pr_title.yml

name: PR Title Checker
on:
  pull_request:
    types:
      - opened
      - edited
      - synchronize
      - labeled
      - unlabeled
# below permissions are needed to allow forked PR creators to edit title: https://github.com/actions/labeler/issues/12#issuecomment-1095272652
permissions:
  checks: write
  contents: read
  pull-requests: write
jobs:
  pr_title:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/labeler@v4
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
      - uses: amannn/action-semantic-pull-request@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ignoreLabels: meta
          scopes: |
            web
            server
          subjectPattern: ^(?![A-Z]).+$
          subjectPatternError: |
            The subject "{subject}" found in the pull request title "{title}"
            didn't match the configured pattern. Please ensure that the subject
            doesn't start with an uppercase character.