emacs: document how to list available extra packages

(cherry picked from commit 5eed33ef08)
2019-08-18 13:33:34 +02:00 · 2019-08-18 13:33:34 +02:00 · 0f85326dee
parent 35d31c390d
commit 0f85326dee
1 changed files with 5 additions and 1 deletions
--- a/modules/programs/emacs.nix
+++ b/modules/programs/emacs.nix
@ -36,7 +36,11 @@ in
        default = self: [];
        defaultText = "epkgs: []";
        example = literalExample "epkgs: [ epkgs.emms epkgs.magit ]";
-        description = "Extra packages available to Emacs.";
+        description = ''
+          Extra packages available to Emacs. To get a list of
+          available packages run:
+          <command>nix-env -f '&lt;nixpkgs&gt;' -qaP -A emacsPackagesNg</command>.
+        '';
      };

      overrides = mkOption {