$ git clone -n https://gitee.com/wenyuzifang/prefixdevname.git /var/lib/mock/dist-an23-build-485602-74348/root/chroot_tmpdir/scmroot/prefixdevname
Cloning into '/var/lib/mock/dist-an23-build-485602-74348/root/chroot_tmpdir/scmroot/prefixdevname'...
$ git fetch origin f5cc2799b66df12520dabf845c15f16ee885ecd0:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/prefixdevname
 * [new ref]         f5cc2799b66df12520dabf845c15f16ee885ecd0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5cc279 Update code from upstream