption {
-        type = types.listOf (types.enum ["pkcs11" "secrets" "ssh"]);
-        default = [];
+        type = types.listOf (types.enum [ "pkcs11" "secrets" "ssh" ]);
+        default = [ ];
         description = ''
           The GNOME keyring components to start. If empty then the
           default set of components will be started.
@@ -34,22 +32,15 @@ in
       };
 
       Service = {
-        ExecStart =
-          let
-            args = concatStringsSep " " (
-              [ "--start" "--foreground" ]
-              ++ optional (cfg.components != []) (
-                "--components=" + concatStringsSep "," cfg.components
-              )
-            );
-          in
-            "${pkgs.gnome3.gnome_keyring}/bin/gnome-keyring-daemon ${args}";
+        ExecStart = let
+          args = concatStringsSep " " ([ "--start" "--foreground" ]
+            ++ optional (cfg.components != [ ])
+            ("--components=" + concatStringsSep "," cfg.components));
+        in "${pkgs.gnome3.gnome_keyring}/bin/gnome-keyring-daemon ${args}";
         Restart = "on-abort";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session-pre.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session-pre.target" ]; };
     };
   };
 }
diff --git a/modules/services/grobi.nix b/modules/services/grobi.nix
index e910bcdf..4dfc5d63 100644
--- a/modules/services/grobi.nix
+++ b/modules/services/grobi.nix
@@ -6,12 +6,10 @@ let
 
   cfg = config.services.grobi;
 
-  eitherStrBoolIntList =
-    with types; either str (either bool (either int (listOf str)));
+  eitherStrBoolIntList = with types;
+    either str (either bool (either int (listOf str)));
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.mbrgm ];
 
   options = {
@@ -20,7 +18,7 @@ in
 
       executeAfter = mkOption {
         type = with types; listOf str;
-        default = [];
+        default = [ ];
         example = [ "setxkbmap dvorak" ];
         description = ''
           Commands to be run after an output configuration was
@@ -32,7 +30,7 @@ in
 
       rules = mkOption {
         type = with types; listOf (attrsOf eitherStrBoolIntList);
-        default = [];
+        default = [ ];
         example = literalExample ''
           [
             {
@@ -88,9 +86,7 @@ in
         Environment = "PATH=${pkgs.xorg.xrandr}/bin:${pkgs.bash}/bin";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
 
     xdg.configFile."grobi.conf".text = builtins.toJSON {
diff --git a/modules/services/hound.nix b/modules/services/hound.nix
index a252a68d..00589f34 100644
--- a/modules/services/hound.nix
+++ b/modules/services/hound.nix
@@ -6,23 +6,16 @@ let
 
   cfg = config.services.hound;
 
-  configFile = pkgs.writeText "hound-config.json" (
-    builtins.toJSON {
-      max-concurrent-indexers = cfg.maxConcurrentIndexers;
-      dbpath = cfg.databasePath;
-      repos = cfg.repositories;
-      health-check-url = "/healthz";
-    }
-  );
+  configFile = pkgs.writeText "hound-config.json" (builtins.toJSON {
+    max-concurrent-indexers = cfg.maxConcurrentIndexers;
+    dbpath = cfg.databasePath;
+    repos = cfg.repositories;
+    health-check-url = "/healthz";
+  });
 
-  houndOptions = [
-    "--addr ${cfg.listenAddress}"
-    "--conf ${configFile}"
-  ];
+  houndOptions = [ "--addr ${cfg.listenAddress}" "--conf ${configFile}" ];
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.adisbladis ];
 
   options.services.hound = {
@@ -37,7 +30,7 @@ in
     databasePath = mkOption {
       type = types.path;
       default = "${config.xdg.dataHome}/hound";
-      defaultText = "\$XDG_DATA_HOME/hound";
+      defaultText = "$XDG_DATA_HOME/hound";
       description = "The Hound database path.";
     };
 
@@ -49,7 +42,7 @@ in
 
     repositories = mkOption {
       type = types.attrsOf (types.uniq types.attrs);
-      default = {};
+      default = { };
       example = literalExample ''
         {
           SomeGitRepo = {
@@ -67,17 +60,14 @@ in
     home.packages = [ pkgs.hound ];
 
     systemd.user.services.hound = {
-      Unit = {
-        Description = "Hound source code search engine";
-      };
+      Unit = { Description = "Hound source code search engine"; };
 
-      Install = {
-        WantedBy = [ "default.target" ];
-      };
+      Install = { WantedBy = [ "default.target" ]; };
 
       Service = {
         Environment = "PATH=${makeBinPath [ pkgs.mercurial pkgs.git ]}";
-        ExecStart = "${pkgs.hound}/bin/houndd ${concatStringsSep " " houndOptions}";
+        ExecStart =
+          "${pkgs.hound}/bin/houndd ${concatStringsSep " " houndOptions}";
       };
     };
   };
diff --git a/modules/services/imapnotify-accounts.nix b/modules/services/imapnotify-accounts.nix
index 1c780bf2..94bdce5d 100644
--- a/modules/services/imapnotify-accounts.nix
+++ b/modules/services/imapnotify-accounts.nix
@@ -16,13 +16,16 @@ with lib;
     onNotifyPost = mkOption {
       type = with types; either str (attrsOf str);
       default = "";
-      example = { mail = "\${pkgs.notmuch}/bin/notmuch new && \${pkgs.libnotify}/bin/notify-send 'New mail arrived'"; };
+      example = {
+        mail =
+          "\${pkgs.notmuch}/bin/notmuch new && \${pkgs.libnotify}/bin/notify-send 'New mail arrived'";
+      };
       description = "Shell commands to run after onNotify event.";
     };
 
     boxes = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "Inbox" "[Gmail]/MyLabel" ];
       description = "IMAP folders to watch.";
     };
diff --git a/modules/services/imapnotify.nix b/modules/services/imapnotify.nix
index fbb0713e..b59b006e 100644
--- a/modules/services/imapnotify.nix
+++ b/modules/services/imapnotify.nix
@@ -6,102 +6,85 @@ let
 
   cfg = config.services.imapnotify;
 
-  safeName = lib.replaceChars ["@" ":" "\\" "[" "]"] ["-" "-" "-" "" ""];
+  safeName = lib.replaceChars [ "@" ":" "\\" "[" "]" ] [ "-" "-" "-" "" "" ];
 
   imapnotifyAccounts =
-    filter (a: a.imapnotify.enable)
-    (attrValues config.accounts.email.accounts);
+    filter (a: a.imapnotify.enable) (attrValues config.accounts.email.accounts);
 
   genAccountUnit = account:
-    let
-      name = safeName account.name;
-    in
-      {
-        name = "imapnotify-${name}";
-        value = {
-          Unit = {
-            Description = "imapnotify for ${name}";
-          };
+    let name = safeName account.name;
+    in {
+      name = "imapnotify-${name}";
+      value = {
+        Unit = { Description = "imapnotify for ${name}"; };
 
-          Service = {
-            ExecStart = "${pkgs.imapnotify}/bin/imapnotify -c ${genAccountConfig account}";
-          } // optionalAttrs account.notmuch.enable {
-            Environment = "NOTMUCH_CONFIG=${config.xdg.configHome}/notmuch/notmuchrc";
-          };
-
-          Install = {
-            WantedBy = [ "default.target" ];
-          };
+        Service = {
+          ExecStart =
+            "${pkgs.imapnotify}/bin/imapnotify -c ${genAccountConfig account}";
+        } // optionalAttrs account.notmuch.enable {
+          Environment =
+            "NOTMUCH_CONFIG=${config.xdg.configHome}/notmuch/notmuchrc";
         };
+
+        Install = { WantedBy = [ "default.target" ]; };
       };
+    };
 
   genAccountConfig = account:
-    pkgs.writeText "imapnotify-${safeName account.name}-config.js" (
-      let
-        port =
-          if account.imap.port != null then account.imap.port
-          else if account.imap.tls.enable then 993
-          else 143;
+    pkgs.writeText "imapnotify-${safeName account.name}-config.js" (let
+      port = if account.imap.port != null then
+        account.imap.port
+      else if account.imap.tls.enable then
+        993
+      else
+        143;
 
-        toJSON = builtins.toJSON;
-      in
-        ''
-          var child_process = require('child_process');
+      toJSON = builtins.toJSON;
+    in ''
+      var child_process = require('child_process');
 
-          function getStdout(cmd) {
-              var stdout = child_process.execSync(cmd);
-              return stdout.toString().trim();
-          }
+      function getStdout(cmd) {
+          var stdout = child_process.execSync(cmd);
+          return stdout.toString().trim();
+      }
 
-          exports.host = ${toJSON account.imap.host}
-          exports.port = ${toJSON port};
-          exports.tls = ${toJSON account.imap.tls.enable};
-          exports.username = ${toJSON account.userName};
-          exports.password = getStdout("${toString account.passwordCommand}");
-          exports.onNotify = ${toJSON account.imapnotify.onNotify};
-          exports.onNotifyPost = ${toJSON account.imapnotify.onNotifyPost};
-          exports.boxes = ${toJSON account.imapnotify.boxes};
-        ''
-    );
+      exports.host = ${toJSON account.imap.host}
+      exports.port = ${toJSON port};
+      exports.tls = ${toJSON account.imap.tls.enable};
+      exports.username = ${toJSON account.userName};
+      exports.password = getStdout("${toString account.passwordCommand}");
+      exports.onNotify = ${toJSON account.imapnotify.onNotify};
+      exports.onNotifyPost = ${toJSON account.imapnotify.onNotifyPost};
+      exports.boxes = ${toJSON account.imapnotify.boxes};
+    '');
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.nickhu ];
 
   options = {
-    services.imapnotify = {
-      enable = mkEnableOption "imapnotify";
-    };
+    services.imapnotify = { enable = mkEnableOption "imapnotify"; };
 
     accounts.email.accounts = mkOption {
-      type = with types; attrsOf (submodule (
-        import ./imapnotify-accounts.nix
-      ));
+      type = with types; attrsOf (submodule (import ./imapnotify-accounts.nix));
     };
   };
 
   config = mkIf cfg.enable {
-    assertions =
-      let
-        checkAccounts = pred: msg:
-          let
-            badAccounts = filter pred imapnotifyAccounts;
-          in
-            {
-              assertion = badAccounts == [];
-              message = "imapnotify: Missing ${msg} for accounts: "
-                + concatMapStringsSep ", " (a: a.name) badAccounts;
-            };
-      in
-        [
-          (checkAccounts (a: a.maildir == null) "maildir configuration")
-          (checkAccounts (a: a.imap == null) "IMAP configuration")
-          (checkAccounts (a: a.passwordCommand == null) "password command")
-          (checkAccounts (a: a.userName == null) "username")
-        ];
+    assertions = let
+      checkAccounts = pred: msg:
+        let badAccounts = filter pred imapnotifyAccounts;
+        in {
+          assertion = badAccounts == [ ];
+          message = "imapnotify: Missing ${msg} for accounts: "
+            + concatMapStringsSep ", " (a: a.name) badAccounts;
+        };
+    in [
+      (checkAccounts (a: a.maildir == null) "maildir configuration")
+      (checkAccounts (a: a.imap == null) "IMAP configuration")
+      (checkAccounts (a: a.passwordCommand == null) "password command")
+      (checkAccounts (a: a.userName == null) "username")
+    ];
 
-    systemd.user.services =
-      listToAttrs (map genAccountUnit imapnotifyAccounts);
+    systemd.user.services = listToAttrs (map genAccountUnit imapnotifyAccounts);
   };
 }
diff --git a/modules/services/kdeconnect.nix b/modules/services/kdeconnect.nix
index bd698fcf..82de1f0e 100644
--- a/modules/services/kdeconnect.nix
+++ b/modules/services/kdeconnect.nix
@@ -7,9 +7,7 @@ let
   cfg = config.services.kdeconnect;
   package = pkgs.kdeconnect;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.adisbladis ];
 
   options = {
@@ -31,14 +29,13 @@ in
 
       systemd.user.services.kdeconnect = {
         Unit = {
-          Description = "Adds communication between your desktop and your smartphone";
+          Description =
+            "Adds communication between your desktop and your smartphone";
           After = [ "graphical-session-pre.target" ];
           PartOf = [ "graphical-session.target" ];
         };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+        Install = { WantedBy = [ "graphical-session.target" ]; };
 
         Service = {
           Environment = "PATH=${config.home.profileDirectory}/bin";
@@ -52,16 +49,16 @@ in
       systemd.user.services.kdeconnect-indicator = {
         Unit = {
           Description = "kdeconnect-indicator";
-          After = [ "graphical-session-pre.target"
-                    "polybar.service"
-                    "taffybar.service"
-                    "stalonetray.service" ];
+          After = [
+            "graphical-session-pre.target"
+            "polybar.service"
+            "taffybar.service"
+            "stalonetray.service"
+          ];
           PartOf = [ "graphical-session.target" ];
         };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+        Install = { WantedBy = [ "graphical-session.target" ]; };
 
         Service = {
           Environment = "PATH=${config.home.profileDirectory}/bin";
diff --git a/modules/services/keepassx.nix b/modules/services/keepassx.nix
index ad791786..dc37066e 100644
--- a/modules/services/keepassx.nix
+++ b/modules/services/keepassx.nix
@@ -13,19 +13,15 @@ with lib;
 
   config = mkIf config.services.keepassx.enable {
     systemd.user.services.keepassx = {
-        Unit = {
-          Description = "KeePassX password manager";
-          After = [ "graphical-session-pre.target" ];
-          PartOf = [ "graphical-session.target" ];
-        };
+      Unit = {
+        Description = "KeePassX password manager";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
-        Service = {
-          ExecStart = "${pkgs.keepassx}/bin/keepassx -min -lock";
-        };
+      Service = { ExecStart = "${pkgs.keepassx}/bin/keepassx -min -lock"; };
     };
   };
 }
diff --git a/modules/services/lorri.nix b/modules/services/lorri.nix
index 351afbc1..3b2c244e 100644
--- a/modules/services/lorri.nix
+++ b/modules/services/lorri.nix
@@ -6,14 +6,10 @@ let
 
   cfg = config.services.lorri;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.gerschtli ];
 
-  options = {
-    services.lorri.enable = mkEnableOption "lorri build daemon";
-  };
+  options = { services.lorri.enable = mkEnableOption "lorri build daemon"; };
 
   config = mkIf cfg.enable {
     home.packages = [ pkgs.lorri ];
@@ -33,25 +29,22 @@ in
           ProtectSystem = "strict";
           ProtectHome = "read-only";
           Restart = "on-failure";
-          Environment =
-            let path = with pkgs; makeSearchPath "bin" [ nix gitMinimal gnutar gzip ];
-            in "PATH=${path}";
+          Environment = let
+            path = with pkgs;
+              makeSearchPath "bin" [ nix gitMinimal gnutar gzip ];
+          in "PATH=${path}";
         };
       };
 
       sockets.lorri = {
-        Unit = {
-          Description = "Socket for lorri build daemon";
-        };
+        Unit = { Description = "Socket for lorri build daemon"; };
 
