$ git clone -n https://src.fedoraproject.org/rpms/python-pydispatcher.git /var/lib/mock/f45-build-32209-658/root/chroot_tmpdir/scmroot/python-pydispatcher
Cloning into '/var/lib/mock/f45-build-32209-658/root/chroot_tmpdir/scmroot/python-pydispatcher'...
$ git fetch origin a9fda8f579f3d6652111518462404726bef66ed0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pydispatcher
 * [new ref]         a9fda8f579f3d6652111518462404726bef66ed0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9fda8f Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild