class Bundler::Runtime

def prune_cache(cache_path)
  SharedHelpers.filesystem_access(cache_path) do |p|
    FileUtils.mkdir_p(p)
  end unless File.exist?(cache_path)
  resolve = @definition.resolve
  prune_gem_cache(resolve, cache_path)
  prune_git_and_path_cache(resolve, cache_path)
end