default.nix

{ nixpkgs ? import ../nix/nixpkgs-overlayed.nix }:

let

  common = import ../common { inherit nixpkgs; };
  frontend = import ../frontend { inherit nixpkgs; };
  r = import ../nix/r { inherit nixpkgs; };

  overrides = drv: {
    buildInputs = drv.buildInputs ++ [r];
  };

  backend = nixpkgs.pkgs.haskellPackages.callCabal2nix
    "backend" ./. { common = common; };

  app = (nixpkgs.haskell.lib.dontHaddock backend)
    .overrideAttrs overrides;

in

  app