$ git clone -n https://src.fedoraproject.org/rpms/R-matrixStats.git /var/lib/mock/f41-build-820974-152402/root/chroot_tmpdir/scmroot/R-matrixStats
Cloning into '/var/lib/mock/f41-build-820974-152402/root/chroot_tmpdir/scmroot/R-matrixStats'...
$ git fetch origin 5819f82712899bebbc0b7d8afe4ca02d91f0ae6b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-matrixStats
 * [new ref]         5819f82712899bebbc0b7d8afe4ca02d91f0ae6b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5819f82 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild