create_notes_commit(t, NULL, buf.buf, buf.len, commit_oid.hash);
strbuf_insert(&buf, 0, "notes: ", 7); /* commit message starts at index 7 */
- update_ref(buf.buf, t->update_ref, commit_oid.hash, NULL, 0,
+ update_ref(buf.buf, t->update_ref, &commit_oid, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
strbuf_release(&buf);