$ git clone -n https://src.fedoraproject.org/rpms/python3-py3dns.git /var/lib/mock/f45-build-33838-674/root/chroot_tmpdir/scmroot/python3-py3dns
Cloning into '/var/lib/mock/f45-build-33838-674/root/chroot_tmpdir/scmroot/python3-py3dns'...
$ git fetch origin 74bb1106929329d2f581df04aefa12f059e08853:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python3-py3dns
 * [new ref]         74bb1106929329d2f581df04aefa12f059e08853 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 74bb110 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild