ci-check-format.yaml

name: CI check format
on:
  pull_request_target:
    types: [opened, synchronize, reopened]

# By specifying the access of one of the scopes, all of those that are not specified are set to 'none'.
permissions:
  # To be able to access the repository with actions/checkout
  contents: read

jobs:
  format:
    timeout-minutes: 30
    name: Check source format
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR Source Code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          persist-credentials: false

      - name: Prep for build
        run: |
          echo "${{ github.event.pull_request.head.sha }}" >SOURCE_VERSION
          echo "ENVOY_VERSION=$(cat ENVOY_VERSION)" >> $GITHUB_ENV
          echo "BUILDER_DOCKER_HASH=$(git ls-tree --full-tree HEAD -- ./Dockerfile.builder | awk '{ print $3 }')" >> $GITHUB_ENV

      - name: Wait for cilium-envoy-builder to be available
        timeout-minutes: 45
        shell: bash
        run: until docker manifest inspect quay.io/${{ github.repository_owner }}/cilium-envoy-builder-dev:${{ env.BUILDER_DOCKER_HASH }} &> /dev/null; do sleep 15s; done

      - name: Check format
        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75 # v6.9.0
        id: docker_format_ciak
        with:
          target: format
          provenance: false
          context: .
          file: ./Dockerfile
          platforms: linux/amd64
          outputs: type=local,dest=check-format-results
          build-args: |
            BUILDER_BASE=quay.io/${{ github.repository_owner }}/cilium-envoy-builder-dev:${{ env.BUILDER_DOCKER_HASH }}
          cache-from: type=local,src=/tmp/buildx-cache
          push: false

      - name: Check for failure
        run: '! grep "^Format check failed" check-format-results/format-output.txt'

      - name: Upload Format results
        if: failure()
        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
        with:
          name: check-format-results
          path: check-format-results/format-output.txt
          retention-days: 5