name: Merged Pull Request
permissions:
  pull-requests: write

# only trigger on pull request closed events
on:
  pull_request_target:
    types: [ closed ]

jobs:
  merge_job:
    # this job will only run if the PR has been merged
    if: github.event.pull_request.merged == true
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v5
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: "Reminder for the merging maintainer: if this is a user-visible change, please update the changelog on the appropriate release branch."
            })