class Mixlib::Archive::Tar

def create(files, gzip: false)
  tgt_dir = File.dirname(archive)
  target = Tempfile.new(File.basename(archive), tgt_dir)
  Gem::Package::TarWriter.new(target) do |tar|
    files.each do |fn|
      mode = File.stat(fn).mode
      file = File.open(fn, "rb")
      tar.add_file(fn, mode) do |io|
        io.write(file)
      end
      file.close
    end
  end
  target.close
  if gzip
    Zlib::GzipWriter.open(archive) do |gz|
      gz.mtime = File.mtime(target.path)
      gz.orig_name = File.basename(archive)
      gz.write IO.binread(target.path)
    end
  else
    FileUtils.mv(target.path, archive)
  end
ensure
  target.close unless target.closed?
end