diff --git a/lib/modules.nix b/lib/modules.nix index e2315290ff0..2b1faf4f0c2 100644 --- a/lib/modules.nix +++ b/lib/modules.nix @@ -764,12 +764,15 @@ rec { fromOpt = getAttrFromPath from options; toOf = attrByPath to (abort "Renaming error: option `${showOption to}' does not exist."); + toType = let opt = attrByPath to {} options; in opt.type or null; in { options = setAttrByPath from (mkOption { inherit visible; description = "Alias of ."; apply = x: use (toOf config); + } // optionalAttrs (toType != null) { + type = toType; }); config = mkMerge [ {