DIFF_OPT_SET(&diff_opts, RECURSIVE);
diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
diff_opts.format_callback = submodule_collect_changed_cb;
- if (diff_setup_done(&diff_opts) < 0)
- die("diff_setup_done failed");
+ diff_setup_done(&diff_opts);
diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
diffcore_std(&diff_opts);
diff_flush(&diff_opts);