$ git clone -n https://src.fedoraproject.org/rpms/octave-flexiblas.git /var/lib/mock/f40-build-2526131-61811/root/chroot_tmpdir/scmroot/octave-flexiblas
Cloning into '/var/lib/mock/f40-build-2526131-61811/root/chroot_tmpdir/scmroot/octave-flexiblas'...
$ git fetch origin 1d1dfbbf39a4252be2b16460d0ea24f8ea0d8ce5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/octave-flexiblas
 * [new ref]         1d1dfbbf39a4252be2b16460d0ea24f8ea0d8ce5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d1dfbb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild