$ git clone -n https://gitee.com/wenyuzifang/mtr.git /var/lib/mock/dist-an23-build-469835-74027/root/chroot_tmpdir/scmroot/mtr
Cloning into '/var/lib/mock/dist-an23-build-469835-74027/root/chroot_tmpdir/scmroot/mtr'...
$ git fetch origin 13c4be7bac258a14091ee2f77684101299edb496:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/mtr
 * [new ref]         13c4be7bac258a14091ee2f77684101299edb496 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13c4be7 Update code from upstream