- sprintf(ref_name, "tags/%s", t->name);
- lock = lock_ref_sha1(ref_name, NULL);
- if (!lock || write_ref_sha1(lock, t->sha1, msg) < 0)
- failure |= error("Unable to update %s", ref_name);
+ strbuf_reset(&ref_name);
+ strbuf_addf(&ref_name, "refs/tags/%s", t->name);
+
+ if (ref_transaction_update(transaction, ref_name.buf, t->sha1,
+ NULL, 0, 0, &err)) {
+ failure |= error("%s", err.buf);
+ goto cleanup;
+ }