static void file_change(struct diff_options *options,
		 unsigned old_mode, unsigned new_mode,
		 const unsigned char *old_sha1,
		 const unsigned char *new_sha1,
		 const char *fullpath)
{
	tree_difference = REV_TREE_DIFFERENT;
	DIFF_OPT_SET(options, HAS_CHANGES);
}
Unknown