rvm

http://rvm.io/

RVM ~ Ruby Environment Manager ~ Ruby Gem Library

• gem install rvm

Most common ways to use RVM from ruby process

require 'rvm'
RVM.gemset_use! 'rails3'
RVM.use_from_path! '/path/to/project' # The same ruby has to be used

The most common use for this gem is in Passenger integration:

• https://rvm.io/integration/passenger/

$ rake spec