name: Build Bootloaders

on:
  workflow_dispatch:
    inputs:
      branch:
        description: 'Branch to build from'
        default: 'main'
        type: string

jobs:
  build:
    name: Build ${{ matrix.defconfig }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        defconfig:
          - aarch64_qemu_boot
          - bpi_r3_sd_boot
          - bpi_r3_emmc_boot
          - cn9130_crb_boot
          - fireant_boot
          - nanopi_r2s_boot
          - rpi2_boot
          - rpi64_boot
          - sama7g54_ek_emmc_boot
          - sama7g54_ek_sd_boot
    env:
      MAKEFLAGS: -j5
    steps:
      - name: Cleanup Build Folder
        run: |
          ls -la ./
          rm -rf ./* || true
          rm -rf ./.??* || true
          ls -la ./

      - name: Checkout infix repo
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.branch || github.ref }}
          clean: true
          fetch-depth: 0
          submodules: recursive

      - name: Set Build Variables
        id: vars
        run: |
          defconfig=${{ matrix.defconfig }}
          version=$(awk -F'"' '/BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE=/ {print $2}' configs/${defconfig}_defconfig)
          version=${version:-git}
          filename=$(echo "${defconfig}" | tr '_' '-')

          # TODO: Replace hardcoded rev with actual revision stepping
          rev="latest"

          archive="${filename}-${version}-${rev}.tar.gz"
          dirname="${filename}-${version}-${rev}"

          echo "defconfig=${defconfig}" >> $GITHUB_OUTPUT
          echo "version=${version}"     >> $GITHUB_OUTPUT
          echo "rev=${rev}"             >> $GITHUB_OUTPUT
          echo "archive=${archive}"     >> $GITHUB_OUTPUT
          echo "dirname=${dirname}"     >> $GITHUB_OUTPUT

          echo "Building ${defconfig}_defconfig, version ${version}-${rev}, artifact ${archive} ..."

      - uses: kernelkit/actions/cache-restore@v1
        with:
          target: ${{ matrix.defconfig }}
          dl-prefix: dl-boot
          ccache-prefix: ccache-boot

      - name: Configure ${{ matrix.defconfig }}_defconfig
        run: |
          make ${{ matrix.defconfig }}_defconfig

      - name: Build ${{ matrix.defconfig }}_defconfig
        run: |
          echo "Building ${{ matrix.defconfig }}_defconfig ..."
          make -j$((`getconf _NPROCESSORS_ONLN` / 2 + 2))

      - name: Resulting size of build
        run: |
          printf "Size of output/images/: "
          ls -l output/images/

      - name: Prepare ${{ matrix.defconfig }} Artifact
        run: |
          cd output/
          mv images ${{ steps.vars.outputs.dirname }}
          tar cfz ${{ steps.vars.outputs.archive }} ${{ steps.vars.outputs.dirname }}/

      - uses: actions/upload-artifact@v4
        with:
          path: output/${{ steps.vars.outputs.archive }}
          name: artifact-${{ matrix.defconfig }}

  publish:
    name: Upload Bootloader Artifacts
    runs-on: ubuntu-latest
    needs: build
    permissions:
      contents: write
    steps:
      - uses: actions/download-artifact@v4
        with:
          pattern: "artifact-*"
          merge-multiple: true

      - name: Create checksums ...
        run: |
          for file in *.tar.gz; do
              sha256sum $file > $file.sha256
          done

      - uses: ncipollo/release-action@v1
        with:
          allowUpdates: true
          omitName: true
          omitBody: true
          omitBodyDuringUpdate: true
          prerelease: true
          tag: "latest-boot"
          token: ${{ secrets.GITHUB_TOKEN }}
          artifacts: "*.tar.gz*"

      - name: Summary
        run: |
          cat <<EOF >> $GITHUB_STEP_SUMMARY
          # Bootloader Build Complete! :rocket:

          For the public download links of these bootloader artifacts, please see:
           <https://github.com/kernelkit/infix/releases/tag/latest-boot>
          EOF