chore: Update Base Image Refs [2026-07-21-0146] #1434
Workflow file for this run
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| name: External Contributor Branch Policy | |
| on: | |
| pull_request_target: | |
| types: [opened, reopened, edited] | |
| permissions: | |
| contents: read | |
| pull-requests: write | |
| jobs: | |
| check-external-branch-policy: | |
| name: Check Unallowed Target Branch | |
| runs-on: ubuntu-latest | |
| if: github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.full_name != github.repository | |
| steps: | |
| - name: Check target branch | |
| id: check_branch | |
| run: | | |
| set -euo pipefail | |
| target_branch="${{ github.event.pull_request.base.ref }}" | |
| # Branches that external contributors are not allowed to target. | |
| blocked_branches=( | |
| "feat-ai-on-engines" | |
| ) | |
| for branch in "${blocked_branches[@]}"; do | |
| if [[ "${target_branch}" == "${branch}" ]]; then | |
| echo "Target branch '${target_branch}' is not allowed for external contributors." | |
| echo "blocked_branch=${branch}" >> "$GITHUB_OUTPUT" | |
| exit 1 | |
| fi | |
| done | |
| echo "Target branch '${target_branch}' is allowed." | |
| shell: bash | |
| - name: Close PR | |
| uses: actions/github-script@f28e40c7f34bde8b3046d885e986cb6290c5673b # v7.1.0 | |
| if: ${{ !cancelled() && steps.check_branch.conclusion == 'failure' }} | |
| with: | |
| script: | | |
| const blockedBranch = "${{ steps.check_branch.outputs.blocked_branch }}"; | |
| const message = [ | |
| "Thanks for the contribution!", | |
| "", | |
| `Pull requests from forks targeting the \`${blockedBranch}\` branch are not accepted.`, | |
| "This branch is a feature branch managed internally; please retarget your PR to `master` instead.", | |
| "", | |
| "Closing this PR automatically. Feel free to open a new one against `master`.", | |
| "", | |
| "— The DFINITY Foundation" | |
| ].join("\n"); | |
| await github.rest.issues.createComment({ | |
| issue_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| body: message, | |
| }); | |
| await github.rest.pulls.update({ | |
| pull_number: context.issue.number, | |
| owner: context.repo.owner, | |
| repo: context.repo.repo, | |
| state: 'closed', | |
| }); |