$ git clone -n https://src.fedoraproject.org/rpms/python-port-for.git /var/lib/mock/f45-build-32030-656/root/chroot_tmpdir/scmroot/python-port-for
Cloning into '/var/lib/mock/f45-build-32030-656/root/chroot_tmpdir/scmroot/python-port-for'...
$ git fetch origin d2a4ef7c126f9c7ea1e0d3dc33d7979cc37f8416:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-port-for
 * [new ref]         d2a4ef7c126f9c7ea1e0d3dc33d7979cc37f8416 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2a4ef7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild