static void zip2zip_exceptManifest(File inZip, ZipOutputStream outZip) ctex {
  ZipFile zipFile = new ZipFile(inZip);
  try {
    Enumeration entries = zipFile.entries();
    while (entries.hasMoreElements()) {
      ZipEntry entry = (ZipEntry) entries.nextElement();
      if (entry.isDirectory()) continue;
      S name = entry.getName();
      //if (eq(name, "META-INF/MANIFEST.MF")) continue;
      if (startsWith(name, "META-INF/")) continue;
      
      temp smartZipCompressionLevel(outZip, name);
      outZip.putNextEntry(new ZipEntry(name));
      copyStreamAndCloseInput(zipFile.getInputStream(entry), outZip);
    }
  } finally {
    zipFile.close();
  }
}

Began life as a copy of #1001173