{ config, lib, pkgs, ... }: let cfg = config.programs.virt-manager; in { options.programs.virt-manager = { enable = lib.mkEnableOption "virt-manager, an UI for managing virtual machines in libvirt"; package = lib.mkPackageOption pkgs "virt-manager" {}; }; config = lib.mkIf cfg.enable { environment.systemPackages = [ cfg.package ]; programs.dconf.enable = true; }; }