add-flaky-test-label.yml

name: Add 'triage/flaky-test' label and inform if PR CI run contained flaky tests
on:
  workflow_run:
    workflows: ["Pull Request CI"]
    types:
      - completed
jobs:
  handle-flaky-tests-in-pr-ci:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      GH_REPO: ${{ github.repository }}
      WORKFLOW_ID:  ${{ github.event.workflow_run.id }}
    steps:
      - name: 'Download "jobs-with-flaky-tests" artifact'
        run: gh run download $WORKFLOW_ID -n jobs-with-flaky-tests || true
      - name: 'Get PR number'
        if: ${{ hashFiles('**/jobs-with-flaky-tests') != '' }}
        run: gh run download $WORKFLOW_ID -n pr-number || true
      - name: 'Add "triage/flaky-test" label'
        if: ${{ hashFiles('**/pr-number') != '' }}
        run: |
          gh pr edit "$(cat pr-number)" --add-label 'triage/flaky-test'
      - name: 'Comment on PR about flaky tests'
        if: ${{ hashFiles('**/pr-number') != '' }}
        run: |
          gh pr comment "$(cat pr-number)" --body "Following jobs contain at least one flaky test: $(cat jobs-with-flaky-tests)"