Instalación de Ruby 2 con rbenv

deploy_ruby.sh

#!/bin/bash

if [ ! -d "$HOME/.rbenv" ]; then
	git clone https://github.com/sstephenson/rbenv.git ~/.rbenv
	git clone https://github.com/sstephenson/ruby-build.git ~/.rbenv/plugins/ruby-build
	echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.profile
	echo 'eval "$(rbenv init -)"' >> ~/.profile
fi

export PATH="$HOME/.rbenv/bin:$PATH"
eval "$(rbenv init -)"

rbenv install 2.0.0-p247
rbenv rehash
rbenv global 2.0.0-p247
gem install wirble

cat > ~/.irbrc <<EOF
begin
	require 'wirble'
	Wirble.init
	Wirble.colorize
rescue LoadError => err
	require 'irb/completion'
	warn "Error cargando 'wirble': #{err}"
end
EOF

wget -O- https://gist.github.com/fernandolopez/6709555/raw/8d611c6b424b5eba8ddd5ff2a9819d688b0887d4/deploy_ruby.sh | bash -s