1 files changed, 7 insertions, 1 deletions
diff --git a/modules/git.nix b/modules/git.nix
index 56daf19..5237a4d 100644
--- a/modules/git.nix
+++ b/modules/git.nix
@@ -122,7 +122,13 @@ let
       # A setting's value of `null` means cgit's default should be used.
       options = {
         about-filter = mkOption {
-          type = types.nullOr types.package;
+          type = lib.types.nullOr (lib.types.oneOf [
+            lib.types.package
+            (lib.types.addCheck lib.types.str
+              (s:
+                lib.hasPrefix "lua:" s &&
+                lib.types.package.check (lib.removePrefix "lua:" s)))
+          ]);
           default = null;
         };
         cache-root = mkOption {