1 files changed, 9 insertions, 0 deletions
diff --git a/modules/common/nixpkgs.nix b/modules/common/nixpkgs.nix
index 36ebbb075..486cf0207 100644
--- a/modules/common/nixpkgs.nix
+++ b/modules/common/nixpkgs.nix
@@ -10,7 +10,16 @@ with lib;
     };
     nixpkgs.rev = mkOption {
       type = types.str;
+      default = "origin/master";
       description = "Revision of the remote repository.";
     };
+    nixpkgs.dirty = mkOption {
+      type = types.bool;
+      default = false;
+      description = ''
+        If nixpkgs.url is a local path, then use that as it is.
+        TODO this break if URL is not a local path.
+      '';
+    };
   };
 }