{ lib, pkgs, config, ... }: with lib; let name = "lock"; # the lock program lockProgram = pkgs.writeShellScriptBin "${name}" '' ${pkgs.xlockmore}/bin/xlock -mode life1d -size 1 ''; in { config = mkIf config.components.gui.enable { environment.systemPackages = [ lockProgram (pkgs.makeDesktopItem { name = "lock"; desktopName = "lock"; exec = "${lockProgram}/bin/lock"; terminal = false; }) ]; }; }