$ git clone -n https://src.fedoraproject.org/rpms/python-dns.git /var/lib/mock/f45-build-30436-644/root/chroot_tmpdir/scmroot/python-dns
Cloning into '/var/lib/mock/f45-build-30436-644/root/chroot_tmpdir/scmroot/python-dns'...
$ git fetch origin 934b1907282243a5d1fd1cc03229e26df466d727:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-dns
 * [new ref]         934b1907282243a5d1fd1cc03229e26df466d727 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 934b190 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild