$ git clone -n https://gitee.com/wenyuzifang/dwarves.git /var/lib/mock/dist-an23-build-462289-73799/root/chroot_tmpdir/scmroot/dwarves
Cloning into '/var/lib/mock/dist-an23-build-462289-73799/root/chroot_tmpdir/scmroot/dwarves'...
$ git fetch origin d2cc48e82f1c7668ae02b461f8e7ca1eda083194:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/dwarves
 * [new ref]         d2cc48e82f1c7668ae02b461f8e7ca1eda083194 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2cc48e Update code from upstream