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| name: Backport Assistant Prerunner | ||
|
Check failure on line 1 in .github/workflows/backport-assistant-prerun.yml
|
||
| on: | ||
| pull_request: | ||
| types: [opened, synchronize, labeled] | ||
| # Runs on PRs to main and all release branches | ||
| branches: | ||
| - main | ||
| - release/* | ||
| env: | ||
| BACKPORT_ERROR_LABEL: backport-error/merge-commit-found | ||
| jobs: | ||
| # checks that a backport label is present for a PR | ||
| backport-check: | ||
| # If there's a `pr/no-backport` label we ignore this check. Also, we ignore PRs created by the bot assigned to `backport-assistant` | ||
| if: "! ( contains(github.event.pull_request.labels.*.name, 'pr/no-backport') || github.event.pull_request.user.login == 'hc-github-team-consul-core' )" | ||
| runs-on: ubuntu-latest | ||
| outputs: | ||
| has_backport_label: ${{ steps.check_backport.outputs.has_backport }} | ||
| steps: | ||
| - name: Check for Backport Label | ||
| id: check_backport | ||
| run: | | ||
| labels="${{join(github.event.pull_request.labels.*.name, ', ') }}" | ||
| if [[ "$labels" =~ .*"backport/".* ]]; then | ||
| echo "Found backport label!" | ||
| exit 0 | ||
| fi | ||
| # Fail status check when no backport label was found on the PR | ||
| echo "Did not find a backport label matching the pattern 'backport/*' and the 'pr/no-backport' label was not applied. Reference - https://github.com/hashicorp/consul/pull/16567" | ||
| exit 1 | ||
| get-pr-info: | ||
| runs-on: ubuntu-latest | ||
| needs: backport-check | ||
| outputs: | ||
| has_no_backport: ${{ steps.check_label.outputs.has_no_backport }} | ||
| pr_number: ${{ steps.check_label.outputs.pr_number }} | ||
| pull_request_ref: ${{ steps.check_label.outputs.pull_request_ref }} | ||
| pull_request_repo: ${{ steps.check_label.outputs.pull_request_repo }} | ||
| steps: | ||
| - name: Get PR information and check labels | ||
| id: check_label | ||
| uses: actions/github-script@v6 | ||
| with: | ||
| script: | | ||
| const prNumber = context.payload.pull_request.number; | ||
| if (!prNumber) { | ||
| console.log('No PR associated with this workflow run, skipping checks.'); | ||
| return; | ||
| } | ||
| const { data: pr } = await github.rest.pulls.get({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| pull_number: prNumber | ||
| }); | ||
| const hasNoBackport = pr.labels.some(label => label.name === 'no-backport'); | ||
| console.log('PR has no-backport label:', hasNoBackport); | ||
| core.setOutput('has_no_backport', hasNoBackport); | ||
| core.setOutput('pr_number', prNumber); | ||
| core.setOutput('pull_request_ref', pr.head.ref); | ||
| core.setOutput('pull_request_repo', `${pr.head.repo.owner.login}/${pr.head.repo.name}`); | ||
| check-pr-condition: | ||
| runs-on: ubuntu-latest | ||
| needs: get-pr-info | ||
| steps: | ||
| - name: Fetch repository history | ||
| if: needs.get-pr-info.outputs.has_no_backport == 'false' | ||
| uses: actions/checkout@v4 | ||
| with: | ||
| fetch-depth: 0 | ||
| ref: ${{ needs.get-pr-info.outputs.pull_request_ref }} | ||
| repository: ${{ needs.get-pr-info.outputs.pull_request_repo }} | ||
| - name: Check for merge commits | ||
| id: check_merges | ||
| if: needs.get-pr-info.outputs.has_no_backport == 'false' | ||
| run: | | ||
| BASE_REF="${{ github.event.pull_request.base.ref }}" | ||
| MERGE_COMMITS=$(git log --merges --oneline origin/$BASE_REF.HEAD) | ||
| if [ -n "$MERGE_COMMITS" ]; then | ||
| echo "::error::Merge commits found." | ||
| echo "merge_commit_found=true" >> $GITHUB_OUTPUT | ||
| echo "MERGE_COMMIT_IDS<<EOF" >> $GITHUB_OUTPUT | ||
| echo "$MERGE_COMMITS" >> $GITHUB_OUTPUT | ||
| echo "EOF" >> $GITHUB_OUTPUT | ||
| fi | ||
| echo "merge_commit_found=${MERGE_COMMITS:+'true'}" >> $GITHUB_OUTPUT | ||
| - name: Add 'backport-error' label and comment | ||
| if: steps.check_merges.outputs.merge_commit_found == 'true' && needs.get-pr-info.outputs.has_no_backport == 'false' | ||
| uses: actions/github-script@v6 | ||
| with: | ||
| github-token: ${{ secrets.GITHUB_TOKEN }} | ||
| script: | | ||
| const prNumber = ${{ needs.get-pr-info.outputs.pr_number }}; | ||
| const labelName = ${{ env.BACKPORT_ERROR_LABEL }}; | ||
| const commentBody = ` | ||
| 🚨 **AUTOMATED CHECK: MERGE COMMITS FOUND** 🚨 | ||
| This pull request contains merge commits. The **\`${labelName}\`** label has been added. Please rebase your branch. | ||
| **Found Commits:** | ||
| \`\`\` | ||
| ${{ steps.check_merges.outputs.MERGE_COMMIT_IDS }} | ||
| \`\`\` | ||
| `; | ||
| await github.rest.issues.addLabels({ owner: context.repo.owner, repo: context.repo.repo, issue_number: prNumber, labels: [labelName] }); | ||
| await github.rest.issues.createComment({ owner: context.repo.owner, repo: context.repo.repo, issue_number: prNumber, body: commentBody }); | ||
| - name: | ||
| - name: Remove 'backport-error' label and comment | ||
| if: steps.check_merges.outputs.merge_commit_found != 'true' && needs.get-pr-info.outputs.has_no_backport == 'false' | ||
| uses: actions/github-script@v6 | ||
| with: | ||
| github-token: ${{ secrets.GITHUB_TOKEN }} | ||
| script: | | ||
| const prNumber = ${{ needs.get-pr-info.outputs.pr_number }}; | ||
| const commentPrefix = '🚨 **AUTOMATED CHECK: MERGE COMMITS FOUND** 🚨'; | ||
| const labelName = ${{ env.BACKPORT_ERROR_LABEL }}; | ||
| try { | ||
| const { data: comments } = await github.rest.issues.listComments({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| issue_number: prNumber | ||
| }); | ||
| const botComment = comments.find(comment => comment.body.includes(commentPrefix)); | ||
| if (botComment) { | ||
| await github.rest.issues.deleteComment({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| comment_id: botComment.id | ||
| }); | ||
| console.log('Merge commit comment successfully removed.'); | ||
| } | ||
| await github.rest.issues.removeLabel({ | ||
| owner: context.repo.owner, | ||
| repo: context.repo.repo, | ||
| issue_number: prNumber, | ||
| name: labelName | ||
| }); | ||
| console.log('do not merge label successfully removed.'); | ||
| } catch (error) { | ||
| console.log('Comment or label not found, skipping.'); | ||
| } | ||
