$ git clone -n https://src.fedoraproject.org/rpms/R-data.table.git /var/lib/mock/f33-build-317769-57820/root/chroot_tmpdir/scmroot/R-data.table
Cloning into '/var/lib/mock/f33-build-317769-57820/root/chroot_tmpdir/scmroot/R-data.table'...
$ git reset --hard af16b333be50987492156553413e97a9197851e1
HEAD is now at af16b33 disable checks that are failing in R 4.0 (bug in R)