mirror of
https://github.com/ryan4yin/nix-config.git
synced 2026-04-19 23:41:21 +02:00
b382999a70
refactor: Use hyphen(`-`) for variable names & folder names(except Python), replace all unserscore(`_`) with hyphen(`-`).
62 lines
2.0 KiB
Nix
62 lines
2.0 KiB
Nix
{
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pkgs,
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config,
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lib,
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...
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}: let
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t2Cfg = config.hardware.myapple-t2;
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efiPrefix = config.boot.loader.efi.efiSysMountPoint;
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apple-set-os-loader-installer = pkgs.stdenv.mkDerivation rec {
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name = "apple-set-os-loader-installer-1.0";
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src = pkgs.fetchFromGitHub {
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owner = "Redecorating";
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repo = "apple_set_os-loader";
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rev = "r33.9856dc4";
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sha256 = "hvwqfoF989PfDRrwU0BMi69nFjPeOmSaD6vR6jIRK2Y=";
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};
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buildInputs = [pkgs.gnu-efi];
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buildPhase = ''
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substituteInPlace Makefile --replace "/usr" '$(GNU_EFI)'
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export GNU_EFI=${pkgs.gnu-efi}
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make
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'';
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installPhase = ''
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install -D bootx64_silent.efi $out/bootx64.efi
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'';
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};
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in {
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options = {
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hardware.myapple-t2.enableAppleSetOsLoader = lib.mkOption {
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default = false;
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type = lib.types.bool;
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description = "Whether to enable the appleSetOsLoader activation script.";
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};
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};
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config = {
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# Activation script to install apple-set-os-loader in order to unlock the iGPU
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system.activationScripts.myappleSetOsLoader = lib.optionalString t2Cfg.enableAppleSetOsLoader ''
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if [[ -e ${efiPrefix}/efi/boot/bootx64_original.efi ]]; then
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true # It's already installed, no action required
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elif [[ -e ${efiPrefix}/efi/boot/bootx64.efi ]]; then
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# Copy the new bootloader to a temporary location
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cp ${apple-set-os-loader-installer}/bootx64.efi ${efiPrefix}/efi/boot/bootx64_temp.efi
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# Rename the original bootloader
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mv ${efiPrefix}/efi/boot/bootx64.efi ${efiPrefix}/efi/boot/bootx64_original.efi
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# Move the new bootloader to the final destination
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mv ${efiPrefix}/efi/boot/bootx64_temp.efi ${efiPrefix}/efi/boot/bootx64.efi
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else
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echo "Error: ${efiPrefix}/efi/boot/bootx64.efi is missing" >&2
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fi
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'';
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# Enable the iGPU by default if present
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environment.etc."modprobe.d/apple-gmux.conf".text = lib.optionalString t2Cfg.enableAppleSetOsLoader ''
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options apple-gmux force_igd=y
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'';
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};
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}
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