I realise that OSX does not have a registry to clog up but I have just reinstalled Lion on my Macbook Air; probably a hang up from Windows. This is a checklist for installing Homebrew >> Rails. Install XCode 4.1 (There are issues with the 4.2 compiler and certain rubies and gems) Install Homebrew https://github.com/mxcl/homebrew/wiki/installation […]