Quick setup of Bundler, rbenv and latest Ruby.

install.sh

# Run with:
#
# curl -fsSL https://gist.github.com/timblair/5919255/raw | bash

$( which brew >/dev/null ) || ruby -e "$(curl -fsSL https://raw.github.com/mxcl/homebrew/go)"
brew update

$( which rbenv >/dev/null) || brew install rbenv --HEAD
$( which ruby-build > /dev/null ) || brew install ruby-build --HEAD
brew upgrade ruby-build

echo 'eval "$(rbenv init -)"' >> ~/.profile
. ~/.profile
echo -e "install: --no-rdoc --no-ri\nupdate: --no-rdoc --no-ri" >> ~/.gemrc

rbenv install 2.0.0-p247
rbenv global 2.0.0-p247

gem update --system
gem install rbenv-rehash
gem install --pre bundler