Function repo_write_loose_object_map

loose.c:128–171

}

int repo_write_loose_object_map(struct repository *repo)
{
	struct odb_source_files *files = odb_source_files_downcast(repo->objects->sources);
	kh_oid_map_t *map = files->loose->map->to_compat;
	struct lock_file lock;
	int fd;
	khiter_t iter;
	struct strbuf buf = STRBUF_INIT, path = STRBUF_INIT;

	if (!should_use_loose_object_map(repo))
		return 0;

	repo_common_path_replace(repo, &path, "objects/loose-object-idx");
	fd = hold_lock_file_for_update_timeout(&lock, path.buf, LOCK_DIE_ON_ERROR, -1);
	iter = kh_begin(map);
	if (write_in_full(fd, loose_object_header, strlen(loose_object_header)) < 0)
		goto errout;

	for (; iter != kh_end(map); iter++) {
		if (kh_exist(map, iter)) {
			if (oideq(&kh_key(map, iter), repo->hash_algo->empty_tree) ||
			    oideq(&kh_key(map, iter), repo->hash_algo->empty_blob))
				continue;
			strbuf_addf(&buf, "%s %s\n", oid_to_hex(&kh_key(map, iter)), oid_to_hex(kh_value(map, iter)));
			if (write_in_full(fd, buf.buf, buf.len) < 0)
				goto errout;
			strbuf_reset(&buf);
		}
	}
	strbuf_release(&buf);
	if (commit_lock_file(&lock) < 0) {
		error_errno(_("could not write loose object index %s"), path.buf);
		strbuf_release(&path);
		return -1;
	}
	strbuf_release(&path);
	return 0;
errout:
	rollback_lock_file(&lock);
	strbuf_release(&buf);
	error_errno(_("failed to write loose object index %s"), path.buf);
	strbuf_release(&path);
	return -1;
}

static int write_one_object(struct odb_source_loose *loose,
			    const struct object_id *oid,