nixos/metacity: Avoid top-level with

{ config, lib, pkgs, ... }:

with lib;

let

  cfg = config.services.xserver.windowManager.metacity;

{

  options = {

    services.xserver.windowManager.metacity.enable = mkEnableOption "metacity";

    services.xserver.windowManager.metacity.enable = lib.mkEnableOption "metacity";

  };

  config = mkIf cfg.enable {

  config = lib.mkIf cfg.enable {

    services.xserver.windowManager.session = singleton

    services.xserver.windowManager.session = lib.singleton

      { name = "metacity";

        start = ''

          ${metacity}/bin/metacity &