$ git clone -n https://src.fedoraproject.org/rpms/R-polynom.git /var/lib/mock/f37-build-side-32-misc-devel-346929-15533/root/chroot_tmpdir/scmroot/R-polynom
Cloning into '/var/lib/mock/f37-build-side-32-misc-devel-346929-15533/root/chroot_tmpdir/scmroot/R-polynom'...
$ git reset --hard 391f236aa4e6aa676e805b40397f34d73d79b5d5
HEAD is now at 391f236 update to 1.4-1, rebuild for R 4.2.1