restart-on-label.yml

name: Restart by label
on:
  pull_request_target:
    types:
      - unlabeled
      - labeled
jobs:
  restart-on-label:
    runs-on: ubuntu-latest
    if: contains(github.event.label.name, 'merge-ci') || contains(github.event.label.name, 'release-ci')
    steps:
    - run: |
        # Finding latest CI workflow run on current pull request
        # (unfortunately cannot search by PR number, only base branch,
        # and that is't even unique given PRs from forks, but the risk
        # of confusion is low and the danger is mild)
        echo "Trying to find a run with branch $head_ref and commit $head_sha"
        run_id="$(gh run list -e pull_request -b "$head_ref" -c "$head_sha" \
          --workflow 'CI' --limit 1 --json databaseId --jq '.[0].databaseId')"
        echo "Run id: ${run_id}"
        gh run view "$run_id"
        echo "Cancelling (just in case)"
        gh run cancel "$run_id" || echo "(failed)"
        echo "Waiting for 30s"
        sleep 30
        gh run view "$run_id"
        echo "Rerunning"
        gh run rerun "$run_id"
        gh run view "$run_id"
      shell: bash
      env:
        head_ref: ${{ github.head_ref }}
        head_sha: ${{ github.event.pull_request.head.sha }}
        GH_TOKEN: ${{ github.token }}
        GH_REPO: ${{ github.repository }}