Function do_oid_object_info_extended

odb.c:550–617

}

static int do_oid_object_info_extended(struct object_database *odb,
				       const struct object_id *oid,
				       struct object_info *oi, unsigned flags)
{
	const struct object_id *real = oid;
	int already_retried = 0;

	if (flags & OBJECT_INFO_LOOKUP_REPLACE)
		real = lookup_replace_object(odb->repo, oid);

	if (is_null_oid(real))
		return -1;

	if (!odb_source_read_object_info(odb->inmemory_objects, oid, oi, flags))
		return 0;

	odb_prepare_alternates(odb);

	while (1) {
		struct odb_source *source;

		for (source = odb->sources; source; source = source->next)
			if (!odb_source_read_object_info(source, real, oi, flags))
				return 0;

		/*
		 * When the object hasn't been found we try a second read and
		 * tell the sources so. This may cause them to invalidate
		 * caches or reload on-disk state.
		 */
		if (!(flags & OBJECT_INFO_QUICK)) {
			for (source = odb->sources; source; source = source->next)
				if (!odb_source_read_object_info(source, real, oi,
								 flags | OBJECT_INFO_SECOND_READ))
					return 0;
		}

		/*
		 * This might be an attempt at accessing a submodule object as
		 * if it were in main object store (having called
		 * `odb_add_submodule_source_by_path()` on that submodule's
		 * ODB). If any such ODBs exist, register them and try again.
		 */
		if (register_all_submodule_sources(odb))
			/* We added some alternates; retry */
			continue;

		/* Check if it is a missing object */
		if (fetch_if_missing && repo_has_promisor_remote(odb->repo) &&
		    !already_retried &&
		    !(flags & OBJECT_INFO_SKIP_FETCH_OBJECT)) {
			promisor_remote_get_direct(odb->repo, real, 1);
			already_retried = 1;
			continue;
		}

		if (flags & OBJECT_INFO_DIE_IF_CORRUPT) {
			const struct packed_git *p;