shell.nix

let
  config = {
    packageOverrides = pkgs: {
      rstudio = nixos.pkgs.libsForQt5.callPackage <unstable/pkgs/applications/editors/rstudio> { };
    };
  };
  unstable = import <unstable> { config = config;}; #gotta use stable till qt is fixed
  nixos = import <nixos> { };
  pkgs = nixos.pkgs;
  stdenv = pkgs.stdenv;

        latex = (with unstable.pkgs; [ texlive.combined.scheme-full biber ]) ++ (with pkgs; [ lyx texstudio ]);

        rpackages = with pkgs.rPackages; [
                rstan # so im not actually sure if this and cmdstan are basically completely separate?
                ggplot2
                knitr

                gWidgets
                gWidgetsRGtk2

#               tikzDevice #got latest from git via remotes:: in rstudio, TODO
                png
                filehash

                RSQLite
                ];
        rstudio = nixos.callPackage <unstable/pkgs/development/r-modules/wrapper-rstudio.nix> {
                packages = rpackages;
                #cannibalizing the call from all-packages to mix versions
                recommendedPackages = with pkgs.rPackages; [ boot class cluster codetools foreign KernSmooth lattice MASS Matrix mgcv nlme nnet rpart spatial survival ];
                };
        r = pkgs.rWrapper.override { packages = rpackages; };

        statistics = [(with pkgs; cmdstan)] ++ [ r rstudio ];
        bibliography = [(with pkgs; jabref)];

        dmmpython = pkgs.python27.withPackages (ps: with ps; [ numpy pyusb matplotlib ]);
        python36 = pkgs.python36.withPackages (ps: with ps; [ ipython ]);
        python = [ python36 dmmpython ];
in
stdenv.mkDerivation rec {
        name = "lab-env-${version}";
        version = "0.1";
        enableParallelBuilding = true; # does this apply recursively?
        build-cores = 0; # 0 means auto

        buildInputs = latex ++ statistics ++ bibliography ++ python;
        }