guard/guard-cucumber — pull request #3 by mikefarmer (2012-06-19 20:44:51+00:00)
Title: Allow the user to specify a prefix to the cucumber command.

The command_prefix option allows you to prepend any other shell script
to your cucumber execution. For example, for terminal only cucumber
tests you may need to run xvfb-run before the cucumber command. The
command prefix option will allow you to do that.