depot/third_party/nixpkgs/pkgs/development/r-modules/wrapper.nix

{ symlinkJoin, R, makeWrapper, recommendedPackages, packages }:
symlinkJoin {
  name = R.name + "-wrapper";
  preferLocalBuild = true;
  allowSubstitutes = false;

  buildInputs = [R] ++ recommendedPackages ++ packages;
  paths = [ R ];

  nativeBuildInputs = [makeWrapper];

  postBuild = ''
    cd ${R}/bin
    for exe in *; do
      rm "$out/bin/$exe"

      makeWrapper "${R}/bin/$exe" "$out/bin/$exe" \
        --prefix "R_LIBS_SITE" ":" "$R_LIBS_SITE"
    done
  '';

  # Make the list of recommended R packages accessible to other packages such as rpy2
  passthru = { inherit recommendedPackages; };

    meta = R.meta // {
      # To prevent builds on hydra
      hydraPlatforms = [];
      # prefer wrapper over the package
      priority = (R.meta.priority or 0) - 1;
    };
}