$ git clone -n https://src.fedoraproject.org/rpms/pari-elldata.git /var/lib/mock/f45-build-21379-584/root/chroot_tmpdir/scmroot/pari-elldata
Cloning into '/var/lib/mock/f45-build-21379-584/root/chroot_tmpdir/scmroot/pari-elldata'...
$ git fetch origin d332183e166c80c1273db983105f7036bf4f3e3a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pari-elldata
 * [new ref]         d332183e166c80c1273db983105f7036bf4f3e3a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d332183 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild