Synched on 23-Sep-2024 #4
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| name: Auto Cherry-Pick | |
| on: | |
| push: | |
| branches: | |
| - trunk | |
| # We also want to attempt cherry-picking when a PR is labeled after the PR | |
| # is merged. | |
| pull_request: | |
| types: [labeled] | |
| branches: | |
| - trunk | |
| # Ensure that new jobs wait for the previous job to finish. | |
| concurrency: | |
| group: ${{ github.workflow }} | |
| cancel-in-progress: false | |
| jobs: | |
| cherry-pick: | |
| runs-on: ubuntu-latest | |
| # When in the context of a PR, ensure the PR is merged. | |
| if: github.event.pull_request == null || github.event.pull_request.merged == true | |
| steps: | |
| - name: Determine if label should trigger cherry-pick | |
| id: label-check | |
| uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
| with: | |
| script: | | |
| const commit_sha = context.payload.pull_request ? context.payload.pull_request.merge_commit_sha : context.sha; | |
| console.log(`Commit SHA: ${commit_sha}`); | |
| core.exportVariable('commit_sha', commit_sha); | |
| const prs = await github.rest.repos.listPullRequestsAssociatedWithCommit({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| commit_sha, | |
| }); | |
| if (prs.data.length === 0) { | |
| console.log(`No PR found for commit ${context.sha}.`); | |
| return; | |
| } | |
| const pr_number = prs.data[0].number; | |
| console.log(`PR: ${pr_number}`); | |
| core.exportVariable('pr_number', pr_number); | |
| const pr = await github.rest.pulls.get({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| pull_number: pr_number, | |
| }); | |
| const labels = pr.data.labels.map(label => label.name); | |
| console.log(`Labels: ${labels}`); | |
| const regex = /^Backport to WP ([0-9]+\.[0-9]+) Beta\/RC$/; | |
| let matched = false; | |
| for (const label of labels) { | |
| const match = label.match(regex); | |
| if (match) { | |
| const version = match[1]; | |
| console.log(`Matched label: ${label}`); | |
| console.log(`Extracted version: ${version}`); | |
| core.exportVariable('cherry_pick', 'true'); | |
| core.exportVariable('version', version); | |
| matched = true; | |
| break; | |
| } | |
| } | |
| if (!matched) { | |
| core.exportVariable('cherry_pick', 'false'); | |
| } | |
| - name: Checkout repository | |
| if: env.cherry_pick == 'true' | |
| uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7 | |
| with: | |
| token: ${{ secrets.GUTENBERG_TOKEN }} | |
| fetch-depth: 0 | |
| - name: Set up Git | |
| if: env.cherry_pick == 'true' | |
| run: | | |
| git config --global user.name "Gutenberg Repository Automation" | |
| git config --global user.email "[email protected]" | |
| - name: Cherry-pick the commit | |
| id: cherry-pick | |
| if: env.cherry_pick == 'true' | |
| run: | | |
| TARGET_BRANCH="wp/${{ env.version }}" | |
| COMMIT_SHA="${{ env.commit_sha }}" | |
| echo "Target branch: $TARGET_BRANCH" | |
| echo "Commit SHA: $COMMIT_SHA" | |
| git checkout $TARGET_BRANCH | |
| git cherry-pick $COMMIT_SHA || echo "cherry-pick-failed" > result | |
| if [ -f result ] && grep -q "cherry-pick-failed" result; then | |
| echo "conflict=true" >> $GITHUB_ENV | |
| git cherry-pick --abort | |
| else | |
| CHERRY_PICK_SHA=$(git rev-parse HEAD) | |
| echo "conflict=false" >> $GITHUB_ENV | |
| echo "cherry_pick_sha=$CHERRY_PICK_SHA" >> $GITHUB_ENV | |
| git push origin $TARGET_BRANCH | |
| fi | |
| - name: Remove cherry-pick label | |
| if: env.cherry_pick == 'true' && env.conflict == 'false' | |
| uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
| with: | |
| script: | | |
| const prNumber = process.env.pr_number; | |
| const version = process.env.version; | |
| console.log(`prNumber: ${prNumber}`); | |
| console.log(`version: ${version}`); | |
| const oldLabel = `Backport to WP ${version} Beta/RC`; | |
| const newLabel = `Backported to WP Core`; | |
| await github.rest.issues.removeLabel({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: prNumber, | |
| name: oldLabel | |
| }); | |
| await github.rest.issues.addLabels({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: prNumber, | |
| labels: [newLabel] | |
| }); | |
| - name: Comment on the PR | |
| if: env.cherry_pick == 'true' && env.conflict == 'false' | |
| uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
| with: | |
| script: | | |
| const prNumber = process.env.pr_number; | |
| const cherryPickSha = process.env.cherry_pick_sha; | |
| const targetBranch = `wp/${process.env.version}`; | |
| console.log(`prNumber: ${prNumber}`); | |
| console.log(`cherryPickSha: ${cherryPickSha}`); | |
| console.log(`targetBranch: ${targetBranch}`); | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: prNumber, | |
| body: `I just cherry-picked this PR to the ${targetBranch} branch to get it included in the next release: ${cherryPickSha}` | |
| }); | |
| - name: Comment on the PR about conflict | |
| if: env.cherry_pick == 'true' && env.conflict == 'true' | |
| uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1 | |
| with: | |
| script: | | |
| const prNumber = process.env.pr_number; | |
| const commitSha = process.env.commit_sha; | |
| const targetBranch = `wp/${process.env.version}`; | |
| console.log(`prNumber: ${prNumber}`); | |
| console.log(`targetBranch: ${targetBranch}`); | |
| await github.rest.issues.createComment({ | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| issue_number: prNumber, | |
| body: `There was a conflict while trying to cherry-pick the commit to the ${targetBranch} branch. Please resolve the conflict manually and create a PR to the ${targetBranch} branch. | |
| PRs to ${targetBranch} are similar to PRs to trunk, but you should base your PR on the ${targetBranch} branch instead of trunk. | |
| \`\`\` | |
| # Checkout the ${targetBranch} branch instead of trunk. | |
| git checkout ${targetBranch} | |
| # Create a new branch for your PR. | |
| git checkout -b my-branch | |
| # Cherry-pick the commit. | |
| git cherry-pick ${commitSha} | |
| # Check which files have conflicts. | |
| git status | |
| # Resolve the conflict... | |
| # Add the resolved files to the staging area. | |
| git status | |
| git add . | |
| git cherry-pick --continue | |
| # Push the branch to the repository | |
| git push origin my-branch | |
| # Create a PR and set the base to the ${targetBranch} branch. | |
| # See https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/changing-the-base-branch-of-a-pull-request. | |
| \`\`\` | |
| ` | |
| }); |