Backport PR to branch #1553
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| name: Backport PR to branch | |
| on: | |
| issue_comment: | |
| types: [created] | |
| permissions: {} | |
| jobs: | |
| backport: | |
| if: github.event.issue.pull_request != '' && contains(github.event.comment.body, '/backport to') && contains(fromJSON('["OWNER", "MEMBER", "COLLABORATOR"]'), github.event.comment.author_association) | |
| runs-on: ubuntu-20.04 | |
| permissions: | |
| contents: write | |
| issues: write | |
| pull-requests: write | |
| steps: | |
| - name: Extract backport target branch | |
| uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea | |
| id: target-branch-extractor | |
| with: | |
| result-encoding: string | |
| script: | | |
| if (context.eventName !== "issue_comment") throw "Error: This action only works on issue_comment events."; | |
| // extract the target branch name from the trigger phrase containing these characters: a-z, A-Z, digits, forward slash, dot, hyphen, underscore | |
| const regex = /\/backport to ([a-zA-Z\d\/\.\-\_]+)/; | |
| target_branch = regex.exec(context.payload.comment.body); | |
| if (target_branch == null) throw "Error: No backport branch found in the trigger phrase."; | |
| return target_branch[1]; | |
| - name: Post backport started comment to pull request | |
| uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea | |
| with: | |
| script: | | |
| const backport_start_body = `Started backporting to ${{ steps.target-branch-extractor.outputs.result }}: https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${process.env.GITHUB_RUN_ID}`; | |
| await github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: backport_start_body | |
| }); | |
| - name: Checkout repo | |
| uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 | |
| with: | |
| persist-credentials: true # We need to persist credentials to push the resulting changes upstream. | |
| fetch-depth: 0 | |
| - name: Run backport | |
| uses: ./eng/actions/backport | |
| with: | |
| target_branch: ${{ steps.target-branch-extractor.outputs.result }} | |
| auth_token: ${{ secrets.GITHUB_TOKEN }} | |
| exclude: 'documentation/**.md' | |
| label: backport |