{ config, lib, pkgs, ... }: let cfg = config.programs.qdmr; in { meta.maintainers = [ lib.maintainers.janik ]; options = { programs.qdmr = { enable = lib.mkEnableOption (lib.mdDoc "QDMR - a GUI application and command line tool for programming DMR radios"); package = lib.mkPackageOption pkgs "qdmr" { }; }; }; config = lib.mkIf cfg.enable { environment.systemPackages = [ cfg.package ]; services.udev.packages = [ cfg.package ]; users.groups.dialout = {}; }; }