{ config, lib, ... }:
let
  unfree = config.maid.unfree;
  types = lib.types;
in
{
  options.maid.unfree = lib.mkOption {
    type = types.listOf types.str;
    description = "unfree software list";
    default = [];
  };

  config.nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) config.maid.unfree;
}