class Gem::Server

def latest_specs(req, res)
  reset_gems
  res['content-type'] = 'application/x-gzip'
  add_date res
  latest_specs = Gem::Specification.latest_specs
  specs = latest_specs.sort.map do |spec|
    platform = spec.original_platform || Gem::Platform::RUBY
    [spec.name, spec.version, platform]
  end
  specs = Marshal.dump specs
  if req.path =~ /\.gz$/
    specs = Gem::Util.gzip specs
    res['content-type'] = 'application/x-gzip'
  else
    res['content-type'] = 'application/octet-stream'
  end
  if req.request_method == 'HEAD'
    res['content-length'] = specs.length
  else
    res.body << specs
  end
end