# File lib/bundler/source.rb, line 463
      def initialize(options)
        super

        # stringify options that could be set as symbols
        %w(ref branch tag revision).each{|k| options[k] = options[k].to_s if options[k] }

        @uri        = options["uri"]
        @ref        = options["ref"] || options["branch"] || options["tag"] || 'master'
        @revision   = options["revision"]
        @submodules = options["submodules"]
        @update     = false
      end