# File lib/compass-rails.rb, line 34
    def setup_fake_rails_env_paths(sprockets_env)
      return unless rails_loaded?
      keys = ['app/assets', 'lib/assets', 'vendor/assets']
      local = keys.map {|path| ::Rails.root.join(path) }.map { |path| [File.join(path, 'images'), File.join(path, 'stylesheets')] }.flatten!
      sprockets_env.send(:trail).paths.unshift(*local)
      paths = []
      ::Rails::Engine.subclasses.each do |subclass|
        paths = subclass.paths
        keys.each do |key|
          sprockets_env.send(:trail).paths.unshift(*paths[key].existent_directories)
        end
      end
    end