$ git clone -n https://gitee.com/wenyuzifang/usermode.git /var/lib/mock/dist-an23-build-507639-74937/root/chroot_tmpdir/scmroot/usermode
Cloning into '/var/lib/mock/dist-an23-build-507639-74937/root/chroot_tmpdir/scmroot/usermode'...
$ git fetch origin d494ce00cdec1e06540b73f7c69badc1708e1ae5:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/usermode
 * [new ref]         d494ce00cdec1e06540b73f7c69badc1708e1ae5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d494ce0 Update code from upstream