{ config, pkgs, ... }: with pkgs.lib; let cfg = config.services.xserver.desktopManager.xterm; in { options = { services.xserver.desktopManager.xterm.enable = mkOption { default = true; example = false; description = "Enable a xterm terminal as a desktop manager."; }; }; config = mkIf cfg.enable { services.xserver.desktopManager.session = singleton { name = "xterm"; start = '' ${pkgs.xterm}/bin/xterm -ls & waitPID=$! ''; }; environment.systemPackages = [ pkgs.xterm ]; }; }