copnix/nixos/boot/opencore.nix

{ config, pkgs, lib, inputs, ... }:

let
  ocPath = "/boot/EFI/OC";
  liminePath = "/boot/EFI/limine";

  ocResources = pkgs.fetchzip {
    url = "https://github.com/acidanthera/OcBinaryData/archive/refs/heads/master.zip";
    sha256 = "sha256-B5CABp0Y2dAVuw7185suaUuryl3iII4QNBVBttivQ7Y=";
  };

  oceanixPkgs = import pkgs.path {
    inherit (pkgs) system config;
    overlays = [ inputs.oceanix.overlays.default ];
  };

  ocConfig = inputs.oceanix.lib.OpenCoreConfig {
    pkgs = oceanixPkgs;
    modules = [
      ({ ... }: {
        oceanix.opencore.settings = {
          UEFI.Output.ProvideConsoleGop = true;
          UEFI.Output.Resolution = "1366x768";
          UEFI.Output.TextRenderer = "BuiltinGraphics";

          Misc.Boot.PickerMode = "External";
          Misc.Boot.PickerVariant = "Acidanthera\\Syrah";
          Misc.Boot.PickerAttributes = 17;
          Misc.Boot.Timeout = 10;

          Misc.Security.SecureBootModel = "Disabled";
          Misc.Security.ScanPolicy = 0;
          Misc.Security.Vault = "Optional";
          UEFI.Quirks.DisableSecurityPolicy = true;
          UEFI.Quirks.ReleaseUsbOwnership = true;

          PlatformInfo.Automatic = true;
          PlatformInfo.Generic.SystemProductName = "MacBookPro16,1";
          PlatformInfo.Generic.SystemSerialNumber = "C02DF0Y0MD6N";
          PlatformInfo.Generic.SystemUUID = "5445524E-A59B-4D8B-9B2F-9876543210AB";

          Misc.Entries = [
            {
              Name = "Limine";
              Enabled = true;
              Path = "PciRoot(0x0)/Pci(0x1f,0x2)/Sata(2,0,0)/HD(1,GPT,73ae5e9a-c31d-4787-9792-ee1843de3e9d,0x800,0x200000)/\\EFI\\limine\\BOOTX64.EFI";
            }
          ];

          UEFI.Drivers = {
            "OpenRuntime.efi" = { Enabled = true; };
            "OpenCanopy.efi" = { Enabled = true; };
            "OpenLinuxBoot.efi" = { Enabled = true; };
            "OpenUsbKbDxe.efi" = { Enabled = true; };
          };
        };
      })
    ];
  };

  limineConf = pkgs.writeText "limine.conf" ''
    TIMEOUT=5
    GRAPHICS=yes
    INTERFACE_RESOLUTION=1366x768

    :NixOS (Systemd-Boot)
        PROTOCOL=chainload
        PATH=boot:///EFI/systemd/systemd-bootx64.efi
  '';

in
{
  system.activationScripts.opencoreConfig = {
    text = ''
      echo "--- Kopurando In1t ---"
      
      mkdir -p ${liminePath}

      rm -rf ${ocPath}
      mkdir -p ${ocPath}

      cp -rf ${ocConfig.efiPackage}/EFI/OC/* ${ocPath}/

      mkdir -p ${ocPath}/Resources
      cp -rf ${ocResources}/Resources/* ${ocPath}/Resources/
      
      if [ -f ${pkgs.limine}/share/limine/BOOTX64.EFI ]; then
        cp -f ${pkgs.limine}/share/limine/BOOTX64.EFI ${liminePath}/BOOTX64.EFI
      fi
      
      cp -f ${limineConf} ${liminePath}/limine.conf

      if ! ${pkgs.efibootmgr}/bin/efibootmgr | grep -q "OpenCore_Copland"; then
        ${pkgs.efibootmgr}/bin/efibootmgr -c -d /dev/sda -p 1 -L "OpenCore_Copland" -l "\EFI\OC\OpenCore.efi"
      fi
    '';
  };
}