$ git clone -n https://gitee.com/wency_cn/Judy.git /var/lib/mock/dist-an23-build-501925-74783/root/chroot_tmpdir/scmroot/Judy
Cloning into '/var/lib/mock/dist-an23-build-501925-74783/root/chroot_tmpdir/scmroot/Judy'...
$ git fetch origin c010c9fdb4d361366ceeb721dbce08926cbc6159:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/Judy
 * [new ref]         c010c9fdb4d361366ceeb721dbce08926cbc6159 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c010c9f Update code from upstream