         Socket = {
           ListenStream = "%t/lorri/daemon.socket";
           RuntimeDirectory = "lorri";
         };
 
-        Install = {
-          WantedBy = [ "sockets.target" ];
-        };
+        Install = { WantedBy = [ "sockets.target" ]; };
       };
     };
   };
diff --git a/modules/services/mbsync.nix b/modules/services/mbsync.nix
index 73c3b326..ac6ac1ef 100644
--- a/modules/services/mbsync.nix
+++ b/modules/services/mbsync.nix
@@ -6,14 +6,10 @@ let
 
   cfg = config.services.mbsync;
 
-  mbsyncOptions =
-    [ "--all"
-    ] ++ optional (cfg.verbose) "--verbose"
-      ++ optional (cfg.configFile != null) "--config ${cfg.configFile}";
+  mbsyncOptions = [ "--all" ] ++ optional (cfg.verbose) "--verbose"
+    ++ optional (cfg.configFile != null) "--config ${cfg.configFile}";
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.pjones ];
 
   options.services.mbsync = {
@@ -81,30 +77,28 @@ in
 
   config = mkIf cfg.enable {
     systemd.user.services.mbsync = {
-      Unit = {
-        Description = "mbsync mailbox synchronization";
-      };
+      Unit = { Description = "mbsync mailbox synchronization"; };
 
       Service = {
         Type = "oneshot";
-        ExecStart = "${cfg.package}/bin/mbsync ${concatStringsSep " " mbsyncOptions}";
-      } // (optionalAttrs (cfg.postExec != null) { ExecStartPost = cfg.postExec; })
-        // (optionalAttrs (cfg.preExec  != null) { ExecStartPre  = cfg.preExec;  });
+        ExecStart =
+          "${cfg.package}/bin/mbsync ${concatStringsSep " " mbsyncOptions}";
+      } // (optionalAttrs (cfg.postExec != null) {
+        ExecStartPost = cfg.postExec;
+      }) // (optionalAttrs (cfg.preExec != null) {
+        ExecStartPre = cfg.preExec;
+      });
     };
 
     systemd.user.timers.mbsync = {
-      Unit = {
-        Description = "mbsync mailbox synchronization";
-      };
+      Unit = { Description = "mbsync mailbox synchronization"; };
 
       Timer = {
         OnCalendar = cfg.frequency;
         Unit = "mbsync.service";
       };
 
-      Install = {
-        WantedBy = [ "timers.target" ];
-      };
+      Install = { WantedBy = [ "timers.target" ]; };
     };
   };
 }
diff --git a/modules/services/mpdris2.nix b/modules/services/mpdris2.nix
index 9030e0fd..cb8cefba 100644
--- a/modules/services/mpdris2.nix
+++ b/modules/services/mpdris2.nix
@@ -9,11 +9,11 @@ let
   toIni = generators.toINI {
     mkKeyValue = key: value:
       let
-        value' =
-          if isBool value then (if value then "True" else "False")
-          else toString value;
-      in
-        "${key} = ${value'}";
+        value' = if isBool value then
+          (if value then "True" else "False")
+        else
+          toString value;
+      in "${key} = ${value'}";
   };
 
   mpdris2Conf = {
@@ -29,9 +29,7 @@ let
     };
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.pjones ];
 
   options.services.mpdris2 = {
@@ -76,19 +74,15 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion = config.services.mpd.enable;
-        message = "The mpdris2 module requires 'services.mpd.enable = true'.";
-      }
-    ];
+    assertions = [{
+      assertion = config.services.mpd.enable;
+      message = "The mpdris2 module requires 'services.mpd.enable = true'.";
+    }];
 
     xdg.configFile."mpDris2/mpDris2.conf".text = toIni mpdris2Conf;
 
     systemd.user.services.mpdris2 = {
-      Install = {
-        WantedBy = [ "default.target" ];
-      };
+      Install = { WantedBy = [ "default.target" ]; };
 
       Unit = {
         Description = "MPRIS 2 support for MPD";
diff --git a/modules/services/muchsync.nix b/modules/services/muchsync.nix
index 72bf737c..b7004418 100644
--- a/modules/services/muchsync.nix
+++ b/modules/services/muchsync.nix
@@ -150,23 +150,21 @@ in {
   };
 
   config = let
-    mapRemotes = gen: with attrsets; mapAttrs'
+    mapRemotes = gen:
+      with attrsets;
+      mapAttrs'
       (name: remoteCfg: nameValuePair "muchsync-${name}" (gen name remoteCfg))
       cfg.remotes;
   in mkIf (cfg.remotes != { }) {
-    assertions = [
-      {
-        assertion = config.programs.notmuch.enable;
-        message = ''
-          The muchsync module requires 'programs.notmuch.enable = true'.
-        '';
-      }
-    ];
+    assertions = [{
+      assertion = config.programs.notmuch.enable;
+      message = ''
+        The muchsync module requires 'programs.notmuch.enable = true'.
+      '';
+    }];
 
     systemd.user.services = mapRemotes (name: remoteCfg: {
-      Unit = {
-        Description = "muchsync sync service (${name})";
-      };
+      Unit = { Description = "muchsync sync service (${name})"; };
       Service = {
         CPUSchedulingPolicy = "idle";
         IOSchedulingClass = "idle";
@@ -175,8 +173,7 @@ in {
           ''"NOTMUCH_CONFIG=${config.home.sessionVariables.NOTMUCH_CONFIG}"''
           ''"NMBGIT=${config.home.sessionVariables.NMBGIT}"''
         ];
-        ExecStart = concatStringsSep " " (
-          [ "${pkgs.muchsync}/bin/muchsync" ]
+        ExecStart = concatStringsSep " " ([ "${pkgs.muchsync}/bin/muchsync" ]
           ++ [ "-s ${escapeShellArg remoteCfg.sshCommand}" ]
           ++ optional (!remoteCfg.upload) "--noup"
 
@@ -187,25 +184,20 @@ in {
           # remote configuration
           ++ [ (escapeShellArg remoteCfg.remote.host) ]
           ++ optional (remoteCfg.remote.muchsyncPath != "")
-            "-r ${escapeShellArg remoteCfg.remote.muchsyncPath}"
+          "-r ${escapeShellArg remoteCfg.remote.muchsyncPath}"
           ++ optional remoteCfg.remote.checkForModifiedFiles "-F"
-          ++ optional (!remoteCfg.remote.importNew) "--nonew"
-        );
+          ++ optional (!remoteCfg.remote.importNew) "--nonew");
       };
     });
 
     systemd.user.timers = mapRemotes (name: remoteCfg: {
-      Unit = {
-        Description = "muchsync periodic sync (${name})";
-      };
+      Unit = { Description = "muchsync periodic sync (${name})"; };
       Timer = {
         Unit = "muchsync-${name}.service";
         OnCalendar = remoteCfg.frequency;
         Persistent = true;
       };
-      Install = {
-        WantedBy = [ "timers.target" ];
-      };
+      Install = { WantedBy = [ "timers.target" ]; };
     });
   };
 }
diff --git a/modules/services/network-manager-applet.nix b/modules/services/network-manager-applet.nix
index 72a4711e..bf57ed65 100644
--- a/modules/services/network-manager-applet.nix
+++ b/modules/services/network-manager-applet.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.network-manager-applet;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -25,17 +23,13 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
-        ExecStart = toString (
-          [
-            "${pkgs.networkmanagerapplet}/bin/nm-applet"
-            "--sm-disable"
-          ] ++ optional config.xsession.preferStatusNotifierItems "--indicator"
-        );
+        ExecStart = toString
+          ([ "${pkgs.networkmanagerapplet}/bin/nm-applet" "--sm-disable" ]
+            ++ optional config.xsession.preferStatusNotifierItems
+            "--indicator");
       };
     };
   };
diff --git a/modules/services/nextcloud-client.nix b/modules/services/nextcloud-client.nix
index 3d8dc0bc..555ca11a 100644
--- a/modules/services/nextcloud-client.nix
+++ b/modules/services/nextcloud-client.nix
@@ -4,9 +4,7 @@ with lib;
 
 {
   options = {
-    services.nextcloud-client = {
-      enable = mkEnableOption "Nextcloud Client";
-    };
+    services.nextcloud-client = { enable = mkEnableOption "Nextcloud Client"; };
   };
 
   config = mkIf config.services.nextcloud-client.enable {
@@ -22,9 +20,7 @@ with lib;
         ExecStart = "${pkgs.nextcloud-client}/bin/nextcloud";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/services/owncloud-client.nix b/modules/services/owncloud-client.nix
index d98a508f..d55d8ffa 100644
--- a/modules/services/owncloud-client.nix
+++ b/modules/services/owncloud-client.nix
@@ -4,9 +4,7 @@ with lib;
 
 {
   options = {
-    services.owncloud-client = {
-      enable = mkEnableOption "Owncloud Client";
-    };
+    services.owncloud-client = { enable = mkEnableOption "Owncloud Client"; };
   };
 
   config = mkIf config.services.owncloud-client.enable {
@@ -22,9 +20,7 @@ with lib;
         ExecStart = "${pkgs.owncloud-client}/bin/owncloud";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/services/parcellite.nix b/modules/services/parcellite.nix
index 45cb33ea..ce042386 100644
--- a/modules/services/parcellite.nix
+++ b/modules/services/parcellite.nix
@@ -7,15 +7,11 @@ let
   cfg = config.services.parcellite;
   package = pkgs.parcellite;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.gleber ];
 
   options = {
-    services.parcellite = {
-      enable = mkEnableOption "Parcellite";
-    };
+    services.parcellite = { enable = mkEnableOption "Parcellite"; };
   };
 
   config = mkIf cfg.enable {
@@ -28,9 +24,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         ExecStart = "${package}/bin/parcellite";
diff --git a/modules/services/password-store-sync.nix b/modules/services/password-store-sync.nix
index 32c70ff5..81933914 100644
--- a/modules/services/password-store-sync.nix
+++ b/modules/services/password-store-sync.nix
@@ -7,9 +7,7 @@ let
   serviceCfg = config.services.password-store-sync;
   programCfg = config.programs.password-store;
 
-in
-
-{
+in {
   meta.maintainers = with maintainers; [ pacien ];
 
   options.services.password-store-sync = {
@@ -35,28 +33,22 @@ in
   };
 
   config = mkIf serviceCfg.enable {
-    assertions = [
-      {
-        assertion = programCfg.enable;
-        message = "The 'services.password-store-sync' module requires"
-          + " 'programs.password-store.enable = true'.";
-      }
-    ];
+    assertions = [{
+      assertion = programCfg.enable;
+      message = "The 'services.password-store-sync' module requires"
+        + " 'programs.password-store.enable = true'.";
+    }];
 
     systemd.user.services.password-store-sync = {
-      Unit = {
-        Description = "Password store sync";
-      };
+      Unit = { Description = "Password store sync"; };
 
       Service = {
         CPUSchedulingPolicy = "idle";
         IOSchedulingClass = "idle";
-        Environment =
-          let
-            makeEnvironmentPairs =
-              mapAttrsToList (key: value: "${key}=${builtins.toJSON value}");
-          in
-            makeEnvironmentPairs programCfg.settings;
+        Environment = let
+          makeEnvironmentPairs =
+            mapAttrsToList (key: value: "${key}=${builtins.toJSON value}");
+        in makeEnvironmentPairs programCfg.settings;
         ExecStart = toString (pkgs.writeShellScript "password-store-sync" ''
           ${pkgs.pass}/bin/pass git pull --rebase && \
           ${pkgs.pass}/bin/pass git push
@@ -65,9 +57,7 @@ in
     };
 
     systemd.user.timers.password-store-sync = {
-      Unit = {
-        Description = "Password store periodic sync";
-      };
+      Unit = { Description = "Password store periodic sync"; };
 
       Timer = {
         Unit = "password-store-sync.service";
@@ -75,9 +65,7 @@ in
         Persistent = true;
       };
 
-      Install = {
-        WantedBy = [ "timers.target" ];
-      };
+      Install = { WantedBy = [ "timers.target" ]; };
     };
   };
 }
diff --git a/modules/services/pasystray.nix b/modules/services/pasystray.nix
index 8f92f34c..7c6651d9 100644
--- a/modules/services/pasystray.nix
+++ b/modules/services/pasystray.nix
@@ -6,31 +6,25 @@ with lib;
   meta.maintainers = [ maintainers.pltanton ];
 
   options = {
-    services.pasystray = {
-      enable = mkEnableOption "PulseAudio system tray";
-    };
+    services.pasystray = { enable = mkEnableOption "PulseAudio system tray"; };
   };
 
   config = mkIf config.services.pasystray.enable {
     systemd.user.services.pasystray = {
-        Unit = {
-          Description = "PulseAudio system tray";
-          After = [ "graphical-session-pre.target" ];
-          PartOf = [ "graphical-session.target" ];
-        };
+      Unit = {
+        Description = "PulseAudio system tray";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
-        Service = {
-          Environment =
-            let
-              toolPaths = makeBinPath [ pkgs.paprefs pkgs.pavucontrol ];
-            in
-              [ "PATH=${toolPaths}" ];
-          ExecStart = "${pkgs.pasystray}/bin/pasystray";
-        };
+      Service = {
+        Environment =
+          let toolPaths = makeBinPath [ pkgs.paprefs pkgs.pavucontrol ];
+          in [ "PATH=${toolPaths}" ];
+        ExecStart = "${pkgs.pasystray}/bin/pasystray";
+      };
     };
   };
 }
diff --git a/modules/services/polybar.nix b/modules/services/polybar.nix
index 4225ed9b..934a9906 100644
--- a/modules/services/polybar.nix
+++ b/modules/services/polybar.nix
@@ -6,30 +6,28 @@ let
 
   cfg = config.services.polybar;
 
-  eitherStrBoolIntList = with types; either str (either bool (either int (listOf str)));
+  eitherStrBoolIntList = with types;
+    either str (either bool (either int (listOf str)));
 
   toPolybarIni = generators.toINI {
     mkKeyValue = key: value:
       let
         quoted = v:
-          if hasPrefix " " v || hasSuffix " " v
-          then ''"${v}"''
-          else v;
+          if hasPrefix " " v || hasSuffix " " v then ''"${v}"'' else v;
 
-        value' =
-          if isBool value then (if value then "true" else "false")
-          else if (isString value && key != "include-file") then quoted value
-          else toString value;
-      in
-        "${key}=${value'}";
+        value' = if isBool value then
+          (if value then "true" else "false")
+        else if (isString value && key != "include-file") then
+          quoted value
+        else
+          toString value;
+      in "${key}=${value'}";
   };
 
   configFile = pkgs.writeText "polybar.conf"
     (toPolybarIni cfg.config + "\n" + cfg.extraConfig);
 
