svoid bcelFixZip2Zip(File inZip, File outZip
    default appendBaseName(inZip, ".bcel-fixed")) {
  Zip2Zip z2z = new(inZip, outZip);
  z2z.copyFileContents = (name, in, out) -> {
    if (endsWith(name, ".class")) {
      print("FIXING " + name);
      bcelRoundtrip(in, name, out);
    } else
      copyStream(in, out);
  };
  z2z.run();
}