$ git clone -n https://gitee.com/wenyuzifang/dwz.git /var/lib/mock/dist-an23-build-485068-74348/root/chroot_tmpdir/scmroot/dwz
Cloning into '/var/lib/mock/dist-an23-build-485068-74348/root/chroot_tmpdir/scmroot/dwz'...
$ git fetch origin df15bca3217c6c62792585f480eac9dc4c5933c4:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/dwz
 * [new ref]         df15bca3217c6c62792585f480eac9dc4c5933c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df15bca Update code from upstream