My Ruby setup

setup.sh

# Install ruby-build
git clone [email protected]:sstephenson/ruby-build.git ~/.ruby-build
cd ~/.ruby-build
./install.sh 

# List definitions
ruby-build --definitions

# Install some Rubies
ruby-build jruby-1.7.6 ~/.rubies/jruby-1.7.6
ruby-build 2.0.0-p247 ~/.rubies/2.0.0-p247
ruby-build rbx-2.1.1 ~/.rubies/rbx-2.1.1

# Install chruby
# See instructions at https://github.com/postmodern/chruby

# To update ruby-build later:
cd ~/.ruby-build
git pull
./install.sh