source 'https://rubygems.org' gemspec case (opal_version = ENV['OPAL_VERSION']) when 'master' gem 'opal', github: 'opal/opal', branch: 'master' gem 'opal-sprockets', github: 'opal/opal-sprockets' gem 'opal-rspec', github: 'opal/opal-rspec', branch: 'master', submodules: true when nil gem 'opal' # let bundler pick a version else gem 'opal', opal_version end # gem 'opal-rspec', github: 'opal/opal-rspec', submodules: true # gem 'opal-rspec', path: '../opal-rspec' gem 'rack', ENV['RACK_VERSION'] || '> 0'