$ git clone -n https://gitee.com/opencloudos-stream/python-dns.git /var/lib/mock/dist-ocs23-build-150922-9958/root/chroot_tmpdir/scmroot/python-dns
Cloning into '/var/lib/mock/dist-ocs23-build-150922-9958/root/chroot_tmpdir/scmroot/python-dns'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/python-dns
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 17ff375 !3 upgrade to 2.6.1 Merge pull request !3 from jiaxinyyang/master