$ git clone -n https://src.fedoraproject.org/rpms/R-haven.git /var/lib/mock/f41-build-820914-152384/root/chroot_tmpdir/scmroot/R-haven
Cloning into '/var/lib/mock/f41-build-820914-152384/root/chroot_tmpdir/scmroot/R-haven'...
$ git fetch origin 56072352f0ccba57bdb3a1ba024d55602993b911:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-haven
 * [new ref]         56072352f0ccba57bdb3a1ba024d55602993b911 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5607235 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild