# { nixpkgs ? import <nixpkgs> {} }:

# let

# sources = {

# haskellNix = builtins.fetchTarball "https://github.com/input-output-hk/haskell.nix/archive/master.tar.gz";

# };

# haskellNix = import sources.haskellNix {};

# # Import nixpkgs and pass the haskell.nix provided nixpkgsArgs

# pkgs = import haskellNix.sources.nixpkgs haskellNix.nixpkgsArgs;

# in pkgs.haskell-nix.project {

# src = pkgs.haskell-nix.haskellLib.cleanGit {

# name = "tla-transmutation";

# src = ./.;

# };

# compiler-nix-name = "ghc8102";

# }

{ nixpkgs ? import <nixpkgs> {} }:

let

inherit (nixpkgs) pkgs;

inherit (pkgs) haskellPackages;

haskellDeps = ps: with ps; [

base

aeson

casing

extra

];

ghc = haskellPackages.ghcWithPackages haskellDeps;

nixPackages = [

ghc

nixpkgs.haskellPackages.haskell-language-server

nixpkgs.haskellPackages.hlint

nixpkgs.haskellPackages.apply-refact

nixpkgs.haskellPackages.hoogle

nixpkgs.haskellPackages.hindent

nixpkgs.haskellPackages.hasktags

nixpkgs.haskellPackages.happy

nixpkgs.haskellPackages.stylish-haskell

];

in

pkgs.stdenv.mkDerivation {

name = "env";

buildInputs = nixPackages;

}