+
+ trees[nr_trees] = parse_tree_indirect(head);
+ if (!trees[nr_trees++]) {
+ rollback_lock_file(&lock_file);
+ return -1;
+ }
+ trees[nr_trees] = parse_tree_indirect(remote);
+ if (!trees[nr_trees++]) {
+ rollback_lock_file(&lock_file);
+ return -1;
+ }
+ for (i = 0; i < nr_trees; i++) {
+ parse_tree(trees[i]);
+ init_tree_desc(t+i, trees[i]->buffer, trees[i]->size);
+ }
+
+ memset(&opts, 0, sizeof(opts));
+ dir_init(&dir);