$ git clone -n https://gitee.com/src-opencloudos-rpms/python-dns.git /var/lib/mock/dist-oc8-build-100615-64761/root/chroot_tmpdir/scmroot/python-dns
Cloning into '/var/lib/mock/dist-oc8-build-100615-64761/root/chroot_tmpdir/scmroot/python-dns'...
$ git fetch origin 6b2a66faa32e1d396f7c70502ec5a3631c5f4dfe:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/python-dns
 * [new ref]         6b2a66faa32e1d396f7c70502ec5a3631c5f4dfe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b2a66f import python-dns-1.15.0-12.tl3