$ git clone -n https://src.fedoraproject.org/rpms/json-fortran.git /var/lib/mock/f40-build-802633-144055/root/chroot_tmpdir/scmroot/json-fortran
Cloning into '/var/lib/mock/f40-build-802633-144055/root/chroot_tmpdir/scmroot/json-fortran'...
$ git fetch origin 87c84aeb42326f9ed3867574bc3309df16ab4d0a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/json-fortran
 * [new ref]         87c84aeb42326f9ed3867574bc3309df16ab4d0a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87c84ae Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild