# File lib/jeweler/generator/github_mixin.rb, line 4
      def self.extended(generator)
        generator.github_username           = generator.options[:github_username]
        generator.github_token              = generator.options[:github_token]
        generator.should_create_remote_repo = generator.options[:create_repo]

        unless generator.github_username
          raise NoGitHubUser
        end
        
        if generator.should_create_remote_repo
          unless generator.github_token
            raise NoGitHubToken
          end
        end
      end