ENV['rails'] ||= '4.2.0.rc2' source 'https://rubygems.org' gem 'rails', "~> #{ENV['rails']}" if ENV['rails'][0] == '4' gem 'database_cleaner', '~> 1.3.0' end if ENV['rails'] =~ /4.0|3.2/ gem 'rubysl-test-unit' end gemspec path: '../'