add_metadata

# File lib/rubygems/package.rb, line 231
  def add_metadata tar # :nodoc:
    digests = tar.add_file_signed 'metadata.gz', 0444, @signer do |io|
      gzip_to io do |gz_io|
        gz_io.write @spec.to_yaml
      end
    end

    @checksums['metadata.gz'] = digests
  end