{ config, lib, namespace, options, pkgs, ... }: with lib; with lib.${namespace}; let cfg = config.${namespace}.submodules.games; in { options.${namespace}.submodules.games = with types; { enable = mkBoolOpt false "Whether or not you want to enable steam and other games"; }; config = mkIf cfg.enable { environment.systemPackages = with pkgs; [ prismlauncher ]; ${namespace} = { apps = { steam = enabled; }; }; }; }