PR OSP retry #5
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| name: PR OSP retry | |
| # No concurrency group: workflow_run reports github.ref as the default branch, so any group self-cancels. | |
| on: | |
| workflow_run: | |
| workflows: ["PR OSP (label-selected)"] | |
| types: [completed] | |
| permissions: | |
| actions: write | |
| jobs: | |
| retry: | |
| name: Rerun failed jobs once | |
| runs-on: ubuntu-latest | |
| timeout-minutes: 5 | |
| # 'failure' skips superseded runs (those land as 'cancelled'); attempt 1 bounds this to one retry. | |
| if: > | |
| github.event.workflow_run.conclusion == 'failure' && | |
| github.event.workflow_run.run_attempt == 1 | |
| steps: | |
| - name: Verify trigger is trusted | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| REPO: ${{ github.repository }} | |
| ACTOR: ${{ github.event.workflow_run.actor.login }} | |
| WF_PATH: ${{ github.event.workflow_run.path }} | |
| run: | | |
| # A fork controls both the workflow name and a new file's path, so pin the path. | |
| if [ "$WF_PATH" != ".github/workflows/pr-osp-select.yml" ]; then | |
| echo "::error::untrusted triggering workflow: $WF_PATH" | |
| exit 1 | |
| fi | |
| # Distinguish "not a collaborator" (404) from an API failure; never conflate them. | |
| if ! body=$(gh api "/repos/$REPO/collaborators/$ACTOR/permission" 2>&1); then | |
| case "$body" in | |
| *"Not Found"*) echo "::error::actor $ACTOR is not a collaborator"; exit 1 ;; | |
| *) echo "::error::could not verify $ACTOR: $body"; exit 1 ;; | |
| esac | |
| fi | |
| perm=$(printf '%s' "$body" | jq -r '.permission') | |
| # triage can add labels, so it can legitimately start a PR OSP run. | |
| case "$perm" in | |
| admin|write|maintain|triage) echo "actor $ACTOR ok ($perm)" ;; | |
| *) echo "::error::actor $ACTOR cannot label ($perm)"; exit 1 ;; | |
| esac | |
| - name: Rerun failed jobs | |
| env: | |
| GH_TOKEN: ${{ secrets.GITHUB_TOKEN }} | |
| RUN_ID: ${{ github.event.workflow_run.id }} | |
| run: | | |
| gh api -X POST \ | |
| "/repos/${{ github.repository }}/actions/runs/$RUN_ID/rerun-failed-jobs" |