{ lib, config, pkgs, ... }: let inherit (lib) mkIf mkOption types; in { options.smayzy.mouse.enable = mkOption { type = types.bool; default = false; description = "mouse's config software : piper"; }; config = mkIf config.smayzy.mouse.enable { environment.systemPackages = with pkgs; [ piper ]; services.ratbagd.enable = true; }; }