Function diff_result_code

diff.c:7536–7557

}

int diff_result_code(struct rev_info *revs)
{
	struct diff_options *opt = &revs->diffopt;
	int result = 0;

	if (revs->remerge_diff) {
		tmp_objdir_destroy(revs->remerge_objdir);
		revs->remerge_objdir = NULL;
	}

	diff_warn_rename_limit("diff.renameLimit",
			       opt->needed_rename_limit,
			       opt->degraded_cc_to_c);

	if (opt->flags.exit_with_status &&
	    opt->flags.has_changes)
		result |= 01;
	if ((opt->output_format & DIFF_FORMAT_CHECKDIFF) &&
	    opt->flags.check_failed)
		result |= 02;
	return result;
}

int diff_can_quit_early(struct diff_options *opt)
{