$ git clone -n https://src.fedoraproject.org/rpms/python-jplephem.git /var/lib/mock/f45-build-31224-651/root/chroot_tmpdir/scmroot/python-jplephem
Cloning into '/var/lib/mock/f45-build-31224-651/root/chroot_tmpdir/scmroot/python-jplephem'...
$ git fetch origin 05bd0edfa9c27ea8a5a553097c35d52019395322:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jplephem
 * [new ref]         05bd0edfa9c27ea8a5a553097c35d52019395322 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 05bd0ed Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild