diff --git a/lib/types.nix b/lib/types.nix index bb1b17e6bee..4872a676657 100644 --- a/lib/types.nix +++ b/lib/types.nix @@ -242,8 +242,7 @@ rec { path = mkOptionType { name = "path"; - # Hacky: there is no ‘isPath’ primop. - check = x: builtins.substring 0 1 (toString x) == "/"; + check = x: isCoercibleToString x && builtins.substring 0 1 (toString x) == "/"; merge = mergeEqualOption; };