{ config, lib, pkgs, ... }: with lib; let cfg = config.services.ratbagd; in { ###### interface options = { services.ratbagd = { enable = mkEnableOption "ratbagd for configuring gaming mice"; }; }; ###### implementation config = mkIf cfg.enable { # Give users access to the "ratbagctl" tool environment.systemPackages = [ pkgs.libratbag ]; services.dbus.packages = [ pkgs.libratbag ]; systemd.packages = [ pkgs.libratbag ]; }; }