add_checksums

# File lib/rubygems/package.rb, line 171
  def add_checksums tar
    Gem.load_yaml

    checksums_by_algorithm = Hash.new { |h, algorithm| h[algorithm] = {} }

    @checksums.each do |name, digests|
      digests.each do |algorithm, digest|
        checksums_by_algorithm[algorithm][name] = digest.hexdigest
      end
    end

    tar.add_file_signed 'checksums.yaml.gz', 0444, @signer do |io|
      gzip_to io do |gz_io|
        YAML.dump checksums_by_algorithm, gz_io
      end
    end
  end