{ config, lib, pkgs, ... }: with lib; let cfg = config.custom.services.ratbagd; in { options.custom.services.ratbagd.enable = mkOption {default = false;}; config = mkIf cfg.enable { # https://github.com/libratbag/libratbag # https://github.com/libratbag/piper services.ratbagd.enable = true; environment.systemPackages = with pkgs; [piper]; }; }