ci: check if a PR can be backported #43
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| name: PR checks # targeting only the main branch | |
| on: | |
| pull_request: | |
| branches: | |
| - main | |
| types: [opened, synchronize, reopened, ready_for_review] | |
| concurrency: | |
| group: ${{ github.workflow }}-${{ github.event.pull_request.number }} | |
| cancel-in-progress: true | |
| env: | |
| MINOR_VERSION_RELEASE: "0.47.999" # bump on a major release | |
| BACKPORT_LIBS_LABEL: "backport-libs-0.47" # also bump on major release | |
| MAINT_LIBS_BRANCH: "maint-libs-0.47" # also bump on major release | |
| jobs: | |
| # Check if a PR has no major breaking changes to be backported to library | |
| # maintenance branch. | |
| can-backport: | |
| runs-on: ubuntu-latest | |
| permissions: | |
| contents: read | |
| pull-requests: write # Needed to add label based on the outcome | |
| steps: | |
| - uses: cargo-bins/cargo-binstall@main | |
| - name: Checkout | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 50 | |
| - name: Find branch point of the PR | |
| id: branch_point | |
| run: | | |
| git fetch origin main | |
| # Find common ancestor between main and topic branch | |
| BRANCH_POINT=$(git merge-base $(git rev-parse --abbrev-ref HEAD) origin/main) | |
| [[ -z BRANCH_POINT ]] && echo "No branch point" && exit 1 | |
| echo "::set-output name=REF::$BRANCH_POINT" | |
| - name: Checkout libs maintenance branch | |
| uses: actions/checkout@v4 | |
| with: | |
| ref: ${{ env.MAINT_LIBS_BRANCH }} | |
| - name: Backport PR to libs maintenance branch | |
| run: | | |
| git cherry-pick --strategy=recursive --strategy-option=theirs ${{ steps.branch_point.outputs.REF }}..${{ github.event.pull_request.head.ref }} | |
| - name: Instal cargo release | |
| run: cargo binstall -y cargo-release | |
| - name: Install build deps | |
| run: sudo apt-get install -y protobuf-compiler libudev-dev | |
| - name: Totally safe | |
| # Workaround for https://github.com/actions/checkout/issues/766 | |
| run: git config --global --add safe.directory "$GITHUB_WORKSPACE" | |
| - name: Change version as if we're doing a minor update | |
| # This is needed so that semver-checks can find the last released | |
| # baseline version to compare with. | |
| run: | | |
| cargo release version --no-confirm --isolated --exclude namada_apps \ | |
| --execute ${{ env.MINOR_VERSION_RELEASE }} | |
| - name: Check semver | |
| id: semver | |
| continue-on-error: true | |
| uses: obi1kenobi/cargo-semver-checks-action@v2 | |
| with: | |
| exclude: namada_apps, namada_benchmarks, namada_light_sdk, namada_examples, namada_fuzz | |
| - name: Label PR on success | |
| uses: actions-ecosystem/action-add-labels@v1 | |
| if: >- | |
| ${{ github.event.pull_request.draft == false && | |
| steps.semver.outcome == 'success' && | |
| !contains( github.event.pull_request.labels.*.name, 'breaking:consensus') }} | |
| with: | |
| labels: "${{ env.BACKPORT_LIBS_LABEL }}" | |
| - name: Label PR on failure | |
| uses: actions-ecosystem/action-add-labels@v1 | |
| if: >- | |
| ${{ github.event.pull_request.draft == false && | |
| steps.semver.outcome == 'failure' }} | |
| with: | |
| labels: "breaking:api" |