$ git clone -n https://src.fedoraproject.org/rpms/R-tweenr.git /var/lib/mock/f40-build-789237-135688/root/chroot_tmpdir/scmroot/R-tweenr
Cloning into '/var/lib/mock/f40-build-789237-135688/root/chroot_tmpdir/scmroot/R-tweenr'...
$ git fetch origin 23d2f15e902d535ea21145b65f57b51c67b67fc3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-tweenr
 * [new ref]         23d2f15e902d535ea21145b65f57b51c67b67fc3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23d2f15 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild