cucumber/cucumber — pull request #575 by gspilio (2013-10-18 22:58:18+00:00)
Title: Add :red_features :green_features hooks.

Add two hooks analogous to preexisting :red and :green.
Also add instance variable failed_scenarios_count.

A nice example of the functionality they provide is the following:
The two hooks and the new variable combined can be used to update
your terminal title with the number of failing scenarios.