module Helpers
  module Items
    class Nanoc::Item

      alias_method :old_path, :path

      def path(params = { })
        return @site.items.find!(self[:forward]).path if self[:forward]
        old_path(params)
      end
    end
  end
end

###
Captain! We’ve been hit!

=== MESSAGE:

SystemStackError: stack level too deep

=== COMPILATION STACK:

  (empty)

=== BACKTRACE:

  0. somewhere/tmp/gems/ruby/1.9.1/gems/haml-3.1.4/lib/haml/engine.rb:191