$ git clone -n https://gitee.com/wency_cn/python-pynacl_1767787703.git /var/lib/mock/dist-an23-build-504908-74854/root/chroot_tmpdir/scmroot/python-pynacl_1767787703
Cloning into '/var/lib/mock/dist-an23-build-504908-74854/root/chroot_tmpdir/scmroot/python-pynacl_1767787703'...
$ git fetch origin 8a79d359fd6c6340c18e4ced3ab096be4b40c012:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/python-pynacl_1767787703
 * [new ref]         8a79d359fd6c6340c18e4ced3ab096be4b40c012 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a79d35 Update code from upstream