$ git clone -n https://src.fedoraproject.org/rpms/R-maps.git /var/lib/mock/f41-build-821399-152534/root/chroot_tmpdir/scmroot/R-maps
Cloning into '/var/lib/mock/f41-build-821399-152534/root/chroot_tmpdir/scmroot/R-maps'...
$ git fetch origin 4e21377e36f6ad00ee7e74f59aea0352149f75df:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-maps
 * [new ref]         4e21377e36f6ad00ee7e74f59aea0352149f75df -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e21377 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild