{ config, pkgs, lib, ... }: with lib; let cfg = config.programs.flexoptix-app; in { options = { programs.flexoptix-app = { enable = mkEnableOption "FLEXOPTIX app + udev rules"; package = mkOption { description = "FLEXOPTIX app package to use"; type = types.package; default = pkgs.flexoptix-app; defaultText = "\${pkgs.flexoptix-app}"; }; }; }; config = mkIf cfg.enable { environment.systemPackages = [ cfg.package ]; services.udev.packages = [ cfg.package ]; }; }