backport-reminder.yml

# This workflow sends a reminder comment to PRs that have labels starting with
# `backport/` to check that the backport has run successfully.

on:
  pull_request:
    types: [ labeled ]
    # Runs on PRs to main and all release branches
    branches:
      - main
      - release/*

jobs:
  backport-label-check:
    if: "startsWith(github.event.label.name, 'backport/')"
    runs-on: ubuntu-latest

    steps:
      - name: Comment on PR
        run: |
          github_message="After merging, confirm that you see linked PRs AND check them for CI errors."
          curl -s -H "Authorization: token ${{ secrets.PR_COMMENT_TOKEN }}" \
            -X POST \
            -d "{ \"body\": \"${github_message}\"}" \
            "https://api.github.com/repos/${GITHUB_REPOSITORY}/issues/${{ github.event.pull_request.number }}/comments"