module Selenium::WebDriver::Zipper

def unzip(path)
  destination = Dir.mktmpdir('webdriver-unzip')
  FileReaper << destination
  Zip::File.open(path) do |zip|
    zip.each do |entry|
      to      = File.join(destination, entry.name)
      dirname = File.dirname(to)
      FileUtils.mkdir_p dirname unless File.exist? dirname
      zip.extract(entry, to)
    end
  end
  destination
end