# Tumbler { config, pkgs, lib, ... }: with lib; let cfg = config.services.tumbler; tumbler = cfg.package; in { ###### interface options = { services.tumbler = { enable = mkEnableOption "Tumbler, A D-Bus thumbnailer service"; package = mkOption { type = types.package; default = pkgs.xfce4-13.tumbler; description = "Which tumbler package to use"; example = pkgs.xfce4-12.tumbler; }; }; }; ###### implementation config = mkIf cfg.enable { environment.systemPackages = [ tumbler ]; services.dbus.packages = [ tumbler ]; }; }