name: Publish release
on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
jobs:
  publish:
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2
      - name: Record latest release version
        id: recorded_release_version
        # Note: we find the latest non-'update to latest binary release' commit here, which is not
        # necessarily HEAD because another build could have succeeded before us and HEAD may now refer
        # to 'update to latest binary release' instead of the commit we were building.
        # By doing this, we ensure any update we push would refer to the absolute latest binary
        # release even if *this* CI run is older.
        run: echo "recorded_release_version=$(git log --oneline | grep -v 'update to latest binary release' | head -n1 | cut -d " " -f1)" >> $GITHUB_ENV
      # - 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: ${{env.recorded_release_version}}
        run: |
          sed -i "/binary_version: \[\]const u8 =/c\            binary_version: []const u8 = \"release-$RELEASE_COMMIT\"," ./libs/gpu-dawn/sdk.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