rerun.yml

# Copyright lowRISC contributors (OpenTitan project).
# Licensed under the Apache License, Version 2.0, see LICENSE for details.
# SPDX-License-Identifier: Apache-2.0

name: Rerun Failed Workflow
on:
  pull_request_target:
    types: [labeled]

permissions:
  actions: write
  contents: write # For repository dispatch
  pull-requests: write # For label removal

jobs:
  rerun:
    name: Rerun Failed CI
    if: github.event.label.name == 'CI:Rerun'
    runs-on: ubuntu-latest
    steps:
      - name: Rerun failed GitHub actions
        uses: actions/github-script@v7
        with:
          script: |
            for await (const response of github.paginate.iterator(
              github.rest.actions.listWorkflowRunsForRepo,
              {
                owner: context.repo.owner,
                repo: context.repo.repo,
                // Only return completed workflows, not queued and in_progress.
                status: 'completed',
                head_sha: context.payload.pull_request.head.sha,
              }
            )) {
              for (let run of response.data) {
                if (run.conclusion !== 'failure') continue;

                await github.rest.actions.reRunWorkflowFailedJobs({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  run_id: run.id,
                });
              }
            }

            // Trigger a cross-repo-ci-rerun event for private CI
            github.rest.repos.createDispatchEvent({
              owner: context.repo.owner,
              repo: context.repo.repo,
              event_type: 'cross-repo-ci-rerun',
              client_payload: {
                sha: context.payload.pull_request.head.sha,
              }
            });

            // Remove label once failed job retriggered.
            await github.rest.issues.removeLabel({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
              name: 'CI:Rerun',
            });