mxcl/homebrew — pull request #12247 by wingrunr21 (2012-05-14 21:08:20+00:00)
Title: Use a git style clone instead of HTTPS to avoid having to use HTTP credentials

Per Issue #12244

When tapping a private github repo, brew update requires the user to input their Github credentials every time. This changes the url to be a git style clone so that SSH key auth can be used instead.