$ git clone -n https://gitee.com/wenyuzifang/mtr.git /var/lib/mock/dist-an23-build-462800-73799/root/chroot_tmpdir/scmroot/mtr
Cloning into '/var/lib/mock/dist-an23-build-462800-73799/root/chroot_tmpdir/scmroot/mtr'...
$ git fetch origin ba6922312fc80d375b1a215e4afe7eac5bb9bc17:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/mtr
 * [new ref]         ba6922312fc80d375b1a215e4afe7eac5bb9bc17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba69223 Update code from upstream