nixos/self-deploy: make nixAttribute nullable (#125617)

Allows using a nix file that directly provides the derivation
2021-06-07 12:44:13 -07:00
parent 2d8ab98b1e
commit 47db174a3c
1 changed files with 3 additions and 1 deletions
@@ -37,7 +37,9 @@ in
    };

    nixAttribute = lib.mkOption {
-      type = lib.types.str;
+      type = with lib.types; nullOr str;
+
+      default = null;

      description = ''
        Attribute of `nixFile` that builds the current system.