$ git clone -n https://src.fedoraproject.org/rpms/gnurobbo.git /var/lib/mock/f40-build-792726-138594/root/chroot_tmpdir/scmroot/gnurobbo
Cloning into '/var/lib/mock/f40-build-792726-138594/root/chroot_tmpdir/scmroot/gnurobbo'...
$ git fetch origin d7135860f8ecc723c3130515ce02573f3d4a87ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnurobbo
 * [new ref]         d7135860f8ecc723c3130515ce02573f3d4a87ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d713586 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild