robbyrussell/oh-my-zsh — pull request #2616 by Bounga (2014-03-17 09:08:22+00:00)
Title: Don't set RBENV_ROOT to "$HOME/.rbenv" when using Homebrew rbenv

Hard setting RBENV_ROOT to "$HOME/.rbenv" when using Homebrew's rbenv
will breaks it. It has to be set to $(brew --prefix rbenv).