$ git clone -n https://gitee.com/wency_cn/python-pynacl.git /var/lib/mock/dist-an23-build-493906-74562/root/chroot_tmpdir/scmroot/python-pynacl
Cloning into '/var/lib/mock/dist-an23-build-493906-74562/root/chroot_tmpdir/scmroot/python-pynacl'...
$ git fetch origin c32df051a62ffaced72c2eac1619e5f3a4dc0efe:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-pynacl
 * [new ref]         c32df051a62ffaced72c2eac1619e5f3a4dc0efe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c32df05 Update code from upstream