Ruby installation with rbenv

install_ruby_rbenv.sh

#!/usr/bin/env sh
rm -rf ~/.rbenv/
cd
git clone git://github.com/sstephenson/rbenv.git .rbenv
echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.zshenv
echo 'eval "$(rbenv init -)"' >>  ~/.zshenv

# Ruby build (rbenv don't have install command by default)
mkdir -p ~/.rbenv/plugins
cd ~/.rbenv/plugins
git clone git://github.com/sstephenson/ruby-build.git
rbenv install 1.9.3-p125


gem install rails