-in
-
-{
+in {
   options = {
     services.polybar = {
       enable = mkEnableOption "Polybar status bar";
@@ -39,7 +37,7 @@ in
         default = pkgs.polybar;
         defaultText = literalExample "pkgs.polybar";
         description = "Polybar package to install.";
-        example =  literalExample ''
+        example = literalExample ''
           pkgs.polybar.override {
             i3GapsSupport = true;
             alsaSupport = true;
@@ -50,15 +48,14 @@ in
       };
 
       config = mkOption {
-        type = types.coercedTo
-          types.path
+        type = types.coercedTo types.path
           (p: { "section/base" = { include-file = "${p}"; }; })
           (types.attrsOf (types.attrsOf eitherStrBoolIntList));
         description = ''
           Polybar configuration. Can be either path to a file, or set of attributes
           that will be used to create the final configuration.
         '';
-        default = {};
+        default = { };
         example = literalExample ''
           {
             "bar/top" = {
@@ -118,25 +115,20 @@ in
         Description = "Polybar status bar";
         After = [ "graphical-session-pre.target" ];
         PartOf = [ "graphical-session.target" ];
-        X-Restart-Triggers = [
-          "${config.xdg.configFile."polybar/config".source}"
-        ];
+        X-Restart-Triggers =
+          [ "${config.xdg.configFile."polybar/config".source}" ];
       };
 
       Service = {
         Type = "forking";
         Environment = "PATH=${cfg.package}/bin:/run/wrappers/bin";
         ExecStart =
-          let
-            scriptPkg = pkgs.writeShellScriptBin "polybar-start" cfg.script;
-          in
-            "${scriptPkg}/bin/polybar-start";
+          let scriptPkg = pkgs.writeShellScriptBin "polybar-start" cfg.script;
+          in "${scriptPkg}/bin/polybar-start";
         Restart = "on-failure";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 
diff --git a/modules/services/random-background.nix b/modules/services/random-background.nix
index 885574af..9deee8de 100644
--- a/modules/services/random-background.nix
+++ b/modules/services/random-background.nix
@@ -6,18 +6,11 @@ let
 
   cfg = config.services.random-background;
 
-  flags = lib.concatStringsSep " " (
-    [
-      "--bg-${cfg.display}"
-      "--no-fehbg"
-      "--randomize"
-    ]
-    ++ lib.optional (!cfg.enableXinerama) "--no-xinerama"
-  );
+  flags = lib.concatStringsSep " "
+    ([ "--bg-${cfg.display}" "--no-fehbg" "--randomize" ]
+      ++ lib.optional (!cfg.enableXinerama) "--no-xinerama");
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -73,41 +66,32 @@ in
     };
   };
 
-  config = mkIf cfg.enable (
-    mkMerge ([
-      {
-        systemd.user.services.random-background = {
-          Unit = {
-            Description = "Set random desktop background using feh";
-            After = [ "graphical-session-pre.target" ];
-            PartOf = [ "graphical-session.target" ];
-          };
-
-          Service = {
-            Type = "oneshot";
-            ExecStart = "${pkgs.feh}/bin/feh ${flags} ${cfg.imageDirectory}";
-            IOSchedulingClass = "idle";
-          };
-
-          Install = {
-            WantedBy = [ "graphical-session.target" ];
-          };
+  config = mkIf cfg.enable (mkMerge ([
+    {
+      systemd.user.services.random-background = {
+        Unit = {
+          Description = "Set random desktop background using feh";
+          After = [ "graphical-session-pre.target" ];
+          PartOf = [ "graphical-session.target" ];
         };
-      }
-      (mkIf (cfg.interval != null) {
-        systemd.user.timers.random-background = {
-          Unit = {
-            Description = "Set random desktop background using feh";
-          };
 
-          Timer = {
-            OnUnitActiveSec = cfg.interval;
-          };
-
-          Install = {
-            WantedBy = [ "timers.target" ];
-          };
+        Service = {
+          Type = "oneshot";
+          ExecStart = "${pkgs.feh}/bin/feh ${flags} ${cfg.imageDirectory}";
+          IOSchedulingClass = "idle";
         };
-      })
-    ]));
+
+        Install = { WantedBy = [ "graphical-session.target" ]; };
+      };
+    }
+    (mkIf (cfg.interval != null) {
+      systemd.user.timers.random-background = {
+        Unit = { Description = "Set random desktop background using feh"; };
+
+        Timer = { OnUnitActiveSec = cfg.interval; };
+
+        Install = { WantedBy = [ "timers.target" ]; };
+      };
+    })
+  ]));
 }
diff --git a/modules/services/redshift.nix b/modules/services/redshift.nix
index 1452fcc9..86cbab20 100644
--- a/modules/services/redshift.nix
+++ b/modules/services/redshift.nix
@@ -8,9 +8,7 @@ let
 
   cfg = config.services.redshift;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options.services.redshift = {
@@ -113,7 +111,7 @@ in
 
     extraOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       example = [ "-v" "-m randr" ];
       description = ''
         Additional command-line arguments to pass to
@@ -123,17 +121,13 @@ in
   };
 
   config = mkIf cfg.enable {
-    assertions = [
-      {
-        assertion =
-          cfg.provider == "manual"
-          -> cfg.latitude != null && cfg.longitude != null;
-        message =
-          "Must provide services.redshift.latitude and"
-          + " services.redshift.latitude when"
-          + " services.redshift.provider is set to \"manual\".";
-      }
-    ];
+    assertions = [{
+      assertion = cfg.provider == "manual" -> cfg.latitude != null
+        && cfg.longitude != null;
+      message = "Must provide services.redshift.latitude and"
+        + " services.redshift.latitude when"
+        + " services.redshift.provider is set to \"manual\".";
+    }];
 
     systemd.user.services.redshift = {
       Unit = {
@@ -142,27 +136,25 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
-        ExecStart =
-          let
-           providerString =
-             if cfg.provider == "manual"
-             then "${cfg.latitude}:${cfg.longitude}"
-             else cfg.provider;
+        ExecStart = let
+          providerString = if cfg.provider == "manual" then
+            "${cfg.latitude}:${cfg.longitude}"
+          else
+            cfg.provider;
 
-            args = [
-              "-l ${providerString}"
-              "-t ${toString cfg.temperature.day}:${toString cfg.temperature.night}"
-              "-b ${toString cfg.brightness.day}:${toString cfg.brightness.night}"
-            ] ++ cfg.extraOptions;
+          args = [
+            "-l ${providerString}"
+            "-t ${toString cfg.temperature.day}:${
+              toString cfg.temperature.night
+            }"
+            "-b ${toString cfg.brightness.day}:${toString cfg.brightness.night}"
+          ] ++ cfg.extraOptions;
 
-            command = if cfg.tray then "redshift-gtk" else "redshift";
-          in
-            "${cfg.package}/bin/${command} ${concatStringsSep " " args}";
+          command = if cfg.tray then "redshift-gtk" else "redshift";
+        in "${cfg.package}/bin/${command} ${concatStringsSep " " args}";
         RestartSec = 3;
         Restart = "always";
       };
diff --git a/modules/services/rsibreak.nix b/modules/services/rsibreak.nix
index 242e0343..77eaa71f 100644
--- a/modules/services/rsibreak.nix
+++ b/modules/services/rsibreak.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.rsibreak;
 
-in
-
-{
+in {
   options.services.rsibreak = {
 
     enable = mkEnableOption "rsibreak";
@@ -23,9 +21,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         Environment = "PATH=${config.home.profileDirectory}/bin";
diff --git a/modules/services/screen-locker.nix b/modules/services/screen-locker.nix
index e3da1406..2d0fc758 100644
--- a/modules/services/screen-locker.nix
+++ b/modules/services/screen-locker.nix
@@ -29,7 +29,7 @@ in {
 
     xautolockExtraOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = ''
         Extra command-line arguments to pass to <command>xautolock</command>.
       '';
@@ -37,7 +37,7 @@ in {
 
     xssLockExtraOptions = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = ''
         Extra command-line arguments to pass to <command>xss-lock</command>.
       '';
@@ -53,9 +53,7 @@ in {
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         ExecStart = concatStringsSep " " ([
@@ -70,7 +68,9 @@ in {
     # xss-lock will run specified screen locker when the session is locked via loginctl
     # can't be started as a systemd service,
     # see https://bitbucket.org/raymonad/xss-lock/issues/13/allow-operation-as-systemd-user-unit
-    xsession.initExtra = "${pkgs.xss-lock}/bin/xss-lock ${concatStringsSep " " cfg.xssLockExtraOptions} -- ${cfg.lockCmd} &";
+    xsession.initExtra = "${pkgs.xss-lock}/bin/xss-lock ${
+        concatStringsSep " " cfg.xssLockExtraOptions
+      } -- ${cfg.lockCmd} &";
   };
 
 }
diff --git a/modules/services/spotifyd.nix b/modules/services/spotifyd.nix
index b9e09126..bc231814 100644
--- a/modules/services/spotifyd.nix
+++ b/modules/services/spotifyd.nix
@@ -7,18 +7,16 @@ let
   cfg = config.services.spotifyd;
 
   configFile = pkgs.writeText "spotifyd.conf" ''
-    ${generators.toINI {} cfg.settings}
+    ${generators.toINI { } cfg.settings}
   '';
 
-in
-
-{
+in {
   options.services.spotifyd = {
     enable = mkEnableOption "SpotifyD connect";
 
     settings = mkOption {
       type = types.attrsOf (types.attrsOf types.str);
-      default = {};
+      default = { };
       description = "Configuration for spotifyd";
       example = literalExample ''
         {
@@ -44,7 +42,8 @@ in
       Install.WantedBy = [ "default.target" ];
 
       Service = {
-        ExecStart = "${pkgs.spotifyd}/bin/spotifyd --no-daemon --config-path ${configFile}";
+        ExecStart =
+          "${pkgs.spotifyd}/bin/spotifyd --no-daemon --config-path ${configFile}";
         Restart = "always";
         RestartSec = 12;
       };
diff --git a/modules/services/stalonetray.nix b/modules/services/stalonetray.nix
index 934e78c9..cca60498 100644
--- a/modules/services/stalonetray.nix
+++ b/modules/services/stalonetray.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.stalonetray;
 
-in
-
-{
+in {
   options = {
     services.stalonetray = {
       enable = mkEnableOption "Stalonetray system tray";
@@ -22,19 +20,18 @@ in
       };
 
       config = mkOption {
-          type = with types;
-            attrsOf (nullOr (either str (either bool int)));
-          description = ''
-            Stalonetray configuration as a set of attributes.
-          '';
-          default = {};
-          example = {
-            geometry = "3x1-600+0";
-            decorations = null;
-            icon_size = 30;
-            sticky = true;
-            background = "#cccccc";
-          };
+        type = with types; attrsOf (nullOr (either str (either bool int)));
+        description = ''
+          Stalonetray configuration as a set of attributes.
+        '';
+        default = { };
+        example = {
+          geometry = "3x1-600+0";
+          decorations = null;
+          icon_size = 30;
+          sticky = true;
+          background = "#cccccc";
+        };
       };
 
       extraConfig = mkOption {
@@ -42,11 +39,11 @@ in
         description = "Additional configuration lines for stalonetrayrc.";
         default = "";
         example = ''
-            geometry 3x1-600+0
-            decorations none
-            icon_size 30
-            sticky true
-            background "#cccccc"
+          geometry 3x1-600+0
+          decorations none
+          icon_size 30
+          sticky true
+          background "#cccccc"
         '';
       };
     };
@@ -63,9 +60,7 @@ in
           PartOf = [ "graphical-session.target" ];
         };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+        Install = { WantedBy = [ "graphical-session.target" ]; };
 
         Service = {
           ExecStart = "${cfg.package}/bin/stalonetray";
@@ -74,17 +69,18 @@ in
       };
     }
 
-    (mkIf (cfg.config != {}) {
-      home.file.".stalonetrayrc".text =
-        let
-          valueToString = v:
-            if isBool v then (if v then "true" else "false")
-            else if (v==null) then "none"
-            else ''"${toString v}"'';
-        in
-          concatStrings (
-            mapAttrsToList (k: v: "${k} ${valueToString v}\n") cfg.config
-          );
+    (mkIf (cfg.config != { }) {
+      home.file.".stalonetrayrc".text = let
+        valueToString = v:
+          if isBool v then
+            (if v then "true" else "false")
+          else if (v == null) then
+            "none"
+          else
+            ''"${toString v}"'';
+      in concatStrings (mapAttrsToList (k: v: ''
+        ${k} ${valueToString v}
+      '') cfg.config);
     })
 
     (mkIf (cfg.extraConfig != "") {
diff --git a/modules/services/status-notifier-watcher.nix b/modules/services/status-notifier-watcher.nix
index 8a2ded87..3c3e5487 100644
--- a/modules/services/status-notifier-watcher.nix
+++ b/modules/services/status-notifier-watcher.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.status-notifier-watcher;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.pltanton ];
 
   options = {
@@ -17,30 +15,30 @@ in
 
       package = mkOption {
         default = pkgs.haskellPackages.status-notifier-item;
-        defaultText = literalExample "pkgs.haskellPackages.status-notifier-item";
+        defaultText =
+          literalExample "pkgs.haskellPackages.status-notifier-item";
         type = types.package;
         example = literalExample "pkgs.haskellPackages.status-notifier-item";
-        description = "The package to use for the status notifier watcher binary.";
+        description =
+          "The package to use for the status notifier watcher binary.";
       };
     };
   };
 
   config = mkIf cfg.enable {
     systemd.user.services.status-notifier-watcher = {
-        Unit = {
-          Description = "SNI watcher";
-          After = [ "graphical-session-pre.target" ];
-          PartOf = [ "graphical-session.target" ];
-          Before = [ "taffybar.service" ];
-        };
+      Unit = {
+        Description = "SNI watcher";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+        Before = [ "taffybar.service" ];
+      };
 
-        Service = {
-          ExecStart = "${cfg.package}/bin/status-notifier-watcher";
-        };
+      Service = { ExecStart = "${cfg.package}/bin/status-notifier-watcher"; };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" "taffybar.service" ];
-        };
+      Install = {
+        WantedBy = [ "graphical-session.target" "taffybar.service" ];
+      };
     };
   };
 }
diff --git a/modules/services/syncthing.nix b/modules/services/syncthing.nix
index 7fc556c5..2ef10540 100644
--- a/modules/services/syncthing.nix
+++ b/modules/services/syncthing.nix
@@ -22,21 +22,21 @@ with lib;
       systemd.user.services = {
         syncthing = {
           Unit = {
-            Description = "Syncthing - Open Source Continuous File Synchronization";
+            Description =
+              "Syncthing - Open Source Continuous File Synchronization";
             Documentation = "man:syncthing(1)";
             After = [ "network.target" ];
           };
 
           Service = {
-            ExecStart = "${pkgs.syncthing}/bin/syncthing -no-browser -no-restart -logflags=0";
+            ExecStart =
+              "${pkgs.syncthing}/bin/syncthing -no-browser -no-restart -logflags=0";
             Restart = "on-failure";
             SuccessExitStatus = [ 3 4 ];
             RestartForceExitStatus = [ 3 4 ];
           };
 
-          Install = {
-            WantedBy = [ "default.target" ];
-          };
+          Install = { WantedBy = [ "default.target" ]; };
         };
       };
     })
@@ -46,10 +46,12 @@ with lib;
         qsyncthingtray = {
           Unit = {
             Description = "QSyncthingTray";
-            After = [ "graphical-session-pre.target"
-                      "polybar.service"
-                      "taffybar.service"
-                      "stalonetray.service" ];
+            After = [
+              "graphical-session-pre.target"
+              "polybar.service"
+              "taffybar.service"
+              "stalonetray.service"
+            ];
             PartOf = [ "graphical-session.target" ];
           };
 
