name: Publish release
on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed
concurrency: 
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
jobs:
  publish:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v2
    - name: Record latest release version
      id: recorded_release_version
      # Note: we find the latest non-'update to latest binary release' commit here, which is not
      # necessarily HEAD because another build could have succeeded before us and HEAD may now refer
      # to 'update to latest binary release' instead of the commit we were building.
      # By doing this, we ensure any update we push would refer to the absolute latest binary
      # release even if *this* CI run is older.
      run: echo "::set-output name=commit::$(git log --oneline | grep -v 'update to latest binary release' | head -n1 | cut -d " " -f1)"
    # - name: Publish release
    #   run: echo "TODO(build-system): gh CLI has no way to mark draft as published?"
    #   env:
    #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    - name: Checkout hexops/mach monorepo
      uses: actions/checkout@v2
      with:
        repository: hexops/mach
        token: ${{ secrets.HEXOPS_MACH_GPU_DAWN_PUSH }}
    - name: 'gpu/dawn: update hard-coded binary release version'
      env:
        RELEASE_COMMIT: ${{steps.recorded_release_version.outputs.commit}}
      run: |
        sed -i "/binary_version: \[\]const u8 =/c\    binary_version: []const u8 = \"release-$RELEASE_COMMIT\"," ./gpu-dawn/build.zig
    - name: 'gpu/dawn: use latest binary release'
      run: |
        git config user.name 'Release automation'
        git config user.email 'stephen@hexops.com'
        git add .
        git commit -m 'gpu-dawn: update to latest binary release'
        git push -u origin HEAD
