generate_images.yml

name: Generate prebuilt images
on: [push, pull_request]

jobs:
  buildroot:
    name: Build
    runs-on: ubuntu-22.04
    strategy:
      matrix:
        defconfig_name:
          - qemu_x86_defconfig
          - qemu_x86_64_defconfig
          - raspberrypi4_defconfig
          - raspberrypi4_64_defconfig
          - qemu_ppc64le_pseries_defconfig
          - qemu_mips32r2_malta_defconfig
          - qemu_mips64_malta_defconfig
          - qemu_riscv32_virt_defconfig
          - qemu_riscv64_virt_defconfig
        libc_name:
          - glibc
          - uclibc
          - musl
    env:
      BUILDROOT_DIRECTORY_NAME: /home/runner/buildroot-${{ matrix.defconfig_name }}-${{ matrix.libc_name }}
    permissions:
      contents: write
    steps:
      - name: Retrieve CI scripts
        uses: actions/checkout@v4
      - name: Run build script
        run: |
          bash -x ${{ github.workspace }}/build-image.sh ${{ matrix.defconfig_name }} ${{ matrix.libc_name }} /home/runner
      - name: Archive image
        run: |
          tar -c ${{ env.BUILDROOT_DIRECTORY_NAME }} -f ${{ env.BUILDROOT_DIRECTORY_NAME }}.tar
      - name: Compress image
        run: |
          zstd -T0 -19 --rm -v ${{ env.BUILDROOT_DIRECTORY_NAME }}.tar
      - name: Deploy image to repository release
        if: startsWith(github.ref, 'refs/tags')
        uses: softprops/action-gh-release@v1
        with:
          files: ${{ env.BUILDROOT_DIRECTORY_NAME }}.tar.zst
          name: ${{ github.ref_name }}
          tag_name: ${{ github.ref_name }}