@@ -58,9 +60,7 @@ with lib;
             ExecStart = "${pkgs.qsyncthingtray}/bin/QSyncthingTray";
           };
 
-          Install = {
-            WantedBy = [ "graphical-session.target" ];
-          };
+          Install = { WantedBy = [ "graphical-session.target" ]; };
         };
       };
     })
diff --git a/modules/services/taffybar.nix b/modules/services/taffybar.nix
index 69531a19..53927554 100644
--- a/modules/services/taffybar.nix
+++ b/modules/services/taffybar.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.taffybar;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -38,9 +36,7 @@ in
         Restart = "on-failure";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
 
     xsession.importedVariables = [ "GDK_PIXBUF_MODULE_FILE" ];
diff --git a/modules/services/tahoe-lafs.nix b/modules/services/tahoe-lafs.nix
index bb7be8d7..742b779b 100644
--- a/modules/services/tahoe-lafs.nix
+++ b/modules/services/tahoe-lafs.nix
@@ -6,20 +6,14 @@ with lib;
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
-    services.tahoe-lafs = {
-      enable = mkEnableOption "Tahoe-LAFS";
-    };
+    services.tahoe-lafs = { enable = mkEnableOption "Tahoe-LAFS"; };
   };
 
   config = mkIf config.services.tahoe-lafs.enable {
     systemd.user.services.tahoe-lafs = {
-        Unit = {
-          Description = "Tahoe-LAFS";
-        };
+      Unit = { Description = "Tahoe-LAFS"; };
 
-        Service = {
-          ExecStart = "${pkgs.tahoelafs}/bin/tahoe run -C %h/.tahoe";
-        };
+      Service = { ExecStart = "${pkgs.tahoelafs}/bin/tahoe run -C %h/.tahoe"; };
     };
   };
 }
diff --git a/modules/services/taskwarrior-sync.nix b/modules/services/taskwarrior-sync.nix
index 4179ac8a..d16c0681 100644
--- a/modules/services/taskwarrior-sync.nix
+++ b/modules/services/taskwarrior-sync.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.taskwarrior-sync;
 
-in
-
-{
+in {
   meta.maintainers = with maintainers; [ minijackson pacien ];
 
   options.services.taskwarrior-sync = {
@@ -32,9 +30,7 @@ in
 
   config = mkIf cfg.enable {
     systemd.user.services.taskwarrior-sync = {
-      Unit = {
-        Description = "Taskwarrior sync";
-      };
+      Unit = { Description = "Taskwarrior sync"; };
       Service = {
         CPUSchedulingPolicy = "idle";
         IOSchedulingClass = "idle";
@@ -43,16 +39,12 @@ in
     };
 
     systemd.user.timers.taskwarrior-sync = {
-      Unit = {
-        Description = "Taskwarrior periodic sync";
-      };
+      Unit = { Description = "Taskwarrior periodic sync"; };
       Timer = {
         Unit = "taskwarrior-sync.service";
         OnCalendar = cfg.frequency;
       };
-      Install = {
-        WantedBy = [ "timers.target" ];
-      };
+      Install = { WantedBy = [ "timers.target" ]; };
     };
   };
 }
diff --git a/modules/services/udiskie.nix b/modules/services/udiskie.nix
index c058a23d..2444d68f 100644
--- a/modules/services/udiskie.nix
+++ b/modules/services/udiskie.nix
@@ -6,19 +6,17 @@ let
 
   cfg = config.services.udiskie;
 
-  commandArgs =
-    concatStringsSep " " (
-      map (opt: "-" + opt) [
-        (if cfg.automount then "a" else "A")
-        (if cfg.notify then "n" else "N")
-        ({ always = "t"; auto = "s"; never = "T"; }.${cfg.tray})
-      ]
-      ++ optional config.xsession.preferStatusNotifierItems "--appindicator"
-    );
+  commandArgs = concatStringsSep " " (map (opt: "-" + opt) [
+    (if cfg.automount then "a" else "A")
+    (if cfg.notify then "n" else "N")
+    ({
+      always = "t";
+      auto = "s";
+      never = "T";
+    }.${cfg.tray})
+  ] ++ optional config.xsession.preferStatusNotifierItems "--appindicator");
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   imports = [
@@ -77,19 +75,17 @@ in
 
   config = mkIf config.services.udiskie.enable {
     systemd.user.services.udiskie = {
-        Unit = {
-          Description = "udiskie mount daemon";
-          After = [ "graphical-session-pre.target" ];
-          PartOf = [ "graphical-session.target" ];
-        };
+      Unit = {
+        Description = "udiskie mount daemon";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
 
-        Service = {
-          ExecStart = "${pkgs.udiskie}/bin/udiskie -2 ${commandArgs}";
-        };
+      Service = {
+        ExecStart = "${pkgs.udiskie}/bin/udiskie -2 ${commandArgs}";
+      };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/services/unclutter.nix b/modules/services/unclutter.nix
index 6b5ac866..5e760639 100644
--- a/modules/services/unclutter.nix
+++ b/modules/services/unclutter.nix
@@ -55,9 +55,7 @@ in {
         Restart = "always";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/services/unison.nix b/modules/services/unison.nix
index fc998e39..93c59e8f 100644
--- a/modules/services/unison.nix
+++ b/modules/services/unison.nix
@@ -7,10 +7,8 @@ let
   cfg = config.services.unison;
 
   pairOf = t:
-    let
-      list = types.addCheck (types.listOf t) (l: length l == 2);
-    in
-      list // { description = list.description + " of length 2"; };
+    let list = types.addCheck (types.listOf t) (l: length l == 2);
+    in list // { description = list.description + " of length 2"; };
 
   pairOptions = {
     options = {
@@ -64,17 +62,14 @@ let
 
   serialiseArg = key: val: "-${key}=${escapeShellArg val}";
 
-  serialiseArgs = args:
-    concatStringsSep " " (mapAttrsToList serialiseArg args);
+  serialiseArgs = args: concatStringsSep " " (mapAttrsToList serialiseArg args);
 
   makeDefs = gen:
     mapAttrs'
-      (name: pairCfg: nameValuePair "unison-pair-${name}" (gen name pairCfg))
-      cfg.pairs;
+    (name: pairCfg: nameValuePair "unison-pair-${name}" (gen name pairCfg))
+    cfg.pairs;
 
-in
-
-{
+in {
   meta.maintainers = with maintainers; [ pacien ];
 
   options.services.unison = {
@@ -120,9 +115,7 @@ in
         '';
       };
 
-      Install = {
-        WantedBy = [ "default.target" ];
-      };
+      Install = { WantedBy = [ "default.target" ]; };
     });
   };
 }
diff --git a/modules/services/window-managers/awesome.nix b/modules/services/window-managers/awesome.nix
index fe914864..d2e2903f 100644
--- a/modules/services/window-managers/awesome.nix
+++ b/modules/services/window-managers/awesome.nix
@@ -9,12 +9,9 @@ let
   getLuaPath = lib: dir: "${lib}/${dir}/lua/${pkgs.luaPackages.lua.luaversion}";
   makeSearchPath = lib.concatMapStrings (path:
     " --search ${getLuaPath path "share"}"
-    + " --search ${getLuaPath path "lib"}"
-  );
+    + " --search ${getLuaPath path "lib"}");
 
-in
-
-{
+in {
   options = {
     xsession.windowManager.awesome = {
       enable = mkEnableOption "Awesome window manager.";
@@ -27,31 +24,29 @@ in
       };
 
       luaModules = mkOption {
-          default = [];
-          type = types.listOf types.package;
-          description = ''
-            List of lua packages available for being
-            used in the Awesome configuration.
-          '';
-          example = literalExample "[ luaPackages.oocairo ]";
+        default = [ ];
+        type = types.listOf types.package;
+        description = ''
+          List of lua packages available for being
+          used in the Awesome configuration.
+        '';
+        example = literalExample "[ luaPackages.oocairo ]";
       };
 
       noArgb = mkOption {
-          default = false;
-          type = types.bool;
-          description = ''
-            Disable client transparency support, which can be greatly
-            detrimental to performance in some setups
-          '';
+        default = false;
+        type = types.bool;
+        description = ''
+          Disable client transparency support, which can be greatly
+          detrimental to performance in some setups
+        '';
       };
     };
   };
 
   config = mkIf cfg.enable {
     home.packages = [ awesome ];
-    xsession.windowManager.command = 
-      "${awesome}/bin/awesome "
-      + optionalString cfg.noArgb "--no-argb "
-      + makeSearchPath cfg.luaModules;
+    xsession.windowManager.command = "${awesome}/bin/awesome "
+      + optionalString cfg.noArgb "--no-argb " + makeSearchPath cfg.luaModules;
   };
 }
diff --git a/modules/services/window-managers/bspwm/default.nix b/modules/services/window-managers/bspwm/default.nix
index e9fa064a..9ea5adbc 100644
--- a/modules/services/window-managers/bspwm/default.nix
+++ b/modules/services/window-managers/bspwm/default.nix
@@ -13,59 +13,62 @@ let
   formatConfig = n: v:
     let
       formatList = x:
-        if isList x
-        then throw "can not convert 2-dimensional lists to bspwm format"
-        else formatValue x;
+        if isList x then
+          throw "can not convert 2-dimensional lists to bspwm format"
+        else
+          formatValue x;
 
       formatValue = v:
-        if isBool v then (if v then "true" else "false")
-        else if isList v then concatMapStringsSep ", " formatList v
-        else if isString v then "${lib.strings.escapeShellArg v}"
-        else toString v;
-    in
-      "bspc config ${n} ${formatValue v}";
+        if isBool v then
+          (if v then "true" else "false")
+        else if isList v then
+          concatMapStringsSep ", " formatList v
+        else if isString v then
+          "${lib.strings.escapeShellArg v}"
+        else
+          toString v;
+    in "bspc config ${n} ${formatValue v}";
 
   formatMonitors = n: v: "bspc monitor ${n} -d ${concatStringsSep " " v}";
 
   formatRules = target: directiveOptions:
     let
       formatDirective = n: v:
-        if isBool v then (if v then "${camelToSnake n}=on" else "${camelToSnake n}=off")
-        else if (n == "desktop" || n == "node") then "${camelToSnake n}='${v}'"
-        else "${camelToSnake n}=${lib.strings.escapeShellArg v}";
+        if isBool v then
+          (if v then "${camelToSnake n}=on" else "${camelToSnake n}=off")
+        else if (n == "desktop" || n == "node") then
+          "${camelToSnake n}='${v}'"
+        else
+          "${camelToSnake n}=${lib.strings.escapeShellArg v}";
 
-      directives = filterAttrs (n: v: v != null && !(lib.strings.hasPrefix "_" n)) directiveOptions;
-      directivesStr = builtins.concatStringsSep " " (mapAttrsToList formatDirective directives);
-    in
-      "bspc rule -a ${target} ${directivesStr}";
+      directives =
+        filterAttrs (n: v: v != null && !(lib.strings.hasPrefix "_" n))
+        directiveOptions;
+      directivesStr = builtins.concatStringsSep " "
+        (mapAttrsToList formatDirective directives);
+    in "bspc rule -a ${target} ${directivesStr}";
 
   formatStartupPrograms = map (s: "${s} &");
 
-in
-
-{
-  options = import ./options.nix { inherit pkgs; inherit lib; };
+in {
+  options = import ./options.nix {
+    inherit pkgs;
+    inherit lib;
+  };
 
   config = mkIf cfg.enable {
     home.packages = [ bspwm ];
-    xsession.windowManager.command =
-      let
-        configFile = pkgs.writeShellScript "bspwmrc" (
-          concatStringsSep "\n" (
-            (mapAttrsToList formatMonitors cfg.monitors)
-            ++ (mapAttrsToList formatConfig cfg.settings)
-            ++ (mapAttrsToList formatRules cfg.rules)
-            ++ [ ''
-              # java gui fixes
-              export _JAVA_AWT_WM_NONREPARENTING=1
-              bspc rule -a sun-awt-X11-XDialogPeer state=floating
-            '' ]
-            ++ [ cfg.extraConfig ]
-            ++ (formatStartupPrograms cfg.startupPrograms)
-          )
-        );
-        configCmdOpt = optionalString (cfg.settings != null) "-c ${configFile}";
-      in
-        "${cfg.package}/bin/bspwm ${configCmdOpt}";
+    xsession.windowManager.command = let
+      configFile = pkgs.writeShellScript "bspwmrc" (concatStringsSep "\n"
+        ((mapAttrsToList formatMonitors cfg.monitors)
+          ++ (mapAttrsToList formatConfig cfg.settings)
+          ++ (mapAttrsToList formatRules cfg.rules) ++ [''
+            # java gui fixes
+            export _JAVA_AWT_WM_NONREPARENTING=1
+            bspc rule -a sun-awt-X11-XDialogPeer state=floating
+          ''] ++ [ cfg.extraConfig ]
+          ++ (formatStartupPrograms cfg.startupPrograms)));
+      configCmdOpt = optionalString (cfg.settings != null) "-c ${configFile}";
+    in "${cfg.package}/bin/bspwm ${configCmdOpt}";
   };
 }
diff --git a/modules/services/window-managers/bspwm/options.nix b/modules/services/window-managers/bspwm/options.nix
index 9d1955aa..58a58a1a 100644
--- a/modules/services/window-managers/bspwm/options.nix
+++ b/modules/services/window-managers/bspwm/options.nix
@@ -28,7 +28,8 @@ let
       };
 
       state = mkOption {
-        type = types.nullOr (types.enum [ "tiled" "pseudo_tiled" "floating" "fullscreen" ]);
+        type = types.nullOr
+          (types.enum [ "tiled" "pseudo_tiled" "floating" "fullscreen" ]);
         default = null;
         description = "The state in which a new window should spawn.";
         example = "floating";
@@ -61,7 +62,7 @@ let
       hidden = mkOption {
         type = types.nullOr types.bool;
         default = null;
-        description = ''Whether the node should occupy any space.'';
+        description = "Whether the node should occupy any space.";
         example = true;
       };
 
@@ -141,9 +142,7 @@ let
     };
   };
 
-in
-
-{
+in {
   xsession.windowManager.bspwm = {
     enable = mkEnableOption "bspwm window manager.";
 
