Rails snippet to trace redirects

trace_redirect.rb

# add to application_controller.rb
# from: http://stackoverflow.com/questions/15274038/how-to-trace-redirect-to-in-a-rails-app-while-hunting-bugs
def redirect_to(options = {}, response_status = {})
  ::Rails.logger.error("Redirected by #{caller(1).first rescue "unknown"}")
  super(options, response_status)
end