enforce-pr-labels.yml

name: Enforce labels on Pull Request
on:
    pull_request_target:
        types: [labeled, unlabeled, ready_for_review, review_requested]

# Disable permissions for all available scopes by default.
# Any needed permissions should be configured at the job level.
permissions: {}

jobs:
    type-related-labels:
        runs-on: 'ubuntu-24.04'
        if: ${{ github.event.pull_request.state == 'open' }}
        permissions:
            pull-requests: write
        steps:
            - uses: mheap/github-action-required-labels@23e10fde7e062233401931a0eece796cd9bf3177 # v5.6.0
              with:
                  mode: exactly
                  count: 1
                  labels: '^\[Type\]'
                  use_regex: true
                  add_comment: true
                  message: "**Warning: Type of PR label mismatch**\n\n To merge this PR, it requires {{ errorString }} {{ count }} label indicating the type of PR. Other labels are optional and not being checked here. \n- **Required label**: Any label starting with `[Type]`.\n- **Labels found**: {{ applied }}.\n\nRead more about [Type labels in Gutenberg](https://github.com/WordPress/gutenberg/labels?q=type). Don't worry if you don't have the required permissions to add labels; the PR reviewer should be able to help with the task."
                  exit_type: failure