force adding (issue #digit or fixed #digit) into commit message

commit-msg

#!/usr/bin/env ruby

message_file = ARGV[0]

message = File.read(message_file)

#starts with # then number, space, and at least 5 words no more than 200
$regex = /(fixed #(\d+)|issue #(\d+))/

if !$regex.match(message)
puts "Please add issue #digit or fixed #digit to your commit msg"
exit 1
end

http://www.launchacademy.com/blog/posts/automatically-prevent-some-bad-git-commits#.Uq9-CH8ayK0