6 steps to set up a rails development environment on OS X:
- install Apple Command Line Tools
- install homebrew[1]:
/usr/bin/ruby -e "$(/usr/bin/curl -fksSL https://raw.github.com/mxcl/homebrew/master/Library/Contributions/install_homebrew.rb)"
- install rvm:
bash -s stable < <(curl -s https://raw.github.com/wayneeseguin/rvm/master/binscripts/rvm-installer)
- install ruby
rvm install 1.9.3
- install rails