Create git branch from ticket summary string

git-cbr

#!/usr/bin/env ruby
# Put this in your path named something like git-cbr
# chmod +x git-cbr
# then can git cbr This is the /ticket/I/am/working on
# creates a branch named "this-is-the-ticket-i-am-working-on"

safe_name = ARGV.map { |a| a.downcase }.join("-").gsub(/[^\w+]/, "-").gsub("--", "-")
%x{git co -b #{safe_name}}