Function diff_add_if_missing

diff.c:7440–7449

}

void diff_add_if_missing(struct repository *r,
			 struct oid_array *to_fetch,
			 const struct diff_filespec *filespec)
{
	if (filespec && filespec->oid_valid &&
	    !S_ISGITLINK(filespec->mode) &&
	    odb_read_object_info_extended(r->objects, &filespec->oid, NULL,
					  OBJECT_INFO_FOR_PREFETCH))
		oid_array_append(to_fetch, &filespec->oid);
}

void diff_queued_diff_prefetch(void *repository)
{