build.yml

name: Build Bazzite Kernel

on:
  workflow_dispatch:
    inputs:
      arm:
        description: 'Build arm version only'
        type: boolean
        default: false
  release:
    types: [published]

permissions:
  contents: write

jobs:
  build_kernel:
    environment: prod
    strategy:
      fail-fast: false
      matrix:
        arch: ${{ github.event.inputs.arm == 'true' && fromJSON('["aarch64"]') || fromJSON('["aarch64", "x86_64"]') }}
        fedora_version: [41]
    runs-on: ${{ matrix.arch == 'aarch64' && 'ARM64' || 'ubuntu-24.04' }}

    steps:
      - name: Maximize build space
        if: matrix.arch == 'x86_64'
        uses: ublue-os/remove-unwanted-software@v7

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

      - name: Restore ccache
        # Don't use cache on releases as github does not allow it
        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
        uses: actions/cache/restore@v4
        with:
          path: ccache
          key: ccache-${{ matrix.arch }}-${{ github.sha }}
          restore-keys: |
            ccache-${{ matrix.arch }}

      - name: Create Build Environment
        run: |
          FEDORA_VERSION="${{ matrix.fedora_version }}"
          sudo podman build . --tag 'fedora_builder' \
            --build-arg UID=$(id -u) --build-arg GID=$(id -g) \
            --build-arg FEDORA_VERSION=${FEDORA_VERSION:-41}
      - name: Write Changelog
        run: |
          sudo podman run --rm -v $(pwd):/workspace fedora_builder \
            python3 release_changelog.py
      - name: Compile Kernel
        run: |
          FEDORA_VERSION="${{ matrix.fedora_version }}"
          ARCH="${{ matrix.arch }}"
          DISABLE_ARG="${{ startsWith(github.ref, 'refs/tags/') && '--env CCACHE_DISABLE=true' || '' }}"
          sudo podman run --rm -v $(pwd):/workspace $DISABLE_ARG \
            --env CCACHE_DIR=/workspace/ccache \
            --env CCACHE_MAXSIZE=5G \
            --env CCACHE_COMPRESS=1 \
            fedora_builder fedpkg \
            --name kernel --namespace rpms --release "f${FEDORA_VERSION:-41}" \
            local --arch ${ARCH:-x86_64} --with baseonly \
            --builddir build --buildrootdir buildroot
      
      - name: Print ccache stats
        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
        run: |
          sudo apt install -y ccache
          ccache -s

      - name: Separate debuginfo into different folder
        run: |
          mkdir -p debuginfo
          mv ${{ matrix.arch }}/kernel-debuginfo-*.rpm debuginfo/

      - name: Upload Kernel to action
        uses: actions/upload-artifact@v4
        with:
          name: kernel-f${{ matrix.fedora_version}}-${{ matrix.arch }}
          path: |
            .build-*.log
            ${{ matrix.arch }}/kernel-*.rpm
          compression-level: 7

      - name: Upload Kernel debuginfo to action
        uses: actions/upload-artifact@v4
        with:
          name: kernel-f${{ matrix.fedora_version}}-${{ matrix.arch }}-debuginfo
          path: |
            .build-*.log
            debuginfo/*.rpm
          compression-level: 7
      
      - name: Convert to Arch
        if: matrix.arch == 'x86_64' && matrix.fedora_version == 41
        run: |
          # Grab kernel ver from the log
          KERNEL_VER=$(ls -a | grep .build | head -n 1 | sed 's/.build-//' | sed 's/.log//')
          ARCH_VER=$(echo $KERNEL_VER | sed 's/-/./g')
          # Place in PKGBUILD
          cat PKGBUILD | \
            sed "s/VERSION_FEDORA/${KERNEL_VER}.x86_64/" | \
            sed "s/VERSION_ARCH/${ARCH_VER}/" \
            > x86_64/PKGBUILD
          sudo podman build . -f Dockerfile-arch --tag 'arch_builder' --build-arg UID=$(id -u) --build-arg GID=$(id -g) 
          sudo podman run --rm -v $(pwd)/x86_64:/workspace arch_builder makepkg -s

      - name: Upload Kernel arch package to action
        uses: actions/upload-artifact@v4
        if: matrix.arch == 'x86_64' && matrix.fedora_version == 41
        with:
          name: linux-f${{ matrix.fedora_version }}-arch
          path: |
            x86_64/linux-*.pkg.tar.zst
          compression-level: 7

      - name: Upload Kernel to release
        if: github.event_name == 'release'
        uses: Wandalen/wretry.action@v3.5.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          attempt_limit: 3
          attempt_delay: 15000
          action: softprops/action-gh-release@v2
          with: |
            files: |
              ${{ matrix.arch }}/kernel-*.rpm
              x86_64/linux-*.pkg.tar.zst
              x86_64/linux-*.pkg.tar.zst.sig
            fail_on_unmatched_files: false
            make_latest: ${{ github.event.release.prerelease == false }}

      # We always want to save the newest ccache
      - name: Backup ccache
        # Don't use cache on releases as github does not allow it
        if: ${{ !startsWith(github.ref, 'refs/tags/') }}
        uses: actions/cache/save@v4
        with:
          path: ccache
          key: ccache-${{ matrix.arch }}-${{ github.sha }}