{ config, lib, pkgs, ... }: let cfg = config.my.hardware.debug; in { options.my.hardware.debug = { enable = lib.mkEnableOption "hardware-debug configuration"; }; config = lib.mkIf cfg.enable { environment.systemPackages = with pkgs; [ dmidecode f3 hdparm lm_sensors nvme-cli pciutils smartmontools testdisk ]; }; }