Merge branch 'jc/range-diff-lazy-setup'

Code clean-up.

* jc/range-diff-lazy-setup:
  remerge-diff: clean up temporary objdir at a central place
  remerge-diff: lazily prepare temporary objdir on demand

builtin/submodule--helper.c

@@ -672,7 +672,7 @@ static void status_submodule(const char *path, const struct object_id *ce_oid,
 	setup_revisions(diff_files_args.nr, diff_files_args.v, &rev, &opt);
 	run_diff_files(&rev, 0);
 
-	if (!diff_result_code(&rev.diffopt)) {
+	if (!diff_result_code(&rev)) {
 		print_status(flags, ' ', path, ce_oid,
 			     displaypath);
 	} else if (!(flags & OPT_CACHED)) {