# File lib/rubygems/local_remote_options.rb, line 87
  def add_source_option
    accept_uri_http

    add_option("Local/Remote""Local/Remote", '--source URL', URI::HTTP,
               'Use URL as the remote source for gems') do |source, options|
      source << '/' if source !~ /\/\z/

      if options[:added_source] then
        Gem.sources << source unless Gem.sources.include?(source)
      else
        options[:added_source] = true
        Gem.sources.replace [source]
      end
    end
  end