$ git clone -n https://src.fedoraproject.org/rpms/hunspell-tet.git /var/lib/mock/f45-build-13740-454/root/chroot_tmpdir/scmroot/hunspell-tet
Cloning into '/var/lib/mock/f45-build-13740-454/root/chroot_tmpdir/scmroot/hunspell-tet'...
$ git fetch origin 6463c17f64f487f1f491c73affc27fe9d0cac8c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hunspell-tet
 * [new ref]         6463c17f64f487f1f491c73affc27fe9d0cac8c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6463c17 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild