class Guard::PluginUtil

def add_to_guardfile
  if ::Guard.evaluator.guardfile_include?(name)
    ::Guard::UI.info "Guardfile already includes #{ name } guard"
  else
    content = File.read('Guardfile')
    File.open('Guardfile', 'wb') do |f|
      f.puts(content)
      f.puts('')
      f.puts(plugin_class.template(plugin_location))
    end
    ::Guard::UI.info "#{ name } guard added to Guardfile, feel free to edit it"
  end
end