$ git clone -n https://src.fedoraproject.org/rpms/jblas.git /var/lib/mock/f40-build-2291990-56091/root/chroot_tmpdir/scmroot/jblas
Cloning into '/var/lib/mock/f40-build-2291990-56091/root/chroot_tmpdir/scmroot/jblas'...
$ git fetch origin 59916e03906d12ba6b80d8dd8e322cff7344aac5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jblas
 * [new ref]         59916e03906d12ba6b80d8dd8e322cff7344aac5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59916e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild