$ git clone -n https://gitee.com/wency_cn/usermode.git /var/lib/mock/dist-an23-build-508220-74974/root/chroot_tmpdir/scmroot/usermode
Cloning into '/var/lib/mock/dist-an23-build-508220-74974/root/chroot_tmpdir/scmroot/usermode'...
$ git fetch origin f86a766f2a833fa218a6fc736648dae280870b97:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/usermode
 * [new ref]         f86a766f2a833fa218a6fc736648dae280870b97 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f86a766 Update code from upstream