Gem.sources.each { |uri| source uri } sibling = "#{File.dirname(__FILE__)}/.." gem "mocha" gem "arel", :git => "git://github.com/rails/arel.git" gem "rack", "1.0.1", :git => "git://github.com/rails/rack.git", :branch => "rack-1.0" gem "rack-test", "~> 0.5.0" %w(activesupport activemodel actionpack actionmailer activerecord activeresource).each do |lib| gem lib, '3.0.pre', :vendored_at => "#{sibling}/#{lib}" end