class Rails::Application

def assets
  return @assets if defined? @assets
  @assets = Sprockets::Environment.new(root.to_s) do |env|
    env.version = ::Rails.env
    path = "#{config.root}/tmp/cache/assets/#{::Rails.env}"
    env.cache = Sprockets::Cache::FileStore.new(path)
    env.context_class.class_eval do
      include ::Sprockets::Rails::Helper
    end
  end
end