name: PR Conventional Commit Validation

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  validate-pr-title:
    runs-on: ubuntu-latest
    steps:
      - name: Validate PR title
        uses:  amannn/action-semantic-pull-request@v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          # Configure that a scope must always be provided.
          requireScope: true
          # Configure additional validation for the subject based on a regex.
          # This example ensures the subject doesn't start with an uppercase character.
          subjectPattern: ^(?![A-Z]).+$
          # If `subjectPattern` is configured, you can use this property to 
          # override the default error message that is shown when the pattern 
          # doesn't match. The variables `subject` and `title` can be used 
          # within the message.
          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.
          # If the PR contains one of these newline-delimited labels, the
          # validation is skipped. If you want to rerun the validation when
          # labels change, you might want to use the `labeled` and `unlabeled`
          # event triggers in your workflow.
          ignoreLabels: |
            release