$ git clone -n https://src.fedoraproject.org/rpms/R-scales.git /var/lib/mock/f40-build-2270417-54814/root/chroot_tmpdir/scmroot/R-scales
Cloning into '/var/lib/mock/f40-build-2270417-54814/root/chroot_tmpdir/scmroot/R-scales'...
$ git fetch origin 81032bf969a9b6878f0aacc0169cd18130f7b22a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-scales
 * [new ref]         81032bf969a9b6878f0aacc0169cd18130f7b22a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 81032bf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild