Assume None if the line is all zeros #23
Workflow file for this run
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| name: docker | |
| on: | |
| push: | |
| branches: | |
| - 'master' | |
| tags: | |
| - 'v*.*.*' | |
| pull_request: | |
| types: | |
| - opened | |
| - synchronize | |
| workflow_dispatch: | |
| inputs: | |
| use_cache: | |
| description: "Use build cache" | |
| required: true | |
| type: boolean | |
| default: true | |
| env: | |
| REGISTRY: ghcr.io | |
| # ghcr.io/OWNER/REPO | |
| IMAGE_NAME: ${{ github.repository }} | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| packages: write | |
| id-token: write | |
| attestations: write | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v4 | |
| - name: Set up QEMU | |
| uses: docker/setup-qemu-action@v3 | |
| # Workaround: https://github.com/docker/build-push-action/issues/461 | |
| - name: Setup Docker buildx | |
| uses: docker/setup-buildx-action@v3 | |
| # Login against a Docker registry except on PR | |
| # https://github.com/docker/login-action | |
| - name: Log into registry ${{ env.REGISTRY }} | |
| if: github.event_name != 'pull_request' | |
| uses: docker/login-action@v3 | |
| with: | |
| registry: ${{ env.REGISTRY }} | |
| username: ${{ github.actor }} | |
| password: ${{ secrets.GITHUB_TOKEN }} | |
| # Extract metadata (tags, labels) for Docker | |
| # For some reason the title have to be set manually | |
| # https://github.com/docker/metadata-action | |
| - name: Extract Docker metadata | |
| id: meta | |
| uses: docker/metadata-action@v5 | |
| with: | |
| images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| labels: | | |
| org.opencontainers.image.title=Oxipng | |
| annotations: | | |
| org.opencontainers.image.title=Oxipng | |
| # Build and push Docker image with Buildx (don't push on PR) | |
| # Cache isn't used for tags and on workflow_dispatch if specified | |
| # https://github.com/docker/build-push-action | |
| - name: Build and push Docker image | |
| id: build-and-push | |
| uses: docker/build-push-action@v6 | |
| with: | |
| context: . | |
| platforms: linux/amd64,linux/arm64 | |
| push: ${{ github.event_name != 'pull_request' }} | |
| tags: ${{ steps.meta.outputs.tags }} | |
| labels: ${{ steps.meta.outputs.labels }} | |
| cache-from: type=gha | |
| cache-to: type=gha,mode=max | |
| no-cache: ${{ (github.event_name == 'workflow_dispatch' && !inputs.use_cache) || startsWith(github.ref, 'refs/tags/') }} | |
| # Attest the build provenance | |
| # TODO: enable push to registry when referrers API will be supported by ghcr.io | |
| - name: Attest Build Provenance | |
| if: github.event_name != 'pull_request' | |
| uses: actions/attest-build-provenance@v1 | |
| with: | |
| subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} | |
| subject-digest: ${{ steps.build-and-push.outputs.digest }} | |
| push-to-registry: false |