@@ -156,11 +155,10 @@ in
     };
 
     settings = mkOption {
-      type = with types; let
-          primitive = either bool (either int (either float str));
-        in
-          attrsOf (either primitive (listOf primitive));
-      default = {};
+      type = with types;
+        let primitive = either bool (either int (either float str));
+        in attrsOf (either primitive (listOf primitive));
+      default = { };
       description = "bspwm configuration";
       example = {
         "border_width" = 2;
@@ -180,16 +178,14 @@ in
 
     monitors = mkOption {
       type = types.attrsOf (types.listOf types.str);
-      default = {};
+      default = { };
       description = "bspc monitor configurations";
-      example = {
-        "HDMI-0" = [ "web" "terminal" "III" "IV" ];
-      };
+      example = { "HDMI-0" = [ "web" "terminal" "III" "IV" ]; };
     };
 
     rules = mkOption {
       type = types.attrsOf rule;
-      default = {};
+      default = { };
       description = "bspc rules";
       example = literalExample ''
         {
@@ -210,12 +206,9 @@ in
 
     startupPrograms = mkOption {
       type = types.listOf types.str;
-      default = [];
+      default = [ ];
       description = "Programs to be executed during startup.";
-      example = [
-        "numlockx on"
-        "tilda"
-      ];
+      example = [ "numlockx on" "tilda" ];
     };
   };
 }
diff --git a/modules/services/window-managers/xmonad.nix b/modules/services/window-managers/xmonad.nix
index 6b3426b9..7be03874 100644
--- a/modules/services/window-managers/xmonad.nix
+++ b/modules/services/window-managers/xmonad.nix
@@ -9,15 +9,13 @@ let
   xmonad = pkgs.xmonad-with-packages.override {
     ghcWithPackages = cfg.haskellPackages.ghcWithPackages;
     packages = self:
-      cfg.extraPackages self
-      ++ optionals cfg.enableContribAndExtras [
-        self.xmonad-contrib self.xmonad-extras
+      cfg.extraPackages self ++ optionals cfg.enableContribAndExtras [
+        self.xmonad-contrib
+        self.xmonad-extras
       ];
   };
 
-in
-
-{
+in {
   options = {
     xsession.windowManager.xmonad = {
       enable = mkEnableOption "xmonad window manager";
@@ -35,7 +33,7 @@ in
       };
 
       extraPackages = mkOption {
-        default = self: [];
+        default = self: [ ];
         defaultText = "self: []";
         example = literalExample ''
           haskellPackages: [
diff --git a/modules/services/xcape.nix b/modules/services/xcape.nix
index 26115a93..f4f77caa 100644
--- a/modules/services/xcape.nix
+++ b/modules/services/xcape.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.xcape;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.nickhu ];
 
   options = {
@@ -27,8 +25,11 @@ in
 
       mapExpression = mkOption {
         type = types.attrsOf types.str;
-        default = {};
-        example = { Shift_L = "Escape"; Control_L = "Control_L|O"; };
+        default = { };
+        example = {
+          Shift_L = "Escape";
+          Control_L = "Control_L|O";
+        };
         description = ''
           The value has the grammar <literal>Key[|OtherKey]</literal>.
           </para>
@@ -63,14 +64,13 @@ in
         Type = "forking";
         ExecStart = "${pkgs.xcape}/bin/xcape"
           + optionalString (cfg.timeout != null) " -t ${toString cfg.timeout}"
-          + optionalString (cfg.mapExpression != {})
-            " -e '${builtins.concatStringsSep ";"
-              (attrsets.mapAttrsToList (n: v: "${n}=${v}") cfg.mapExpression)}'";
+          + optionalString (cfg.mapExpression != { }) " -e '${
+             builtins.concatStringsSep ";"
+             (attrsets.mapAttrsToList (n: v: "${n}=${v}") cfg.mapExpression)
+           }'";
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/services/xembed-sni-proxy.nix b/modules/services/xembed-sni-proxy.nix
index d9e5ae78..ff63d108 100644
--- a/modules/services/xembed-sni-proxy.nix
+++ b/modules/services/xembed-sni-proxy.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.xembed-sni-proxy;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -35,9 +33,7 @@ in
         PartOf = [ "graphical-session.target" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
 
       Service = {
         Environment = "PATH=${config.home.profileDirectory}/bin";
diff --git a/modules/services/xscreensaver.nix b/modules/services/xscreensaver.nix
index 4001c294..73a365aa 100644
--- a/modules/services/xscreensaver.nix
+++ b/modules/services/xscreensaver.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.services.xscreensaver;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -17,7 +15,7 @@ in
 
       settings = mkOption {
         type = with types; attrsOf (either bool (either int str));
-        default = {};
+        default = { };
         example = {
           mode = "blank";
           lock = false;
@@ -38,19 +36,17 @@ in
       mapAttrs' (n: nameValuePair "xscreensaver.${n}") cfg.settings;
 
     systemd.user.services.xscreensaver = {
-        Unit = {
-          Description = "XScreenSaver";
-          After = [ "graphical-session-pre.target" ];
-          PartOf = [ "graphical-session.target" ];
-        };
+      Unit = {
+        Description = "XScreenSaver";
+        After = [ "graphical-session-pre.target" ];
+        PartOf = [ "graphical-session.target" ];
+      };
 
-        Service = {
-          ExecStart = "${pkgs.xscreensaver}/bin/xscreensaver -no-splash";
-        };
+      Service = {
+        ExecStart = "${pkgs.xscreensaver}/bin/xscreensaver -no-splash";
+      };
 
-        Install = {
-          WantedBy = [ "graphical-session.target" ];
-        };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/services/xsuspender.nix b/modules/services/xsuspender.nix
index 22a5ca53..2eb40f5d 100644
--- a/modules/services/xsuspender.nix
+++ b/modules/services/xsuspender.nix
@@ -61,7 +61,7 @@ let
         '';
         type = types.nullOr types.str;
         default = null;
-        example = ''echo resuming ...'';
+        example = "echo resuming ...";
       };
 
       sendSignals = mkOption {
@@ -74,7 +74,8 @@ let
       };
 
       suspendSubtreePattern = mkOption {
-        description = "Also suspend descendant processes that match this regex.";
+        description =
+          "Also suspend descendant processes that match this regex.";
         type = types.nullOr types.str;
         default = null;
       };
@@ -105,9 +106,7 @@ let
     };
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.offline ];
 
   options = {
@@ -117,13 +116,13 @@ in
       defaults = mkOption {
         description = "XSuspender defaults.";
         type = xsuspenderOptions;
-        default = {};
+        default = { };
       };
 
       rules = mkOption {
         description = "Attribute set of XSuspender rules.";
         type = types.attrsOf xsuspenderOptions;
-        default = {};
+        default = { };
         example = {
           Chromium = {
             suspendDelay = 10;
@@ -147,9 +146,9 @@ in
   };
 
   config = mkIf cfg.enable {
-    services.xsuspender.iniContent =
-      let
-        mkSection = values: filterAttrs (_: v: v != null) {
+    services.xsuspender.iniContent = let
+      mkSection = values:
+        filterAttrs (_: v: v != null) {
           match_wm_class_contains = values.matchWmClassContains;
           match_wm_class_group_contains = values.matchWmClassGroupContains;
           match_wm_name_contains = values.matchWmNameContains;
@@ -164,25 +163,22 @@ in
           auto_suspend_on_battery = values.autoSuspendOnBattery;
           downclock_on_battery = values.downclockOnBattery;
         };
-      in
-        {
-          Default = mkSection cfg.defaults;
-        }
-        // mapAttrs (_: mkSection) cfg.rules;
+    in {
+      Default = mkSection cfg.defaults;
+    } // mapAttrs (_: mkSection) cfg.rules;
 
     # To make the xsuspender tool available.
     home.packages = [ pkgs.xsuspender ];
 
-    xdg.configFile."xsuspender.conf".text = generators.toINI {} cfg.iniContent;
+    xdg.configFile."xsuspender.conf".text = generators.toINI { } cfg.iniContent;
 
     systemd.user.services.xsuspender = {
       Unit = {
         Description = "XSuspender";
         After = [ "graphical-session-pre.target" ];
         PartOf = [ "graphical-session.target" ];
-        X-Restart-Triggers = [
-          "${config.xdg.configFile."xsuspender.conf".source}"
-        ];
+        X-Restart-Triggers =
+          [ "${config.xdg.configFile."xsuspender.conf".source}" ];
       };
 
       Service = {
@@ -190,9 +186,7 @@ in
         Environment = mkIf cfg.debug [ "G_MESSAGE_DEBUG=all" ];
       };
 
-      Install = {
-        WantedBy = [ "graphical-session.target" ];
-      };
+      Install = { WantedBy = [ "graphical-session.target" ]; };
     };
   };
 }
diff --git a/modules/xcursor.nix b/modules/xcursor.nix
index 17158602..63ceef38 100644
--- a/modules/xcursor.nix
+++ b/modules/xcursor.nix
@@ -36,9 +36,7 @@ let
     };
   };
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.league ];
 
   options = {
@@ -58,15 +56,17 @@ in
 
   config = mkIf (cfg != null) {
 
-    home.packages = [cfg.package];
+    home.packages = [ cfg.package ];
 
     xsession.initExtra = ''
-      ${pkgs.xorg.xsetroot}/bin/xsetroot -xcf ${cfg.package}/share/icons/${cfg.name}/cursors/${cfg.defaultCursor} ${toString cfg.size}
+      ${pkgs.xorg.xsetroot}/bin/xsetroot -xcf ${cfg.package}/share/icons/${cfg.name}/cursors/${cfg.defaultCursor} ${
+        toString cfg.size
+      }
     '';
 
     xresources.properties = {
       "Xcursor.theme" = cfg.name;
-      "Xcursor.size"  = cfg.size;
+      "Xcursor.size" = cfg.size;
     };
 
     gtk.gtk2.extraConfig = ''
diff --git a/modules/xresources.nix b/modules/xresources.nix
index 1e5ec854..b74d671b 100644
--- a/modules/xresources.nix
+++ b/modules/xresources.nix
@@ -9,20 +9,21 @@ let
   formatLine = n: v:
     let
       formatList = x:
-        if isList x
-        then throw "can not convert 2-dimensional lists to Xresources format"
-        else formatValue x;
+        if isList x then
+          throw "can not convert 2-dimensional lists to Xresources format"
+        else
+          formatValue x;
 
       formatValue = v:
-        if isBool v then (if v then "true" else "false")
-        else if isList v then concatMapStringsSep ", " formatList v
-        else toString v;
-    in
-      "${n}: ${formatValue v}";
+        if isBool v then
+          (if v then "true" else "false")
+        else if isList v then
+          concatMapStringsSep ", " formatList v
+        else
+          toString v;
+    in "${n}: ${formatValue v}";
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -72,11 +73,10 @@ in
 
   config = mkIf (cfg.properties != null || cfg.extraConfig != "") {
     home.file.".Xresources" = {
-      text =
-        concatStringsSep "\n" ([]
-          ++ optional (cfg.extraConfig != "") cfg.extraConfig
-          ++ optionals (cfg.properties != null) (mapAttrsToList formatLine cfg.properties)
-        ) + "\n";
+      text = concatStringsSep "\n" ([ ]
+        ++ optional (cfg.extraConfig != "") cfg.extraConfig
+        ++ optionals (cfg.properties != null)
+        (mapAttrsToList formatLine cfg.properties)) + "\n";
       onChange = ''
         if [[ -v DISPLAY ]] ; then
           $DRY_RUN_CMD ${pkgs.xorg.xrdb}/bin/xrdb -merge $HOME/.Xresources
diff --git a/modules/xsession.nix b/modules/xsession.nix
index e1cf9942..d32c2849 100644
--- a/modules/xsession.nix
+++ b/modules/xsession.nix
@@ -6,9 +6,7 @@ let
 
   cfg = config.xsession;
 
-in
-
-{
+in {
   meta.maintainers = [ maintainers.rycee ];
 
   options = {
@@ -89,30 +87,25 @@ in
 
     systemd.user = {
       services = mkIf (config.home.keyboard != null) {
-        setxkbmap =  {
+        setxkbmap = {
           Unit = {
             Description = "Set up keyboard in X";
             After = [ "graphical-session-pre.target" ];
             PartOf = [ "graphical-session.target" ];
           };
 
-          Install = {
-            WantedBy = [ "graphical-session.target" ];
-          };
+          Install = { WantedBy = [ "graphical-session.target" ]; };
 
           Service = {
             Type = "oneshot";
             RemainAfterExit = true;
-            ExecStart =
-              with config.home.keyboard;
+            ExecStart = with config.home.keyboard;
               let
-                args =
-                  optional (layout != null) "-layout '${layout}'"
+                args = optional (layout != null) "-layout '${layout}'"
                   ++ optional (variant != null) "-variant '${variant}'"
                   ++ optional (model != null) "-model '${model}'"
                   ++ map (v: "-option '${v}'") options;
-              in
-                "${pkgs.xorg.setxkbmap}/bin/setxkbmap ${toString args}";
+              in "${pkgs.xorg.setxkbmap}/bin/setxkbmap ${toString args}";
           };
         };
       };
@@ -128,25 +121,24 @@ in
     };
 
     home.file.".xprofile".text = ''
-        . "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
+      . "${config.home.profileDirectory}/etc/profile.d/hm-session-vars.sh"
 
-        if [ -e "$HOME/.profile" ]; then
-          . "$HOME/.profile"
-        fi
+      if [ -e "$HOME/.profile" ]; then
+        . "$HOME/.profile"
+      fi
 
-        # If there are any running services from a previous session.
-        # Need to run this in xprofile because the NixOS xsession
-        # script starts up graphical-session.target.
-        systemctl --user stop graphical-session.target graphical-session-pre.target
+      # If there are any running services from a previous session.
+      # Need to run this in xprofile because the NixOS xsession
+      # script starts up graphical-session.target.
+      systemctl --user stop graphical-session.target graphical-session-pre.target
 
-        ${optionalString (cfg.importedVariables != []) (
-          "systemctl --user import-environment "
-            + toString (unique cfg.importedVariables)
-        )}
+      ${optionalString (cfg.importedVariables != [ ])
+      ("systemctl --user import-environment "
+        + toString (unique cfg.importedVariables))}
 
-        ${cfg.profileExtra}
+      ${cfg.profileExtra}
 
-        export HM_XPROFILE_SOURCED=1
+      export HM_XPROFILE_SOURCED=1
     '';
 
     home.file.${cfg.scriptPath} = {
diff --git a/nixos/default.nix b/nixos/default.nix
index 6b7d559a..f4e417bd 100644
--- a/nixos/default.nix
+++ b/nixos/default.nix
@@ -10,8 +10,8 @@ let
 
   hmModule = types.submoduleWith {
     specialArgs = { lib = extendedLib; };
-    modules = [(
-      {name, ...}: {
+    modules = [
+      ({ name, ... }: {
         imports = import ../modules/modules.nix {
           inherit pkgs;
           lib = extendedLib;
@@ -23,27 +23,21 @@ let
 
           # The per-user directory inside /etc/profiles is not known by
           # fontconfig by default.
-          fonts.fontconfig.enable =
-            cfg.useUserPackages && config.fonts.fontconfig.enable;
+          fonts.fontconfig.enable = cfg.useUserPackages
+            && config.fonts.fontconfig.enable;
 
           home.username = config.users.users.${name}.name;
           home.homeDirectory = config.users.users.${name}.home;
         };
-      }
-    )];
+      })
+    ];
   };
 
