$ git clone -n https://gitee.com/wency_cn/galera.git /var/lib/mock/dist-an23-build-502385-74802/root/chroot_tmpdir/scmroot/galera
Cloning into '/var/lib/mock/dist-an23-build-502385-74802/root/chroot_tmpdir/scmroot/galera'...
$ git fetch origin 28b05d7f0cd19cafb4c78e0ee5239f5fa7f0af0f:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/galera
 * [new ref]         28b05d7f0cd19cafb4c78e0ee5239f5fa7f0af0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28b05d7 Update code from upstream