ci: make reviewer Stage 0 clean and contained #6
Workflow file for this run
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| name: Copse review trigger | ||
|
Check warning on line 1 in .github/workflows/review-trigger.yml
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| # A label event on an older pull request must still select trusted workflow code. | ||
| # `pull_request_target` provides that default-branch context, but this workflow | ||
| # deliberately never checks out or executes repository code. Its only privileged | ||
| # operation is dispatching the separate, permissionless ground workflow with PR | ||
| # metadata resolved from GitHub's API. | ||
| on: | ||
| pull_request_target: | ||
| types: [labeled] | ||
| permissions: {} | ||
| concurrency: | ||
| group: copse-review-trigger-${{ github.event.pull_request.number }} | ||
| cancel-in-progress: true | ||
| jobs: | ||
| dispatch: | ||
| name: Resolve and dispatch the labelled pull request | ||
| if: github.event.label.name == 'copse-review' | ||
| runs-on: ubuntu-latest | ||
| timeout-minutes: 5 | ||
| permissions: | ||
| actions: write | ||
| pull-requests: read | ||
| steps: | ||
| - name: Resolve the current pull request and dispatch secret-free grounding | ||
| shell: bash | ||
| env: | ||
| DEFAULT_BRANCH: ${{ github.event.repository.default_branch }} | ||
| GH_TOKEN: ${{ github.token }} | ||
| PR_NUMBER: ${{ github.event.pull_request.number }} | ||
| run: | | ||
| set -euo pipefail | ||
| IFS=$'\t' read -r head base state labelled < <( | ||
| gh api "repos/${GITHUB_REPOSITORY}/pulls/${PR_NUMBER}" \ | ||
| --jq '[.head.sha, .base.ref, .state, ([.labels[].name] | index("copse-review") != null)] | @tsv' | ||
| ) | ||
| test -n "$head" && test -n "$base" && test "$state" = "open" && test "$labelled" = "true" | ||
| gh workflow run review-ground.yml \ | ||
| --repo "$GITHUB_REPOSITORY" \ | ||
| --ref "$DEFAULT_BRANCH" \ | ||
| -f "pr=${PR_NUMBER}" \ | ||
| -f "head=${head}" \ | ||
| -f "base=${base}" | ||
