Rack app to serve the current chef repo as a tar file

config.ru

require "open3"

class TarApp
  def call(env)
    data   = nil
    status = nil

    if(env["REQUEST_PATH"] !~ /(tgz|tar\.gz)/)
      return [ 301, { "Location" => "/current.tgz" }, "" ]
    end

    Dir.chdir(File.expand_path("..", __FILE__)) do
      data, status = Open3.capture2e("tar cz cookbooks/ data_bags/ roles/")
    end

    if status.success?
      [ 200, { "Content-Type" => "application/octet-stream" }, data ]
    else
      [ 500, { "Content-Type" => "text/plain", }, data ]
    end
  end
end

run TarApp.new