Gem.sources.each { |uri| source uri } sibling = "#{File.dirname(__FILE__)}/.." gem "activesupport", "3.0.pre", :vendored_at => "#{sibling}/activesupport" gem "activemodel", "3.0.pre", :vendored_at => "#{sibling}/activemodel" gem "actionpack", "3.0.pre", :vendored_at => "#{sibling}/actionpack" gem "mocha" #disable_system_gems