$ git clone -n https://gitee.com/hongwei-qin/mcstrans.git /var/lib/mock/dist-an23.3-build-415216-72844/root/chroot_tmpdir/scmroot/mcstrans
Cloning into '/var/lib/mock/dist-an23.3-build-415216-72844/root/chroot_tmpdir/scmroot/mcstrans'...
$ git fetch origin 20d5c86ec0301747e622f9a2781ce8064abd2786:KOJI_FETCH_HEAD
From https://gitee.com/hongwei-qin/mcstrans
 * [new ref]         20d5c86ec0301747e622f9a2781ce8064abd2786 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20d5c86 update to 3.8