-  serviceEnvironment =
-    optionalAttrs (cfg.backupFileExtension != null) {
-      HOME_MANAGER_BACKUP_EXT = cfg.backupFileExtension;
-    }
-    // optionalAttrs cfg.verbose {
-      VERBOSE = "1";
-    };
+  serviceEnvironment = optionalAttrs (cfg.backupFileExtension != null) {
+    HOME_MANAGER_BACKUP_EXT = cfg.backupFileExtension;
+  } // optionalAttrs cfg.verbose { VERBOSE = "1"; };
 
-in
-
-{
+in {
   options = {
     home-manager = {
       useUserPackages = mkEnableOption ''
@@ -65,7 +59,7 @@ in
 
       users = mkOption {
         type = types.attrsOf hmModule;
-        default = {};
+        default = { };
         description = ''
           Per-user Home Manager configuration.
         '';
@@ -73,57 +67,44 @@ in
     };
   };
 
-  config = mkIf (cfg.users != {}) {
-    warnings =
-      flatten (flip mapAttrsToList cfg.users (user: config:
-        flip map config.warnings (warning:
-          "${user} profile: ${warning}"
-        )
-      ));
+  config = mkIf (cfg.users != { }) {
+    warnings = flatten (flip mapAttrsToList cfg.users (user: config:
+      flip map config.warnings (warning: "${user} profile: ${warning}")));
 
-    assertions =
-      flatten (flip mapAttrsToList cfg.users (user: config:
-        flip map config.assertions (assertion:
-          {
-            inherit (assertion) assertion;
-            message = "${user} profile: ${assertion.message}";
-          }
-        )
-      ));
+    assertions = flatten (flip mapAttrsToList cfg.users (user: config:
+      flip map config.assertions (assertion: {
+        inherit (assertion) assertion;
+        message = "${user} profile: ${assertion.message}";
+      })));
 
-    users.users = mkIf cfg.useUserPackages (
-      mapAttrs (username: usercfg: {
-        packages = usercfg.home.packages;
-      }) cfg.users
-    );
+    users.users = mkIf cfg.useUserPackages
+      (mapAttrs (username: usercfg: { packages = usercfg.home.packages; })
+        cfg.users);
 
     systemd.services = mapAttrs' (_: usercfg:
-      let
-        username = usercfg.home.username;
-      in
-        nameValuePair ("home-manager-${utils.escapeSystemdPath username}") {
-          description = "Home Manager environment for ${username}";
-          wantedBy = [ "multi-user.target" ];
-          wants = [ "nix-daemon.socket" ];
-          after = [ "nix-daemon.socket" ];
+      let username = usercfg.home.username;
+      in nameValuePair ("home-manager-${utils.escapeSystemdPath username}") {
+        description = "Home Manager environment for ${username}";
+        wantedBy = [ "multi-user.target" ];
+        wants = [ "nix-daemon.socket" ];
+        after = [ "nix-daemon.socket" ];
 
-          environment = serviceEnvironment;
+        environment = serviceEnvironment;
 
-          serviceConfig = {
-            User = usercfg.home.username;
-            Type = "oneshot";
-            RemainAfterExit = "yes";
-            SyslogIdentifier = "hm-activate-${username}";
+        serviceConfig = {
+          User = usercfg.home.username;
+          Type = "oneshot";
+          RemainAfterExit = "yes";
+          SyslogIdentifier = "hm-activate-${username}";
 
-            # The activation script is run by a login shell to make sure
-            # that the user is given a sane Nix environment.
-            ExecStart = pkgs.writeScript "activate-${username}" ''
-              #! ${pkgs.runtimeShell} -el
-              echo Activating home-manager configuration for ${username}
-              exec ${usercfg.home.activationPackage}/activate
-            '';
-          };
-        }
-    ) cfg.users;
+          # The activation script is run by a login shell to make sure
+          # that the user is given a sane Nix environment.
+          ExecStart = pkgs.writeScript "activate-${username}" ''
+            #! ${pkgs.runtimeShell} -el
+            echo Activating home-manager configuration for ${username}
+            exec ${usercfg.home.activationPackage}/activate
+          '';
+        };
+      }) cfg.users;
   };
 }
diff --git a/overlay.nix b/overlay.nix
index fa779fe0..35136cc8 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -1,5 +1,3 @@
 self: super: {
-  home-manager = super.callPackage ./home-manager {
-    path = toString ./.;
-  };
+  home-manager = super.callPackage ./home-manager { path = toString ./.; };
 }
diff --git a/tests/lib/types/dag-merge.nix b/tests/lib/types/dag-merge.nix
index 058530cc..138a0b64 100644
--- a/tests/lib/types/dag-merge.nix
+++ b/tests/lib/types/dag-merge.nix
@@ -6,25 +6,19 @@ let
 
   dag = config.lib.dag;
 
-  result =
-    let
-      sorted = dag.topoSort config.tested.dag;
-      data = map (e: "${e.name}:${e.data}") sorted.result;
-    in
-      concatStringsSep "\n" data + "\n";
+  result = let
+    sorted = dag.topoSort config.tested.dag;
+    data = map (e: "${e.name}:${e.data}") sorted.result;
+  in concatStringsSep "\n" data + "\n";
 
-in
-
-{
-  options.tested.dag = mkOption {
-    type = hm.types.dagOf types.str;
-  };
+in {
+  options.tested.dag = mkOption { type = hm.types.dagOf types.str; };
 
   config = {
     tested = mkMerge [
       { dag.after = "after"; }
-      { dag.before = dag.entryBefore ["after"] "before"; }
-      { dag.between = dag.entryBetween ["after"] ["before"] "between"; }
+      { dag.before = dag.entryBefore [ "after" ] "before"; }
+      { dag.between = dag.entryBetween [ "after" ] [ "before" ] "between"; }
     ];
 
     home.file."result.txt".text = result;
diff --git a/tests/lib/types/list-or-dag-merge.nix b/tests/lib/types/list-or-dag-merge.nix
index ac592ef3..08216140 100644
--- a/tests/lib/types/list-or-dag-merge.nix
+++ b/tests/lib/types/list-or-dag-merge.nix
@@ -6,27 +6,21 @@ let
 
   dag = config.lib.dag;
 
-  result =
-    let
-      sorted = dag.topoSort config.tested.dag;
-      data = map (e: "${e.name}:${e.data}") sorted.result;
-    in
-      concatStringsSep "\n" data + "\n";
+  result = let
+    sorted = dag.topoSort config.tested.dag;
+    data = map (e: "${e.name}:${e.data}") sorted.result;
+  in concatStringsSep "\n" data + "\n";
 
-in
-
-{
-  options.tested.dag = mkOption {
-    type = hm.types.listOrDagOf types.str;
-  };
+in {
+  options.tested.dag = mkOption { type = hm.types.listOrDagOf types.str; };
 
   config = {
     tested = mkMerge [
       { dag = [ "k" "l" ]; }
       { dag = [ "a" "b" "c" "d" "e" "f" "g" "h" "i" "j" ]; }
       { dag.after = "after"; }
-      { dag.before = dag.entryBefore ["after"] "before"; }
-      { dag.between = dag.entryBetween ["after"] ["before"] "between"; }
+      { dag.before = dag.entryBefore [ "after" ] "before"; }
+      { dag.between = dag.entryBetween [ "after" ] [ "before" ] "between"; }
     ];
 
     home.file."result.txt".text = result;
diff --git a/tests/modules/files/hidden-source.nix b/tests/modules/files/hidden-source.nix
index a8635398..8169fedc 100644
--- a/tests/modules/files/hidden-source.nix
+++ b/tests/modules/files/hidden-source.nix
@@ -9,7 +9,10 @@ with lib;
     nmt.script = ''
       assertFileExists home-files/.hidden;
       assertFileContent home-files/.hidden ${
-        builtins.path { path = ./.hidden; name = "expected"; }
+        builtins.path {
+          path = ./.hidden;
+          name = "expected";
+        }
       }
     '';
   };
diff --git a/tests/modules/misc/pam/default.nix b/tests/modules/misc/pam/default.nix
index 8a64f831..81c435e7 100644
--- a/tests/modules/misc/pam/default.nix
+++ b/tests/modules/misc/pam/default.nix
@@ -1,3 +1 @@
-{
-  pam-session-variables = ./session-variables.nix;
-}
+{ pam-session-variables = ./session-variables.nix; }
diff --git a/tests/modules/misc/xdg/default.nix b/tests/modules/misc/xdg/default.nix
index 5772becd..e5d01575 100644
--- a/tests/modules/misc/xdg/default.nix
+++ b/tests/modules/misc/xdg/default.nix
@@ -1,3 +1 @@
-{
-  xdg-mime-apps-basics = ./mime-apps-basics.nix;
-}
+{ xdg-mime-apps-basics = ./mime-apps-basics.nix; }
diff --git a/tests/modules/misc/xdg/mime-apps-basics.nix b/tests/modules/misc/xdg/mime-apps-basics.nix
index 2c320710..e181e820 100644
--- a/tests/modules/misc/xdg/mime-apps-basics.nix
+++ b/tests/modules/misc/xdg/mime-apps-basics.nix
@@ -11,9 +11,7 @@ with lib;
           "mimetype1" = [ "foo1.desktop" "foo2.desktop" "foo3.desktop" ];
           "mimetype2" = "foo4.desktop";
         };
-        removed = {
-          mimetype1 = "foo5.desktop";
-        };
+        removed = { mimetype1 = "foo5.desktop"; };
       };
       defaultApplications = {
         "mimetype1" = [ "default1.desktop" "default2.desktop" ];
diff --git a/tests/modules/misc/xsession/basic.nix b/tests/modules/misc/xsession/basic.nix
index d86b57dd..39df6362 100644
--- a/tests/modules/misc/xsession/basic.nix
+++ b/tests/modules/misc/xsession/basic.nix
@@ -17,11 +17,9 @@ with lib;
     nixpkgs.overlays = [
       (self: super: {
         xorg = super.xorg // {
-          setxkbmap = super.xorg.setxkbmap // {
-            outPath = "@setxkbmap@";
-          };
+          setxkbmap = super.xorg.setxkbmap // { outPath = "@setxkbmap@"; };
         };
-     })
+      })
     ];
 
     nmt.script = ''
diff --git a/tests/modules/misc/xsession/keyboard-without-layout.nix b/tests/modules/misc/xsession/keyboard-without-layout.nix
index 5f89a29e..015efe61 100644
--- a/tests/modules/misc/xsession/keyboard-without-layout.nix
+++ b/tests/modules/misc/xsession/keyboard-without-layout.nix
@@ -8,9 +8,7 @@ with lib;
 
     home.homeDirectory = "/test-home";
 
-    home.keyboard = {
-      options = [ "ctrl:nocaps" "altwin:no_win" ];
-    };
+    home.keyboard = { options = [ "ctrl:nocaps" "altwin:no_win" ]; };
 
     xsession = {
       enable = true;
@@ -23,11 +21,9 @@ with lib;
     nixpkgs.overlays = [
       (self: super: {
         xorg = super.xorg // {
-          setxkbmap = super.xorg.setxkbmap // {
-            outPath = "@setxkbmap@";
-          };
+          setxkbmap = super.xorg.setxkbmap // { outPath = "@setxkbmap@"; };
         };
-     })
+      })
     ];
 
     nmt.script = ''
diff --git a/tests/modules/programs/alacritty/empty-settings.nix b/tests/modules/programs/alacritty/empty-settings.nix
index 5fd2792a..65470473 100644
--- a/tests/modules/programs/alacritty/empty-settings.nix
+++ b/tests/modules/programs/alacritty/empty-settings.nix
@@ -7,9 +7,7 @@ with lib;
     programs.alacritty.enable = true;
 
     nixpkgs.overlays = [
-      (self: super: {
-        alacritty = pkgs.writeScriptBin "dummy-alacritty" "";
-      })
+      (self: super: { alacritty = pkgs.writeScriptBin "dummy-alacritty" ""; })
     ];
 
     nmt.script = ''
diff --git a/tests/modules/programs/alacritty/example-settings.nix b/tests/modules/programs/alacritty/example-settings.nix
index 0caa8025..46be1064 100644
--- a/tests/modules/programs/alacritty/example-settings.nix
+++ b/tests/modules/programs/alacritty/example-settings.nix
@@ -13,20 +13,16 @@ with lib;
           columns = 200;
         };
 
-        key_bindings = [
-          {
-            key = "K";
-            mods = "Control";
-            chars = "\\x0c";
-          }
-        ];
+        key_bindings = [{
+          key = "K";
+          mods = "Control";
+          chars = "\\x0c";
+        }];
       };
     };
 
     nixpkgs.overlays = [
-      (self: super: {
-        alacritty = pkgs.writeScriptBin "dummy-alacritty" "";
-      })
+      (self: super: { alacritty = pkgs.writeScriptBin "dummy-alacritty" ""; })
     ];
 
     nmt.script = ''
diff --git a/tests/modules/programs/browserpass/browserpass.nix b/tests/modules/programs/browserpass/browserpass.nix
index 229392e1..9189a445 100644
--- a/tests/modules/programs/browserpass/browserpass.nix
+++ b/tests/modules/programs/browserpass/browserpass.nix
@@ -6,30 +6,24 @@ with lib;
   config = {
     programs.browserpass = {
       enable = true;
-      browsers = [
-        "chrome"
-        "chromium"
-        "firefox"
-        "vivaldi"
-      ];
+      browsers = [ "chrome" "chromium" "firefox" "vivaldi" ];
     };
 
-    nmt.script =
-      if pkgs.stdenv.hostPlatform.isDarwin then ''
-        for dir in "Google/Chrome" "Chromium" "Mozilla" "Vivaldi"; do
-          assertFileExists "home-files/Library/Application Support/$dir/NativeMessagingHosts/com.github.browserpass.native.json"
-        done
+    nmt.script = if pkgs.stdenv.hostPlatform.isDarwin then ''
+      for dir in "Google/Chrome" "Chromium" "Mozilla" "Vivaldi"; do
+        assertFileExists "home-files/Library/Application Support/$dir/NativeMessagingHosts/com.github.browserpass.native.json"
+      done
 
-        for dir in "Google/Chrome" "Chromium" "Vivaldi"; do
-          assertFileExists "home-files/Library/Application Support/$dir/policies/managed/com.github.browserpass.native.json"
-        done
-      '' else ''
-        for dir in "google-chrome" "chromium" "vivaldi"; do
-          assertFileExists "home-files/.config/$dir/NativeMessagingHosts/com.github.browserpass.native.json"
-          assertFileExists "home-files/.config/$dir/policies/managed/com.github.browserpass.native.json"
-        done
+      for dir in "Google/Chrome" "Chromium" "Vivaldi"; do
+        assertFileExists "home-files/Library/Application Support/$dir/policies/managed/com.github.browserpass.native.json"
+      done
+    '' else ''
+      for dir in "google-chrome" "chromium" "vivaldi"; do
+        assertFileExists "home-files/.config/$dir/NativeMessagingHosts/com.github.browserpass.native.json"
+        assertFileExists "home-files/.config/$dir/policies/managed/com.github.browserpass.native.json"
+      done
 
