module HelperExtensions
  def self.included base
    base.class_eval do
      def extend_with_extensions(*args)
        extend_without_extensions(*args)
        methods.grep(/helper_actions/).each do |helper|
          self.instance_eval <<-END
            def self.#{helper}_with_clone
              res = self.send("#{helper}_without_clone")
              res += " lo he conseguido!!!"
              res
            end
            class <<self;self end.class_eval do
              alias_method_chain helper.to_sym, :clone
            end
          END
        end
      end

      alias_method_chain :extend, :extensions
    end
  end
end

::ActionView::Base.send(:include, ::HelperExtensions)