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

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

  nix.settings = {
    trusted-substituters = [
      "https://t2linux.cachix.org"
    ];
    trusted-public-keys = [
      "t2linux.cachix.org-1:P733c5Gt1qTcxsm+Bae0renWnT8OLs0u9+yfaK2Bejw="
    ];
  };

    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";
      };
    };
  };
}