rbenv ruby-2.2.3-railsexpress
Bash script to install ruby-2.2.3 patched railsexpress on rbenv
https://gist.github.com/manzhikov/418da52577ef31903580
Quick install:
git clone https://gist.github.com/418da52577ef31903580.git ruby-2.2.3-railsexpress
cd ruby-2.2.3-railsexpress
bash ./install.sh