source :rubygems gemspec group :test do gem 'johnson', :platform => :mri_18 gem 'json' # see https://github.com/nu7hatch/mustang/issues/18 gem 'mustang', :platform => :ruby, :git => "https://github.com/nu7hatch/mustang.git", :ref => "2a3bcfbd9fd0f34e9b004fcd92188f326b40ec2a" gem 'therubyracer', :platform => :ruby gem 'therubyrhino', :platform => :jruby end