$ git clone -n https://gitee.com/wency_cn/mtr.git /var/lib/mock/dist-an23-build-492606-74553/root/chroot_tmpdir/scmroot/mtr
Cloning into '/var/lib/mock/dist-an23-build-492606-74553/root/chroot_tmpdir/scmroot/mtr'...
$ git fetch origin 3190fbb7d01dc99752bf69d13535083d13f7fefe:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/mtr
 * [new ref]         3190fbb7d01dc99752bf69d13535083d13f7fefe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3190fbb Update code from upstream