From 5eed33ef087f9267c956e902861168616a47ca74 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Sun, 18 Aug 2019 13:33:34 +0200
Subject: [PATCH] emacs: document how to list available extra packages

---
 modules/programs/emacs.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/modules/programs/emacs.nix b/modules/programs/emacs.nix
index fc796af5..0b1514f2 100644
--- a/modules/programs/emacs.nix
+++ b/modules/programs/emacs.nix
@@ -39,7 +39,11 @@ in
         type = hmTypes.selectorFunction;
         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 {