# https://rvm.io 
hash curl 2>/dev/null || { echo >&2 "I require curl but it's not installed.  Aborting."; exit 1; }   
 
# get ruby version manager
curl -L https://get.rvm.io | bash -s stable --ruby
 
# compile-in external libraries with ruby
rvm pkg install openssl
rvm pkg install zlib
 
# RECOMPILE: if rvm installation already contains ruby versions
# $ rvm reinstall $(rvm list strings | tr "\n" ',')
# $ rvm all-gemsets do rvm gemset pristine
 
# install required (baseline) ruby version and recent releases
rvm install 1.8.7-latest 
rvm install 1.9.3-latest
 
# create a gemset and set it as default
rvm gemset create jsprocket
rvm use 1.9.3-latest@jsprocket --default
 
 
# Checks:
#-------
# ruby -v
# rvm gemset list
# rvm list