$ git clone -n https://gitee.com/geliwei/mariadb.git /var/lib/mock/dist-an23-build-553174-89038/root/chroot_tmpdir/scmroot/mariadb
Cloning into '/var/lib/mock/dist-an23-build-553174-89038/root/chroot_tmpdir/scmroot/mariadb'...
$ git fetch origin 472928366e9f691dfa6c23fafb4d5f3364fe14a0:KOJI_FETCH_HEAD
From https://gitee.com/geliwei/mariadb
 * [new ref]         472928366e9f691dfa6c23fafb4d5f3364fe14a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4729283 fix: CVE-2023-52969 MariaDB Server crash in make_aggr_tables_info/optimize_stage2