flake-ooni/hosts/modules/core/t2-firmware.nix

{
  inputs,
  pkgs,
  ...
}: {
  imports = [
    inputs.nixos-hardware.nixosModules.apple-t2
  ];

  environment.systemPackages = with pkgs; [
    # t2-firmware dependencies
    # REF: https://github.com/t2linux/nixos-t2-iso
    python3
    dmg2img
    # get-apple-firmware
  ];

  hardware = {
    apple.touchBar.enable = true;

    # REF: https://github.com/NixOS/nixos-hardware/blob/master/apple/t2/default.nix
    apple-t2 = {
      # the macbook does not have an AMD dGPU (iGPU)
      enableIGPU = false;

      kernelChannel = "stable";

      firmware = {
        enable = true;
        version = "sonoma";
      };
    };
  };
}