version: 2
mergeable:
  - when: pull_request.*
    name: "Changelog check"
    validate:
      - do: or
        validate:
        - do: description
          must_include:
            regex: '#skip-changelog'
        - do: and
          validate:
            - do: dependent
              changed:
                file: 'src/**'
                required: ['CHANGELOG.md']
            - do: dependent
              changed:
                file: 'deltachat-ffi/src/**'
                required: ['CHANGELOG.md']
    fail:
      - do: checks
        status: 'action_required' 
        payload:
          title: Changelog might need an update
          summary: "Check if CHANGELOG.md needs an update or add #skip-changelog to the PR description."