$ git clone -n https://gitee.com/wynn-open-cloud-os/mariadb.git /var/lib/mock/dist-ocs23-build-11469-571/root/chroot_tmpdir/scmroot/mariadb
Cloning into '/var/lib/mock/dist-ocs23-build-11469-571/root/chroot_tmpdir/scmroot/mariadb'...
$ git fetch origin HEAD:KOJI_FETCH_HEAD
From https://gitee.com/wynn-open-cloud-os/mariadb
 * [new ref]                    -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7de3675 ttt