prerelease_specs

# File lib/rubygems/server.rb, line 539
  def prerelease_specs req, res
    reset_gems

    res['content-type'] = 'application/x-gzip'

    add_date res

    specs = Gem::Specification.select do |spec|
      spec.version.prerelease?
    end.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$/ then
      specs = Gem.gzip specs
      res['content-type'] = 'application/x-gzip'
    else
      res['content-type'] = 'application/octet-stream'
    end

    if req.request_method == 'HEAD' then
      res['content-length'] = specs.length
    else
      res.body << specs
    end
  end