name: Build Custom Kernel

on:
  push:
    branches:
      - master

jobs:
  build-kernel:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up Nix
        run: |
          curl -L https://nixos.org/nix/install | sh
          source ~/.nix-profile/etc/profile.d/nix.sh

      - name: Build custom kernel
        run: |
          export NIX_BUILD_CORES=0
          nix-build '<nixpkgs/nixos>' -A config.system.build.kernel --arg configuration ./custom-kernel.nix

      - name: Upload kernel artifacts
        uses: actions/upload-artifact@v4
        with:
          name: custom-kernel
          path: ./result