$ git clone -n https://gitee.com/mgb01105731/mariadb-connector-c_2.git /var/lib/mock/dist-an23-build-441166-73164/root/chroot_tmpdir/scmroot/mariadb-connector-c_2
Cloning into '/var/lib/mock/dist-an23-build-441166-73164/root/chroot_tmpdir/scmroot/mariadb-connector-c_2'...
$ git fetch origin ee122d786ff8081bd1ee55c063b154d708fffb72:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/mariadb-connector-c_2
 * [new ref]         ee122d786ff8081bd1ee55c063b154d708fffb72 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee122d7 use upstream tar