$ git clone -n https://src.fedoraproject.org/rpms/R-rhub /var/lib/mock/f41-build-side-1-3149564-40453/root/chroot_tmpdir/scmroot/R-rhub
Cloning into '/var/lib/mock/f41-build-side-1-3149564-40453/root/chroot_tmpdir/scmroot/R-rhub'...
$ git fetch origin 7845aa1ec0e9e2d6a033bd3fa17e0215221d74f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-rhub
 * [new ref]         7845aa1ec0e9e2d6a033bd3fa17e0215221d74f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7845aa1 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild