$ git clone -n https://src.fedoraproject.org/rpms/libspf2.git /var/lib/mock/f40-build-785888-134133/root/chroot_tmpdir/scmroot/libspf2
Cloning into '/var/lib/mock/f40-build-785888-134133/root/chroot_tmpdir/scmroot/libspf2'...
$ git fetch origin 48492caeb7fc0e77f7d5baa3861e0a709b05be0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libspf2
 * [new ref]         48492caeb7fc0e77f7d5baa3861e0a709b05be0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48492ca Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild