{ pkgs, config, ... }: with pkgs.lib; let cfg = config.services.xserver.windowManager.i3; in { options = { services.xserver.windowManager.i3 = { enable = mkOption { default = false; example = true; description = "Enable the i3 tiling window manager."; }; configFile = mkOption { default = null; type = types.nullOr types.path; description = '' Path to the i3 configuration file. If left at the default value, $HOME/.i3/config will be used. ''; }; }; }; config = mkIf cfg.enable { services.xserver.windowManager = { session = [{ name = "i3"; start = " ${pkgs.i3}/bin/i3 ${optionalString (cfg.configFile != null) "-c \"${cfg.configFile}\"" } & waitPID=$! "; }]; }; environment.x11Packages = [ pkgs.i3 ]; }; }