$ git clone -n https://gitee.com/opencloudos-stream/python3-py3dns.git /var/lib/mock/dist-oc9-epol-build-95082-59594/root/chroot_tmpdir/scmroot/python3-py3dns
Cloning into '/var/lib/mock/dist-oc9-epol-build-95082-59594/root/chroot_tmpdir/scmroot/python3-py3dns'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/python3-py3dns
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 28d476e update