oneclick/rubyinstaller — pull request #107 by Azolo (2012-04-13 14:07:23+00:00)
Title: RubyGems pre_install hook now uses require 'devkit'

Use `require 'devkit'` in `operating_system.rb` instead of duplicating the code that is already defined in `devkit.rb`

Original conception from:

https://groups.google.com/d/msg/rubyinstaller/39-GKsIC5mw/Kj24coVS6Q0J