# File lib/backup/config.rb, line 19
      def update(options = {})
        root_path = options[:root_path].to_s.strip
        new_root = root_path.empty? ? false : set_root_path(root_path)

        DEFAULTS.each do |name, ending|
          set_path_variable(name, options[name], ending, new_root)
        end
      end