$ git clone -n https://src.fedoraproject.org/rpms/rpy.git /var/lib/mock/f33-build-560341-65784/root/chroot_tmpdir/scmroot/rpy
Cloning into '/var/lib/mock/f33-build-560341-65784/root/chroot_tmpdir/scmroot/rpy'...
$ git reset --hard 5b7275016fde282f357cf0e0226cdec4e860edef
HEAD is now at 5b72750 rebuild for R 4.0.4