version: 2
mergeable:
  - when: pull_request.opened, pull_request.edited, pull_request.synchronize
    name: PR title check
    validate:
      - do: title
        must_include:
          regex: '(build|chore|ci|docs|feat|fix|perf|refactor|revert|style|test)\(multi|config|github|script|deps|dev-deps|app|release\): [A-Z].+$'
    fail:
      - do: checks
      - do: comment
        payload:
          body: Pull request title needs to match the format enforced for commit messages.

  - when: pull_request.opened, pull_request.assigned, pull_request.unassigned, pull_request.synchronize
    name: PR assignee check
    validate:
      - do: assignee
        min:
          count: 1
    fail:
      - do: checks
      - do: comment
        payload:
          body: Pull request needs to have an assignee, which is the person who will merge. This is usually the author to prevent merging PRs early by accident.