Rails Against The Machine

Back buttons based on request.env["HTTP_REFERER"] tend to get broken by renders and redirects
Set it in the session with.

  def set_backurl 
    referer = request.env["HTTP_REFERER"]
    return false if !referer
    getIt = request.env["REQUEST_URI"].split("?")[1]
    if getIt.nil?
      getIt = ""
    else
      getIt = "?" + getIt if !getIt.match(/\?/)
    end
    session[:backurl]=referer + getIt
  end
  

get it with

    @backurl =session[:backurl]