{ pkgs, config, lib, options, ... }: with lib; let cfg = config.modules.desktop.apps.mpc; in { options.modules.desktop.apps.mpc = { enable = mkOption { type = types.bool; default = false; }; }; config = mkIf cfg.enable { modules.services.mpd.enable = true; environment.systemPackages = with pkgs; [ mpc_cli ]; }; }