$ git clone -n https://src.fedoraproject.org/rpms/R-cachem.git /var/lib/mock/f41-build-821693-152618/root/chroot_tmpdir/scmroot/R-cachem
Cloning into '/var/lib/mock/f41-build-821693-152618/root/chroot_tmpdir/scmroot/R-cachem'...
$ git fetch origin ed8e1e02d8d2953d3566759bac2d66e7c35e5f03:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-cachem
 * [new ref]         ed8e1e02d8d2953d3566759bac2d66e7c35e5f03 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ed8e1e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild