$ git clone -n https://src.fedoraproject.org/rpms/fflas-ffpack.git /var/lib/mock/f40-build-2663787-67023/root/chroot_tmpdir/scmroot/fflas-ffpack
Cloning into '/var/lib/mock/f40-build-2663787-67023/root/chroot_tmpdir/scmroot/fflas-ffpack'...
$ git fetch origin ea78ad31b1ef70db028288a6e5d54ed40b0eb23e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fflas-ffpack
 * [new ref]         ea78ad31b1ef70db028288a6e5d54ed40b0eb23e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ea78ad3 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild