def default_role_path
      Pathname.new(Dir.pwd).ascend do |path|
        possible = File.join(path, 'roles')
        return possible if File.exist?(possible)
      end

      nil
    end
def default_role_path
      Pathname.new(Dir.pwd).ascend do |path|
        possible = File.join(path, 'roles')
        return possible if File.exist?(possible)
      end

      nil
    end
The inferred path to roles.

 @return [String, nil]