$ git clone -n https://src.fedoraproject.org/rpms/fflas-ffpack.git /var/lib/mock/f42-build-886096-187128/root/chroot_tmpdir/scmroot/fflas-ffpack
Cloning into '/var/lib/mock/f42-build-886096-187128/root/chroot_tmpdir/scmroot/fflas-ffpack'...
$ git fetch origin 07f3ef2c655a335387e7ea200e5a505cc7a978d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fflas-ffpack
 * [new ref]         07f3ef2c655a335387e7ea200e5a505cc7a978d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07f3ef2 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild