$ git clone -n https://gitee.com/wenyuzifang/mcstrans.git /var/lib/mock/dist-an23-build-462722-73799/root/chroot_tmpdir/scmroot/mcstrans
Cloning into '/var/lib/mock/dist-an23-build-462722-73799/root/chroot_tmpdir/scmroot/mcstrans'...
$ git fetch origin 4f73c1c183dbd4247ec20ab0eb7d788d8f7d10d0:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/mcstrans
 * [new ref]         4f73c1c183dbd4247ec20ab0eb7d788d8f7d10d0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f73c1c Update code from upstream