mxcl/homebrew — pull request #16452 by Havenwood (2012-12-06 22:18:05+00:00)
Title: Chruby, Ruby version manager for changing Rubies.

Chruby is a Ruby version manager that focuses on the task of easily changing the currently used Ruby with fuzzy name matching. Chruby lets you build and install your Rubies wherever you like, without using executable shims or hooking cd. https://github.com/postmodern/chruby