-        assertFileExists "home-files/.mozilla/native-messaging-hosts/com.github.browserpass.native.json"
-      '';
+      assertFileExists "home-files/.mozilla/native-messaging-hosts/com.github.browserpass.native.json"
+    '';
   };
 }
diff --git a/tests/modules/programs/browserpass/default.nix b/tests/modules/programs/browserpass/default.nix
index 478530f7..fa40ddca 100644
--- a/tests/modules/programs/browserpass/default.nix
+++ b/tests/modules/programs/browserpass/default.nix
@@ -1,3 +1 @@
-{
-  browserpass = ./browserpass.nix;
-}
+{ browserpass = ./browserpass.nix; }
diff --git a/tests/modules/programs/firefox/profile-settings.nix b/tests/modules/programs/firefox/profile-settings.nix
index f1e9be92..8c5fb4ec 100644
--- a/tests/modules/programs/firefox/profile-settings.nix
+++ b/tests/modules/programs/firefox/profile-settings.nix
@@ -6,26 +6,20 @@ with lib;
   config = {
     programs.firefox = {
       enable = true;
-      profiles.test.settings = {
-        "general.smoothScroll" = false;
-      };
+      profiles.test.settings = { "general.smoothScroll" = false; };
     };
 
     nixpkgs.overlays = [
       (self: super: {
-        firefox-unwrapped =
-          pkgs.runCommand
-            "firefox-0"
-            {
-              meta.description = "I pretend to be Firefox";
-              preferLocalBuild = true;
-              allowSubstitutes = false;
-            }
-            ''
-              mkdir -p "$out/bin"
-              touch "$out/bin/firefox"
-              chmod 755 "$out/bin/firefox"
-            '';
+        firefox-unwrapped = pkgs.runCommand "firefox-0" {
+          meta.description = "I pretend to be Firefox";
+          preferLocalBuild = true;
+          allowSubstitutes = false;
+        } ''
+          mkdir -p "$out/bin"
+          touch "$out/bin/firefox"
+          chmod 755 "$out/bin/firefox"
+        '';
       })
     ];
 
diff --git a/tests/modules/programs/firefox/state-version-19_09.nix b/tests/modules/programs/firefox/state-version-19_09.nix
index 4d65d7a7..27dc867a 100644
--- a/tests/modules/programs/firefox/state-version-19_09.nix
+++ b/tests/modules/programs/firefox/state-version-19_09.nix
@@ -10,19 +10,15 @@ with lib;
 
     nixpkgs.overlays = [
       (self: super: {
-        firefox-unwrapped =
-          pkgs.runCommand
-            "firefox-0"
-            {
-              meta.description = "I pretend to be Firefox";
-              preferLocalBuild = true;
-              allowSubstitutes = false;
-            }
-            ''
-              mkdir -p "$out/bin"
-              touch "$out/bin/firefox"
-              chmod 755 "$out/bin/firefox"
-            '';
+        firefox-unwrapped = pkgs.runCommand "firefox-0" {
+          meta.description = "I pretend to be Firefox";
+          preferLocalBuild = true;
+          allowSubstitutes = false;
+        } ''
+          mkdir -p "$out/bin"
+          touch "$out/bin/firefox"
+          chmod 755 "$out/bin/firefox"
+        '';
       })
     ];
 
diff --git a/tests/modules/programs/getmail/default.nix b/tests/modules/programs/getmail/default.nix
index a0d79e7d..cb789a90 100644
--- a/tests/modules/programs/getmail/default.nix
+++ b/tests/modules/programs/getmail/default.nix
@@ -1,3 +1 @@
-{
-  getmail = ./getmail.nix;
-}
+{ getmail = ./getmail.nix; }
diff --git a/tests/modules/programs/getmail/getmail.nix b/tests/modules/programs/getmail/getmail.nix
index d72a8d65..fe10b98f 100644
--- a/tests/modules/programs/getmail/getmail.nix
+++ b/tests/modules/programs/getmail/getmail.nix
@@ -13,7 +13,7 @@ with lib;
       "hm@example.com" = {
         getmail = {
           enable = true;
-          mailboxes = ["INBOX" "Sent" "Work"];
+          mailboxes = [ "INBOX" "Sent" "Work" ];
           destinationCommand = "/bin/maildrop";
           delete = false;
         };
@@ -23,7 +23,9 @@ with lib;
 
     nmt.script = ''
       assertFileExists home-files/.getmail/getmailhm@example.com
-      assertFileContent home-files/.getmail/getmailhm@example.com ${./getmail-expected.conf}
+      assertFileContent home-files/.getmail/getmailhm@example.com ${
+        ./getmail-expected.conf
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/git/git-with-email.nix b/tests/modules/programs/git/git-with-email.nix
index 35092198..ca577eef 100644
--- a/tests/modules/programs/git/git-with-email.nix
+++ b/tests/modules/programs/git/git-with-email.nix
@@ -25,7 +25,9 @@ with lib;
       }
 
       assertFileExists home-files/.config/git/config
-      assertFileContent home-files/.config/git/config ${./git-with-email-expected.conf}
+      assertFileContent home-files/.config/git/config ${
+        ./git-with-email-expected.conf
+      }
 
       assertGitConfig "sendemail.hm@example.com.from" "hm@example.com"
       assertGitConfig "sendemail.hm-account.from" "hm@example.org"
diff --git a/tests/modules/programs/git/git.nix b/tests/modules/programs/git/git.nix
index 3a84bf77..7c0bf52d 100644
--- a/tests/modules/programs/git/git.nix
+++ b/tests/modules/programs/git/git.nix
@@ -11,15 +11,15 @@ let
     };
   };
 
-  substituteExpected = path: pkgs.substituteAll {
-    src = path;
+  substituteExpected = path:
+    pkgs.substituteAll {
+      src = path;
 
-    git_include_path = pkgs.writeText "contents" (generators.toINI {} gitInclude);
-  };
+      git_include_path =
+        pkgs.writeText "contents" (generators.toINI { } gitInclude);
+    };
 
-in
-
-{
+in {
   config = {
     programs.git = mkMerge [
       {
@@ -32,7 +32,7 @@ in
         extraConfig = {
           extra = {
             name = "value";
-            multiple = [1];
+            multiple = [ 1 ];
           };
         };
         ignores = [ "*~" "*.swp" ];
@@ -62,14 +62,16 @@ in
         extraConfig."extra \"backcompat.with.dots\"".previously = "worked";
         extraConfig.extra.boolean = true;
         extraConfig.extra.integer = 38;
-        extraConfig.extra.multiple = [2];
+        extraConfig.extra.multiple = [ 2 ];
         extraConfig.extra.subsection.value = "test";
       }
     ];
 
     nmt.script = ''
       assertFileExists home-files/.config/git/config
-      assertFileContent home-files/.config/git/config ${substituteExpected ./git-expected.conf}
+      assertFileContent home-files/.config/git/config ${
+        substituteExpected ./git-expected.conf
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/gpg/default.nix b/tests/modules/programs/gpg/default.nix
index 5cb24817..7fed2cdc 100644
--- a/tests/modules/programs/gpg/default.nix
+++ b/tests/modules/programs/gpg/default.nix
@@ -1,3 +1 @@
-{
-  gpg-override-defaults = ./override-defaults.nix;
-}
+{ gpg-override-defaults = ./override-defaults.nix; }
diff --git a/tests/modules/programs/mbsync/default.nix b/tests/modules/programs/mbsync/default.nix
index c31e0dc7..9c369fa5 100644
--- a/tests/modules/programs/mbsync/default.nix
+++ b/tests/modules/programs/mbsync/default.nix
@@ -1,3 +1 @@
-{
-  mbsync = ./mbsync.nix;
-}
+{ mbsync = ./mbsync.nix; }
diff --git a/tests/modules/programs/mbsync/mbsync.nix b/tests/modules/programs/mbsync/mbsync.nix
index 072a7271..03a54c17 100644
--- a/tests/modules/programs/mbsync/mbsync.nix
+++ b/tests/modules/programs/mbsync/mbsync.nix
@@ -18,13 +18,9 @@ with lib;
     };
 
     accounts.email.accounts = {
-      "hm@example.com".mbsync = {
-        enable = true;
-      };
+      "hm@example.com".mbsync = { enable = true; };
 
-      hm-account.mbsync = {
-        enable = true;
-      };
+      hm-account.mbsync = { enable = true; };
     };
 
     nmt.script = ''
diff --git a/tests/modules/programs/neomutt/default.nix b/tests/modules/programs/neomutt/default.nix
index 3c778e9e..289f2705 100644
--- a/tests/modules/programs/neomutt/default.nix
+++ b/tests/modules/programs/neomutt/default.nix
@@ -1,3 +1 @@
-{
-  neomutt-simple = ./neomutt.nix;
-}
+{ neomutt-simple = ./neomutt.nix; }
diff --git a/tests/modules/programs/neomutt/neomutt.nix b/tests/modules/programs/neomutt/neomutt.nix
index d7ffadd8..91cb9dca 100644
--- a/tests/modules/programs/neomutt/neomutt.nix
+++ b/tests/modules/programs/neomutt/neomutt.nix
@@ -30,17 +30,18 @@ with lib;
       vimKeys = false;
     };
 
-    nixpkgs.overlays = [
-      (self: super: {
-        neomutt = pkgs.writeScriptBin "dummy-neomutt" "";
-      })
-    ];
+    nixpkgs.overlays =
+      [ (self: super: { neomutt = pkgs.writeScriptBin "dummy-neomutt" ""; }) ];
 
     nmt.script = ''
       assertFileExists home-files/.config/neomutt/neomuttrc
       assertFileExists home-files/.config/neomutt/hm@example.com
-      assertFileContent home-files/.config/neomutt/neomuttrc ${./neomutt-expected.conf}
-      assertFileContent home-files/.config/neomutt/hm@example.com ${./hm-example.com-expected}
+      assertFileContent home-files/.config/neomutt/neomuttrc ${
+        ./neomutt-expected.conf
+      }
+      assertFileContent home-files/.config/neomutt/hm@example.com ${
+        ./hm-example.com-expected
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/newsboat/default.nix b/tests/modules/programs/newsboat/default.nix
index a9b15a44..27f523a6 100644
--- a/tests/modules/programs/newsboat/default.nix
+++ b/tests/modules/programs/newsboat/default.nix
@@ -1,3 +1 @@
-{
-  newsboat-basics = ./newsboat-basics.nix;
-}
+{ newsboat-basics = ./newsboat-basics.nix; }
diff --git a/tests/modules/programs/newsboat/newsboat-basics.nix b/tests/modules/programs/newsboat/newsboat-basics.nix
index 49a54f6d..e6eb4151 100644
--- a/tests/modules/programs/newsboat/newsboat-basics.nix
+++ b/tests/modules/programs/newsboat/newsboat-basics.nix
@@ -14,20 +14,14 @@ with lib;
           title = "Cool feed";
         }
 
-        {
-          url = "http://example.org/feed2.xml";
-        }
+        { url = "http://example.org/feed2.xml"; }
       ];
 
-      queries = {
-        "foo" = "rssurl =~ \"example.com\"";
-      };
+      queries = { "foo" = ''rssurl =~ "example.com"''; };
     };
 
     nixpkgs.overlays = [
-      (self: super: {
-        newsboat = pkgs.writeScriptBin "dummy-newsboat" "";
-      })
+      (self: super: { newsboat = pkgs.writeScriptBin "dummy-newsboat" ""; })
     ];
 
     nmt.script = ''
diff --git a/tests/modules/programs/readline/default.nix b/tests/modules/programs/readline/default.nix
index 767d88bf..c95745d1 100644
--- a/tests/modules/programs/readline/default.nix
+++ b/tests/modules/programs/readline/default.nix
@@ -1,3 +1 @@
-{
-  readline-using-all-options = ./using-all-options.nix;
-}
+{ readline-using-all-options = ./using-all-options.nix; }
diff --git a/tests/modules/programs/readline/using-all-options.nix b/tests/modules/programs/readline/using-all-options.nix
index f5011767..104d08b8 100644
--- a/tests/modules/programs/readline/using-all-options.nix
+++ b/tests/modules/programs/readline/using-all-options.nix
@@ -7,9 +7,7 @@ with lib;
     programs.readline = {
       enable = true;
 
-      bindings = {
-        "\C-h" = "backward-kill-word";
-      };
+      bindings = { "C-h" = "backward-kill-word"; };
 
       variables = {
         bell-style = "audible";
diff --git a/tests/modules/programs/rofi/assert-on-both-theme-and-colors.nix b/tests/modules/programs/rofi/assert-on-both-theme-and-colors.nix
index 2558a258..0f9cfc39 100644
--- a/tests/modules/programs/rofi/assert-on-both-theme-and-colors.nix
+++ b/tests/modules/programs/rofi/assert-on-both-theme-and-colors.nix
@@ -13,16 +13,12 @@ with lib;
           border = "border";
           separator = "separator";
         };
-        rows = {
-        };
+        rows = { };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
       assertFileContent \
diff --git a/tests/modules/programs/ssh/default-config.nix b/tests/modules/programs/ssh/default-config.nix
index 266bc9d1..6d7e5508 100644
--- a/tests/modules/programs/ssh/default-config.nix
+++ b/tests/modules/programs/ssh/default-config.nix
@@ -4,15 +4,10 @@ with lib;
 
 {
   config = {
-    programs.ssh = {
-      enable = true;
-    };
+    programs.ssh = { enable = true; };
 
-    home.file.assertions.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.assertions.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
       assertFileExists home-files/.ssh/config
diff --git a/tests/modules/programs/ssh/forwards-dynamic-bind-path-with-port-asserts.nix b/tests/modules/programs/ssh/forwards-dynamic-bind-path-with-port-asserts.nix
index 2e9082de..cf2efe5a 100644
--- a/tests/modules/programs/ssh/forwards-dynamic-bind-path-with-port-asserts.nix
+++ b/tests/modules/programs/ssh/forwards-dynamic-bind-path-with-port-asserts.nix
@@ -8,25 +8,22 @@ with lib;
       enable = true;
       matchBlocks = {
         dynamicBindPathWithPort = {
-          dynamicForwards = [
-            {
-              # Error:
-              address = "/run/user/1000/gnupg/S.gpg-agent.extra";
-              port = 3000;
-            }
-          ];
+          dynamicForwards = [{
+            # Error:
+            address = "/run/user/1000/gnupg/S.gpg-agent.extra";
+            port = 3000;
+          }];
         };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
-      assertFileContent home-files/result ${./forwards-paths-with-ports-error.json}
+      assertFileContent home-files/result ${
+        ./forwards-paths-with-ports-error.json
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/ssh/forwards-dynamic-valid-bind-no-asserts.nix b/tests/modules/programs/ssh/forwards-dynamic-valid-bind-no-asserts.nix
index 15ab59e8..d0c3a732 100644
--- a/tests/modules/programs/ssh/forwards-dynamic-valid-bind-no-asserts.nix
+++ b/tests/modules/programs/ssh/forwards-dynamic-valid-bind-no-asserts.nix
@@ -8,31 +8,24 @@ with lib;
       enable = true;
       matchBlocks = {
         dynamicBindPathNoPort = {
-          dynamicForwards = [
-            {
-              # OK:
-              address = "/run/user/1000/gnupg/S.gpg-agent.extra";
-            }
-          ];
+          dynamicForwards = [{
+            # OK:
+            address = "/run/user/1000/gnupg/S.gpg-agent.extra";
+          }];
         };
 
         dynamicBindAddressWithPort = {
-          dynamicForwards = [
-            {
-              # OK:
-              address = "127.0.0.1";
-              port = 3000;
-            }
-          ];
+          dynamicForwards = [{
+            # OK:
+            address = "127.0.0.1";
+            port = 3000;
+          }];
         };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
       assertFileExists home-files/.ssh/config
diff --git a/tests/modules/programs/ssh/forwards-local-bind-path-with-port-asserts.nix b/tests/modules/programs/ssh/forwards-local-bind-path-with-port-asserts.nix
index c05cba82..f9d8e2da 100644
--- a/tests/modules/programs/ssh/forwards-local-bind-path-with-port-asserts.nix
+++ b/tests/modules/programs/ssh/forwards-local-bind-path-with-port-asserts.nix
@@ -8,29 +8,26 @@ with lib;
       enable = true;
       matchBlocks = {
         localBindPathWithPort = {
-          localForwards = [
-            {
-              # OK:
-              host.address = "127.0.0.1";
-              host.port = 3000;
+          localForwards = [{
+            # OK:
+            host.address = "127.0.0.1";
+            host.port = 3000;
 
