Merge pull request #310880 from presto8/warn-xss-lock

        ]);

      serviceConfig.Restart = "always";

    };

    warnings = lib.mkIf (config.services.xserver.displayManager.startx.enable) [

      "xss-lock service only works if a displayManager is set; it doesn't work when services.xserver.displayManager.startx.enable = true"

    ];

  };

}