$ git clone -n https://gitee.com/wenyuzifang/dwarves.git /var/lib/mock/dist-an23-build-480452-74252/root/chroot_tmpdir/scmroot/dwarves
Cloning into '/var/lib/mock/dist-an23-build-480452-74252/root/chroot_tmpdir/scmroot/dwarves'...
$ git fetch origin eb699f0b2b6ffada296e2eac5ae671804f0e145d:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/dwarves
 * [new ref]         eb699f0b2b6ffada296e2eac5ae671804f0e145d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb699f0 Update code from upstream