$ git clone -n https://gitee.com/src-opencloudos-rpms/mariadb-connector-c.git /var/lib/mock/dist-oc8-build-254481-84409/root/chroot_tmpdir/scmroot/mariadb-connector-c
Cloning into '/var/lib/mock/dist-oc8-build-254481-84409/root/chroot_tmpdir/scmroot/mariadb-connector-c'...
$ git fetch origin 515ebee68f7de4970c495868924c420212f030ae:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/mariadb-connector-c
 * [new ref]         515ebee68f7de4970c495868924c420212f030ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 515ebee import mariadb-connector-c-3.1.11-3.tl3