$ git clone -n https://gitee.com/mgb01105731/python-dns_2.git /var/lib/mock/dist-an23-build-364282-71232/root/chroot_tmpdir/scmroot/python-dns_2
Cloning into '/var/lib/mock/dist-an23-build-364282-71232/root/chroot_tmpdir/scmroot/python-dns_2'...
$ git fetch origin a23.0:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/python-dns_2
 * [new branch]      a23.0      -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f11975d update to 2.6.1