lsd: add module

modules/misc/news.nix

@@ -1005,6 +1005,13 @@ in
           A new module is available: 'programs.bat'.
         '';
       }
+
+      {
+        time = "2019-03-19T23:07:34+00:00";
+        message = ''
+          A new module is available: 'programs.lsd'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -60,6 +60,7 @@ let
     (loadModule ./programs/jq.nix { })
     (loadModule ./programs/keychain.nix { })
     (loadModule ./programs/lesspipe.nix { })
+    (loadModule ./programs/lsd.nix { })
     (loadModule ./programs/man.nix { })
     (loadModule ./programs/matplotlib.nix { })
     (loadModule ./programs/mbsync.nix { })

modules/programs/lsd.nix

@@ -0,0 +1,41 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.lsd;
+
+  aliases = {
+    ls = "${pkgs.lsd}/bin/lsd";
+    ll = "ls -l";
+    la = "ls -a";
+    lt = "ls --tree";
+    lla ="ls -la";
+  };
+
+in
+
+{
+  meta.maintainers = [ maintainers.marsam ];
+
+  options.programs.lsd = {
+    enable = mkEnableOption "lsd";
+
+    enableAliases = mkOption {
+      default = false;
+      type = types.bool;
+      description = ''
+        Whether to enable recommended lsd aliases.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ pkgs.lsd ];
+
+    programs.bash.shellAliases = mkIf cfg.enableAliases aliases;
+
+    programs.zsh.shellAliases = mkIf cfg.enableAliases aliases;
+  };
+}