ipxe.yml

name: iPXE

on:
  push:
    branches:
      - ipxe*
    tags:
      - ipxe*

env:
  SHIMURL: ${{ github.server_url }}/rhboot/shim
  IPXEURL: ${{ github.server_url }}/${{ github.repository }}

jobs:

  build:
    name: Build
    runs-on: ubuntu-22.04
    steps:

      - name: Check out code
        uses: actions/checkout@v3
        with:
          fetch-depth: 0
          submodules: true

      - name: Identify upstream tag
        run: |
          BASECOMMIT=$(git merge-base origin/main HEAD)
          SHIMTAG=$(git describe ${BASECOMMIT})
          if [ ! $(git tag -l "${SHIMTAG}") ] ; then
              echo "Not branched from an upstream tag"
              exit 1
          fi
          echo SHIMTAG=${SHIMTAG} >> ${GITHUB_ENV}

      - name: Install packages
        run: |
          sudo apt update
          sudo apt install -y -o Acquire::Retries=50 \
                   gcc-aarch64-linux-gnu gcab dos2unix

      - name: Build (x64)
        run: |
          mkdir build-x64
          make -C build-x64 -f ../Makefile TOPDIR=..
          cp build-x64/shimx64.efi ipxe-shimx64.efi

      - name: Build (aa64)
        run: |
          mkdir build-aa64
          make -C build-aa64 -f ../Makefile TOPDIR=.. \
               CROSS_COMPILE=aarch64-linux-gnu-
          cp build-aa64/shimaa64.efi ipxe-shimaa64.efi

      - name: Generate .cab
        run: |
          gcab -c unsigned.cab ipxe-shimx64.efi ipxe-shimaa64.efi

      - name: Upload build artifacts
        uses: actions/upload-artifact@v3
        with:
          name: unsigned.cab
          path: unsigned.cab
          if-no-files-found: error

      - name: Get release version
        if: startsWith(github.event.ref, 'refs/tags/ipxe-')
        run: |
          IPXETAG=${GITHUB_REF/refs\/tags\//}
          IPXEVER=${IPXETAG/ipxe-/}
          IPXEDATE=$(git show -s --format='%as')
          echo IPXETAG=${IPXETAG} >> ${GITHUB_ENV}
          echo IPXEVER=${IPXEVER} >> ${GITHUB_ENV}
          echo IPXEDATE=${IPXEDATE} >> ${GITHUB_ENV}

      - name: Generate changelog
        run: |
          echo -e "Based on upstream" \
              "[shim-${SHIMTAG}](${SHIMURL}/releases/tag/${SHIMTAG})\n" \
              > IPXECHANGES.md
          echo -e "## Included changes\n" >> IPXECHANGES.md
          git log origin/main..HEAD \
              --format="format:* [%s](${IPXEURL}/commit/%h)" >> IPXECHANGES.md
          DOWNLOADURL=${IPXEURL}/releases/download/${IPXETAG}
          echo -e "\n\n## Downloads\n" >> IPXECHANGES.md
          echo "* [ipxe-shimx64.efi](${DOWNLOADURL}/ipxe-shimx64.efi)" \
              "(x86_64)" >> IPXECHANGES.md
          echo "* [ipxe-shimaa64.efi](${DOWNLOADURL}/ipxe-shimaa64.efi)" \
              "(aarch64)" >> IPXECHANGES.md

      - name: Create release
        if: startsWith(github.event.ref, 'refs/tags/ipxe-')
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh release create ${IPXETAG} --verify-tag --prerelease \
              --title "${IPXEVER} (${IPXEDATE})" --notes-file IPXECHANGES.md \
              ipxe-shimx64.efi ipxe-shimaa64.efi unsigned.cab