Use Mergiraf when backporting PRs #9815
Workflow file for this run
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| name: Backport | |
| on: | |
| pull_request_target: | |
| types: [closed, labeled] | |
| branches: [main, release-*] | |
| # WARNING: | |
| # When extending this action, be aware that $GITHUB_TOKEN allows write access to | |
| # the GitHub repository. This means that it should not evaluate user input in a | |
| # way that allows code injection. | |
| jobs: | |
| backport: | |
| name: Backport Pull Request | |
| # Run the action if a PR is merged with backport labels | |
| # OR | |
| # when already merged PR is labeled with backport labels | |
| if: > | |
| github.event.pull_request.merged | |
| && ( | |
| github.event.action == 'closed' | |
| || ( | |
| github.event.action == 'labeled' | |
| && startsWith(github.event.label.name, 'backport/') | |
| ) | |
| ) | |
| runs-on: ubuntu-24.04 | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| # required to find all branches | |
| fetch-depth: 0 | |
| token: ${{ secrets.GH_BACKPORT_TOKEN }} | |
| ref: ${{ github.event.pull_request.head.sha }} | |
| - name: Setup Mergiraf | |
| env: | |
| MERGIRAF_VERSION: v0.10.0 # renovate: datasource=gitea-releases registryUrl=https://codeberg.org depName=mergiraf/mergiraf | |
| run: | | |
| mkdir .git/mergiraf | |
| curl --proto '=https' --tlsv1.2 --retry 5 --retry-all-errors -sSLfo .git/mergiraf/mergiraf.tar.gz "https://codeberg.org/mergiraf/mergiraf/releases/download/$MERGIRAF_VERSION/mergiraf_x86_64-unknown-linux-musl.tar.gz" | |
| tar xvf .git/mergiraf/mergiraf.tar.gz -C .git/mergiraf | |
| .git/mergiraf/mergiraf --version | |
| .git/mergiraf/mergiraf languages --gitattributes >.git/info/attributes | |
| git config merge.conflictStyle diff3 | |
| git config merge.mergiraf.name mergiraf | |
| git config merge.mergiraf.driver '${{ github.workspace }}/.git/mergiraf/mergiraf merge --git %O %A %B -s %S -x %X -y %Y -p %P -l %L' | |
| - name: Create backport PRs | |
| uses: korthout/backport-action@v3.2.0 | |
| with: | |
| # Inputs documented here: https://github.com/korthout/backport-action?tab=readme-ov-file#inputs | |
| github_token: ${{ secrets.GH_BACKPORT_TOKEN }} | |
| github_workspace: ${{ github.workspace }} | |
| # Regex pattern to match github labels | |
| # The capture group catches the target branch | |
| # i.e. label backport/release-1.23 will create backport PR for branch release-1.23 | |
| label_pattern: ^backport\/([^ ]+)$ | |
| pull_description: |- | |
| Automated backport to `${target_branch}`, triggered by a label in #${pull_number}. | |
| See ${issue_refs}. |