octant: add module

modules/misc/news.nix

@@ -1782,6 +1782,13 @@ in
           A new module is available: 'programs.rofi.pass'.
         '';
       }
+
+      {
+        time = "2020-12-31T14:16:47+00:00";
+        message = ''
+          A new module is available: 'programs.octant'.
+        '';
+      }
     ];
   };
 }

modules/modules.nix

@@ -103,6 +103,7 @@ let
     (loadModule ./programs/notmuch.nix { })
     (loadModule ./programs/nushell.nix { })
     (loadModule ./programs/obs-studio.nix { })
+    (loadModule ./programs/octant.nix { })
     (loadModule ./programs/offlineimap.nix { })
     (loadModule ./programs/opam.nix { })
     (loadModule ./programs/password-store.nix { })

modules/programs/octant.nix

@@ -0,0 +1,51 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.programs.octant;
+
+  mkPluginEnv = packages:
+    let
+      pluginDirs = map (pkg: "${pkg}/bin") packages;
+      plugins = concatMapStringsSep " " (p: "${p}/*") pluginDirs;
+    in pkgs.runCommandLocal "octant-plugins" { } ''
+      mkdir $out
+      [[ '${plugins}' ]] || exit 0
+      for plugin in ${plugins}; do
+        ln -s "$plugin" $out/
+      done
+    '';
+
+in {
+  meta.maintainers = with maintainers; [ jk ];
+
+  options = {
+    programs.octant = {
+      enable = mkEnableOption "octant";
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.octant;
+        defaultText = literalExample "pkgs.octant";
+        example = literalExample "pkgs.octant-other";
+        description = "The Octant package to use.";
+      };
+
+      plugins = mkOption {
+        default = [ ];
+        example = literalExample "[ pkgs.starboard-octant-plugin ]";
+        description = "Optional Octant plugins.";
+        type = types.listOf types.package;
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    home.packages = [ cfg.package ];
+
+    xdg.configFile."octant/plugins" =
+      mkIf (cfg.plugins != [ ]) { source = mkPluginEnv cfg.plugins; };
+  };
+}