home-environment: add option `home.extraProfileCommands`

This _internal_ option indicates extra commands that should be run in
the `postBuild` step of the profile environment build.

Fixes #386

1 files changed, 11 insertions, 0 deletions

diff --git a/modules/home-environment.nix b/modules/home-environment.nix
index 229e3d22ff4..c98cb9ea966 100644
--- a/modules/home-environment.nix
+++ b/modules/home-environment.nix
@@ -243,6 +243,15 @@ in
         Extra commands to run in the Home Manager generation builder.
       '';
     };
+
+    home.extraProfileCommands = mkOption {
+      type = types.lines;
+      default = "";
+      internal = true;
+      description = ''
+        Extra commands to run in the Home Manager profile builder.
+      '';
+    };
   };
 
   config = {
@@ -373,6 +382,8 @@ in
       paths = cfg.packages;
       inherit (cfg) extraOutputsToInstall;
 
+      postBuild = cfg.extraProfileCommands;
+
       meta = {
         description = "Environment of packages installed through home-manager";
       };