$ git clone -n https://gitee.com/src-opencloudos-rpms/mariadb.git /var/lib/mock/dist-oc9-build-251284-84092/root/chroot_tmpdir/scmroot/mariadb
Cloning into '/var/lib/mock/dist-oc9-build-251284-84092/root/chroot_tmpdir/scmroot/mariadb'...
$ git fetch origin fea78137fc9f04eb90c583184b361c3c2b16217e:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mariadb
 * [new ref]         fea78137fc9f04eb90c583184b361c3c2b16217e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fea7813 import mariadb-10.11.19-1.tl4