shell.nix

let

rOverlay = rself: rsuper: {
  myR = rsuper.rWrapper.override {
    packages = with rsuper.rPackages; [
      ggplot2
      dplyr
      xts
      purrr
    ];
  };
};

haskellOverlay = hself: hsuper: {
  inline-r = hself.haskell.lib.dontCheck (hsuper.haskellPackages.inline-r);
};

in

let
  pkgs = import <nixpkgs> { overlays = [ rOverlay haskellOverlay ]; };

in
  pkgs.mkShell {
    buildInputs = [
      pkgs.myR
      (pkgs.haskellPackages.ghcWithPackages (p: [ p.inline-r ]))
    ];
  }