nixos-configuration/modules/hardware/default.nix

modulesCfg: {
  modulesPath,
  lib,
  ...
}: let
  hostName = modulesCfg.hostName;
in {
  imports = [
    (modulesPath + "/installer/scan/not-detected.nix")
    (builtins.toString ./. + "/${hostName}.nix")
    ./common-desktop.nix
  ];

  options.my.modulesCfg.hostName = lib.mkOption {
    type = lib.types.str;
  };

  config = {
    networking.hostName = hostName;

    boot.loader = {
      systemd-boot.enable = true;
      efi.canTouchEfiVariables = true;
    };

    # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
    # (the default) this is the recommended approach. When using systemd-networkd it's
    # still possible to use this option, but it's recommended to use it in conjunction
    # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
    networking.useDHCP = lib.mkDefault true;
    # networking.interfaces.eno1.useDHCP = lib.mkDefault true;
    # networking.interfaces.wlp5s0.useDHCP = lib.mkDefault true;

    hardware.enableRedistributableFirmware = true;

    nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
  };
}