class Bundler::Source::Path

def cache(spec)
  return unless Bundler.settings[:cache_all]
  return if @original_path.expand_path(Bundler.root).to_s.index(Bundler.root.to_s) == 0
  FileUtils.rm_rf(app_cache_path)
  FileUtils.cp_r("#{@original_path}/.", app_cache_path)
  FileUtils.touch(app_cache_path.join(".bundlecache"))
end