Backport (#15) #4
Workflow file for this run
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| name: Backport metadata | |
| # Mergify manages the opening of the backport PR, this workflow is just to extend its behaviour to | |
| # do useful things like copying across the tagged labels and milestone from the base PR. | |
| on: | |
| pull_request: | |
| types: | |
| - opened | |
| branches: | |
| - 'autolabel-backports' | |
| jobs: | |
| copy_metadata: | |
| name: Copy metadata from base PR | |
| runs-on: ubuntu-latest | |
| if: github.repository == 'jakelishman/qiskit-terra' && github.actor == 'jakelishman' | |
| permissions: | |
| pull-requests: write | |
| steps: | |
| - name: Copy metadata | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| run: | | |
| set -e | |
| # Split Mergify's branch name (e.g. 'mergify/bp/stable/0.25/pr-10828') on the final '-' to | |
| # get the number of the base PR. | |
| IFS='-' read -ra split <<< "${{ github.ref_name }}" | |
| base_pr=${split[-1]} | |
| gh pr --repo "${{ github.repository }}" view "$base_pr" --json labels,milestone > base_pr.json | |
| add_labels="$(jq '[.labels[].name] - ["stable backport potential"] | join(",")' base_pr.json)" | |
| echo "New labels: '$add_labels'" | |
| # 'jq' converts a JSON 'null' into the empty string. | |
| milestone="$(jq '.milestone' base_pr.json)" | |
| echo "Milestone: '$milestone'" | |
| echo "Targetting current PR '${{ github.event.number }}'" | |
| # The GitHub API is sometimes weird about empty values - the REST API certainly treats | |
| # "add-label" with an empty input not as a no-op but as a clear of all labels. | |
| if [[ -n "$add_labels" && -n "$milestone" ]]; then | |
| gh pr --repo "${{ github.repository }}" edit "${{ github.event.number }}" --add-label "$add_labels" --milestone "$milestone" | |
| elif [[ -n "$add_labels" ]]; then | |
| gh pr --repo "${{ github.repository }}" edit "${{ github.event.number }}" --add-label "$add_labels" | |
| elif [[ -n "$milestone" ]]; then | |
| gh pr --repo "${{ github.repository }}" edit "${{ github.event.number }}" --milestone "$milestone" | |
| fi |