-              # Error:
-              bind.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
-              bind.port = 3000;
-            }
-          ];
+            # Error:
+            bind.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
+            bind.port = 3000;
+          }];
         };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
-      assertFileContent home-files/result ${./forwards-paths-with-ports-error.json}
+      assertFileContent home-files/result ${
+        ./forwards-paths-with-ports-error.json
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/ssh/forwards-local-host-path-with-port-asserts.nix b/tests/modules/programs/ssh/forwards-local-host-path-with-port-asserts.nix
index 8cecc5e5..02a7e5b1 100644
--- a/tests/modules/programs/ssh/forwards-local-host-path-with-port-asserts.nix
+++ b/tests/modules/programs/ssh/forwards-local-host-path-with-port-asserts.nix
@@ -8,29 +8,26 @@ with lib;
       enable = true;
       matchBlocks = {
         localHostPathWithPort = {
-          localForwards = [
-            {
-              # OK:
-              bind.address = "127.0.0.1";
-              bind.port = 3000;
+          localForwards = [{
+            # OK:
+            bind.address = "127.0.0.1";
+            bind.port = 3000;
 
-              # Error:
-              host.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
-              host.port = 3000;
-            }
-          ];
+            # Error:
+            host.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
+            host.port = 3000;
+          }];
         };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
-      assertFileContent home-files/result ${./forwards-paths-with-ports-error.json}
+      assertFileContent home-files/result ${
+        ./forwards-paths-with-ports-error.json
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/ssh/forwards-remote-bind-path-with-port-asserts.nix b/tests/modules/programs/ssh/forwards-remote-bind-path-with-port-asserts.nix
index a0473147..61ce9ae0 100644
--- a/tests/modules/programs/ssh/forwards-remote-bind-path-with-port-asserts.nix
+++ b/tests/modules/programs/ssh/forwards-remote-bind-path-with-port-asserts.nix
@@ -8,29 +8,26 @@ with lib;
       enable = true;
       matchBlocks = {
         remoteBindPathWithPort = {
-          remoteForwards = [
-            {
-              # OK:
-              host.address = "127.0.0.1";
-              host.port = 3000;
+          remoteForwards = [{
+            # OK:
+            host.address = "127.0.0.1";
+            host.port = 3000;
 
-              # Error:
-              bind.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
-              bind.port = 3000;
-            }
-          ];
+            # Error:
+            bind.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
+            bind.port = 3000;
+          }];
         };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
-      assertFileContent home-files/result ${./forwards-paths-with-ports-error.json}
+      assertFileContent home-files/result ${
+        ./forwards-paths-with-ports-error.json
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/ssh/forwards-remote-host-path-with-port-asserts.nix b/tests/modules/programs/ssh/forwards-remote-host-path-with-port-asserts.nix
index 770b8ab2..71bdbcb7 100644
--- a/tests/modules/programs/ssh/forwards-remote-host-path-with-port-asserts.nix
+++ b/tests/modules/programs/ssh/forwards-remote-host-path-with-port-asserts.nix
@@ -8,29 +8,26 @@ with lib;
       enable = true;
       matchBlocks = {
         remoteHostPathWithPort = {
-          remoteForwards = [
-            {
-              # OK:
-              bind.address = "127.0.0.1";
-              bind.port = 3000;
+          remoteForwards = [{
+            # OK:
+            bind.address = "127.0.0.1";
+            bind.port = 3000;
 
-              # Error:
-              host.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
-              host.port = 3000;
-            }
-          ];
+            # Error:
+            host.address = "/run/user/1000/gnupg/S.gpg-agent.extra";
+            host.port = 3000;
+          }];
         };
       };
     };
 
-    home.file.result.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.result.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
-      assertFileContent home-files/result ${./forwards-paths-with-ports-error.json}
+      assertFileContent home-files/result ${
+        ./forwards-paths-with-ports-error.json
+      }
     '';
   };
 }
diff --git a/tests/modules/programs/ssh/match-blocks-attrs.nix b/tests/modules/programs/ssh/match-blocks-attrs.nix
index 94263ef9..a84a703e 100644
--- a/tests/modules/programs/ssh/match-blocks-attrs.nix
+++ b/tests/modules/programs/ssh/match-blocks-attrs.nix
@@ -15,13 +15,11 @@ with lib;
         xyz = {
           identityFile = "file";
           serverAliveInterval = 60;
-          localForwards = [
-            {
-              bind.port = 8080;
-              host.address = "10.0.0.1";
-              host.port = 80;
-            }
-          ];
+          localForwards = [{
+            bind.port = 8080;
+            host.address = "10.0.0.1";
+            host.port = 80;
+          }];
           remoteForwards = [
             {
               bind.port = 8081;
@@ -33,25 +31,18 @@ with lib;
               host.address = "/run/user/1000/gnupg/S.gpg-agent";
             }
           ];
-          dynamicForwards = [
-            {
-              port = 2839;
-            }
-          ];
+          dynamicForwards = [{ port = 2839; }];
         };
 
         "* !github.com" = {
-          identityFile = ["file1" "file2"];
+          identityFile = [ "file1" "file2" ];
           port = 516;
         };
       };
     };
 
-    home.file.assertions.text =
-      builtins.toJSON
-      (map (a: a.message)
-      (filter (a: !a.assertion)
-        config.assertions));
+    home.file.assertions.text = builtins.toJSON
+      (map (a: a.message) (filter (a: !a.assertion) config.assertions));
 
     nmt.script = ''
       assertFileExists home-files/.ssh/config
diff --git a/tests/modules/programs/texlive/default.nix b/tests/modules/programs/texlive/default.nix
index e9a6f882..23bfe2da 100644
--- a/tests/modules/programs/texlive/default.nix
+++ b/tests/modules/programs/texlive/default.nix
@@ -1,3 +1 @@
-{
-  texlive-minimal = ./texlive-minimal.nix;
-}
+{ texlive-minimal = ./texlive-minimal.nix; }
diff --git a/tests/modules/programs/tmux/vi-all-true.nix b/tests/modules/programs/tmux/vi-all-true.nix
index 70787128..bce032fd 100644
--- a/tests/modules/programs/tmux/vi-all-true.nix
+++ b/tests/modules/programs/tmux/vi-all-true.nix
@@ -16,9 +16,7 @@ with lib;
     nixpkgs.overlays = [
       (self: super: {
         tmuxPlugins = super.tmuxPlugins // {
-          sensible = super.tmuxPlugins.sensible // {
-            rtp = "@sensible_rtp@";
-          };
+          sensible = super.tmuxPlugins.sensible // { rtp = "@sensible_rtp@"; };
         };
       })
     ];
diff --git a/tests/modules/programs/zsh/history-path-new-custom.nix b/tests/modules/programs/zsh/history-path-new-custom.nix
index 6a8c7372..0c052d69 100644
--- a/tests/modules/programs/zsh/history-path-new-custom.nix
+++ b/tests/modules/programs/zsh/history-path-new-custom.nix
@@ -10,11 +10,8 @@ with lib;
       history.path = "$HOME/some/directory/zsh_history";
     };
 
-    nixpkgs.overlays = [
-      (self: super: {
-        zsh = pkgs.writeScriptBin "dummy-zsh" "";
-      })
-    ];
+    nixpkgs.overlays =
+      [ (self: super: { zsh = pkgs.writeScriptBin "dummy-zsh" ""; }) ];
 
     nmt.script = ''
       assertFileRegex home-files/.zshrc '^HISTFILE="$HOME/some/directory/zsh_history"$'
diff --git a/tests/modules/programs/zsh/history-path-new-default.nix b/tests/modules/programs/zsh/history-path-new-default.nix
index b01bd92d..6d1f58a2 100644
--- a/tests/modules/programs/zsh/history-path-new-default.nix
+++ b/tests/modules/programs/zsh/history-path-new-default.nix
@@ -7,11 +7,8 @@ with lib;
     home.stateVersion = "20.03";
     programs.zsh.enable = true;
 
-    nixpkgs.overlays = [
-      (self: super: {
-        zsh = pkgs.writeScriptBin "dummy-zsh" "";
-      })
-    ];
+    nixpkgs.overlays =
+      [ (self: super: { zsh = pkgs.writeScriptBin "dummy-zsh" ""; }) ];
 
     nmt.script = ''
       assertFileRegex home-files/.zshrc '^HISTFILE="$HOME/.zsh_history"$'
diff --git a/tests/modules/programs/zsh/history-path-old-custom.nix b/tests/modules/programs/zsh/history-path-old-custom.nix
index 672ccc81..f5b178b5 100644
--- a/tests/modules/programs/zsh/history-path-old-custom.nix
+++ b/tests/modules/programs/zsh/history-path-old-custom.nix
@@ -10,11 +10,8 @@ with lib;
       history.path = "some/directory/zsh_history";
     };
 
-    nixpkgs.overlays = [
-      (self: super: {
-        zsh = pkgs.writeScriptBin "dummy-zsh" "";
-      })
-    ];
+    nixpkgs.overlays =
+      [ (self: super: { zsh = pkgs.writeScriptBin "dummy-zsh" ""; }) ];
 
     nmt.script = ''
       assertFileRegex home-files/.zshrc '^HISTFILE="$HOME/some/directory/zsh_history"$'
diff --git a/tests/modules/programs/zsh/history-path-old-default.nix b/tests/modules/programs/zsh/history-path-old-default.nix
index a89070c9..d880d966 100644
--- a/tests/modules/programs/zsh/history-path-old-default.nix
+++ b/tests/modules/programs/zsh/history-path-old-default.nix
@@ -7,11 +7,8 @@ with lib;
     home.stateVersion = "19.03";
     programs.zsh.enable = true;
 
-    nixpkgs.overlays = [
-      (self: super: {
-        zsh = pkgs.writeScriptBin "dummy-zsh" "";
-      })
-    ];
+    nixpkgs.overlays =
+      [ (self: super: { zsh = pkgs.writeScriptBin "dummy-zsh" ""; }) ];
 
     nmt.script = ''
       assertFileRegex home-files/.zshrc '^HISTFILE="$HOME/.zsh_history"$'
diff --git a/tests/modules/services/sxhkd/configuration.nix b/tests/modules/services/sxhkd/configuration.nix
index ac04a7ec..992c4b18 100644
--- a/tests/modules/services/sxhkd/configuration.nix
+++ b/tests/modules/services/sxhkd/configuration.nix
@@ -1,5 +1,4 @@
-{ config, ... }:
-{
+{ config, ... }: {
   config = {
     services.sxhkd = {
       enable = true;
@@ -13,7 +12,7 @@
       extraConfig = ''
         super + c
           call command c
- 
+
         # comment
         super + d
           call command d
diff --git a/tests/modules/services/window-managers/i3/default.nix b/tests/modules/services/window-managers/i3/default.nix
index 6105eb41..e239d6c0 100644
--- a/tests/modules/services/window-managers/i3/default.nix
+++ b/tests/modules/services/window-managers/i3/default.nix
@@ -1,3 +1 @@
-{
-  i3-keybindings = ./i3-keybindings.nix;
-}
+{ i3-keybindings = ./i3-keybindings.nix; }
diff --git a/tests/modules/services/window-managers/i3/i3-keybindings.nix b/tests/modules/services/window-managers/i3/i3-keybindings.nix
index 89e545be..4f8515e6 100644
--- a/tests/modules/services/window-managers/i3/i3-keybindings.nix
+++ b/tests/modules/services/window-managers/i3/i3-keybindings.nix
@@ -8,29 +8,21 @@ with lib;
       enable = true;
 
       config.keybindings =
-        let
-          modifier = config.xsession.windowManager.i3.config.modifier;
-        in
-          lib.mkOptionDefault {
-            "${modifier}+Left" = "overridden-command";
-            "${modifier}+Right" = null;
-            "${modifier}+Invented" = "invented-key-command";
-          };
+        let modifier = config.xsession.windowManager.i3.config.modifier;
+        in lib.mkOptionDefault {
+          "${modifier}+Left" = "overridden-command";
+          "${modifier}+Right" = null;
+          "${modifier}+Invented" = "invented-key-command";
+        };
     };
 
     nixpkgs.overlays = [
       (self: super: {
-        dmenu = super.dmenu // {
-          outPath = "@dmenu@";
-        };
+        dmenu = super.dmenu // { outPath = "@dmenu@"; };
 
-        i3 = super.i3 // {
-          outPath = "@i3@";
-        };
+        i3 = super.i3 // { outPath = "@i3@"; };
 
-        i3status = super.i3status // {
-          outPath = "@i3status@";
-        };
+        i3status = super.i3status // { outPath = "@i3status@"; };
       })
     ];
 
diff --git a/tests/modules/systemd/timers.nix b/tests/modules/systemd/timers.nix
index 0fa0070c..eaa43f17 100644
--- a/tests/modules/systemd/timers.nix
+++ b/tests/modules/systemd/timers.nix
@@ -5,17 +5,11 @@ with lib;
 {
   config = {
     systemd.user.timers.test-timer = {
-      Unit = {
-        Description = "A basic test timer";
-      };
+      Unit = { Description = "A basic test timer"; };
 
-      Timer = {
-        OnUnitActiveSec = "1h 30m";
-      };
+      Timer = { OnUnitActiveSec = "1h 30m"; };
 
-      Install = {
-        WantedBy = [ "timers.target" ];
-      };
+      Install = { WantedBy = [ "timers.target" ]; };
     };
 
     nmt.script = ''
diff --git a/tests/modules/xresources/default.nix b/tests/modules/xresources/default.nix
index 0e96aef9..afd15fbd 100644
--- a/tests/modules/xresources/default.nix
+++ b/tests/modules/xresources/default.nix
@@ -1,3 +1 @@
-{
-  xresources = ./xresources.nix;
-}
+{ xresources = ./xresources.nix; }