pyo3/.github/workflows/changelog.yml

name: changelog

on:
  pull_request:
    types: [opened, synchronize, labeled, unlabeled]

jobs:
  check:
    name: Check changelog entry
    runs-on: ubuntu-latest
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'CI-skip-changelog') && !startsWith(github.event.pull_request.title, 'release:') }}
    steps:
      - uses: actions/checkout@v3
      - uses: actions/github-script@v6
        id: check
        with:
          script: |
            const fs = require('node:fs')
            const path = require('node:path')

            let found = false
            const changeTypes = ['packaging', 'added', 'changed', 'removed', 'fixed']
            for (changeType of changeTypes) {
              const filename = path.join('newsfragments', `${context.issue.number}.${changeType}.md`)
              if (fs.existsSync(filename)) {
                found = true
                break
              }
            }

            if (!found) {
              const errorMsg = '📝 Changelog entry not found, please add one (or more) to `newsfragments` directory. For more information see https://github.com/PyO3/pyo3/blob/main/Contributing.md#documenting-changes'
              core.error(errorMsg)
              process.exit(1)
            }