Instalação do Clean Rails no OS X Mountain Lion: Homebrew + RVM + Ruby 1.9.3 + Git + MySQL

1. Ferramentas de linha de comando

Pacote de instalação

2. Homebrew

$ ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)"
$ brew install automake

3. RVM

$ curl -L https://get.rvm.io | bash -s stable --ruby
$ source
~/.rvm/scripts/rvm

4. Ruby 1.9.3

$ rvm install 1.9.3-head
$ rvm
use ruby-1.9.3-head

5. Trilhos

$ gem install rails

6. Git

brew install git

7. MySQL

$ brew install mysql
$ mysql_install_db
--verbose --user=`whoami` --basedir="$(brew --prefix mysql)" --datadir=/usr/local/var/mysql --tmpdir=/tmp
$ mkdir
-p ~/Library/LaunchAgents
$ cp
/usr/local/Cellar/mysql/5.5.27/homebrew.mxcl.mysql.plist ~/Library/LaunchAgents/
$ launchctl load
-w ~/Library/LaunchAgents/homebrew.mxcl.mysql.plist