{ config, lib, pkgs, ... }: with lib; { options = { services.xscreensaver = { enable = mkEnableOption "XScreenSaver"; }; }; config = mkIf config.services.xscreensaver.enable { systemd.user.services.xscreensaver = { Unit = { Description = "XScreenSaver"; }; Service = { ExecStart = "${pkgs.xscreensaver}/bin/xscreensaver -no-splash"; }; Install = { WantedBy = [ "xorg.target" ]; }; }; }; }