boxen/puppet-git — pull request #24 by johnbellone (2013-10-29 16:14:44+00:00)
Title: Add HEAD to the Git Homebrew formula

This option matches the [default Homebrew formula](https://github.com/mxcl/homebrew/blob/master/Library/Formula/git.rb) which allows for installation using the --HEAD flag passed to Homebrew.