name: lint-pr

on:
  pull_request_target:
    types:
      - opened
      - edited
      - synchronize

permissions:
  # read-only perms specified due to use of pull_request_target in lieu of security label check
  pull-requests: read

jobs:
  validate-title:
    if:
      github.repository == 'feast-dev/feast'
    name: Validate PR title
    runs-on: ubuntu-latest
    steps:
      - uses: amannn/action-semantic-pull-request@v4
        with:
          # Must use uppercase
          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
            starts with an uppercase character.
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}