$ git clone -n https://gitee.com/wency_cn/python-pynacl.git /var/lib/mock/dist-an23-build-507589-74937/root/chroot_tmpdir/scmroot/python-pynacl
Cloning into '/var/lib/mock/dist-an23-build-507589-74937/root/chroot_tmpdir/scmroot/python-pynacl'...
$ git fetch origin 609f15ed65ee7cea98daa8d5128cfe8759e97a55:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-pynacl
 * [new ref]         609f15ed65ee7cea98daa8d5128cfe8759e97a55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 609f15e Update code from upstream