* @param manifest The manifest (can be null).
*/
protected void pack(Manifest manifest, Option... options) {
final Options options$ = Options.$($, options);
final ClassLoader systemloader = ClassLoader.getSystemClassLoader().getParent();
final boolean debug = options$.debug();
URLClassLoader loader = $(getClass().getClassLoader()).get(URLClassLoader.class, null);
// Check the current loader
if (loader == null) {
System.err.println("Unable to get the classpath for this script. Cannot pack. Sorry.");