class Riddle::AutoVersion def self.configure controller = Riddle::Controller.new nil, '' version = ENV['SPHINX_VERSION'] || controller.sphinx_version case version when '0.9.8', '0.9.9' require "riddle/#{version}" when /1.10/ require 'riddle/1.10' when /2.0.\d/ require 'riddle/2.0.1' when /2.1.\d/ require 'riddle/2.1.0' end end end