int diff_tree(struct tree_desc *t1, struct tree_desc *t2, const char *base, struct diff_options *opt)
{
while (t1->size | t2->size) {
+ if (opt->quiet && opt->has_changes)
+ break;
if (opt->nr_paths && t1->size && !interesting(t1, base, opt)) {
update_tree_entry(t1);
continue;