default.nix

default.nix

let
  pkgs = import <nixpkgs> {};
  ghc = pkgs.ghc.ghc783;
  myCabal = pkgs.haskellPackages.cabal.override {
      extension = self : super : {
        self.hyperlinkSource = false;
      };
  };
  hsEnv = pkgs.haskellPackages.ghcWithPackages (hsPkgs : ([
    myCabal
    hsPkgs.happy_1_19_4
    hsPkgs.alex_3_1_3
    hsPkgs.cabalInstall_1_20_0_3
    hsPkgs.hlint
    ]));

in pkgs.stdenv.mkDerivation rec {
  name = "snap-compat";
  buildInputs = with pkgs; [
    binutils
    git
    autoconf
    ack
    libtool
    automake
    gmp
    m4
    openssh
    coreutils
    which
    less
    perl
    python
    ghc
    hsEnv
  ];
  shellHook = ''
    export NIX_ENV=1
    source /Users/adinapoli/bin/git-completion.bash
    alias e=/usr/local/bin/emacs
    alias vi=/usr/local/bin/vim
    alias ghci-dev="./inplace/bin/ghc-stage2 --interactive"
    alias ghc-dev=./inplace/bin/ghc-stage2
    export PATH=$PATH:${builtins.getEnv "HOME"}/.cabal/bin
    export PATH=$PATH:./.cabal-sandbox/bin
    export PATH=$PATH:/Users/adinapoli/bin
    # For libgmp.dylib
    export DYLD_LIBRARY_PATH=/usr/local/Cellar/openssl/1.0.1f/lib/engines
  '';
  extraCmds = ''
      export NIX_ENV=1
      alias e=/usr/local/bin/emacs
      export PATH=$PATH:${builtins.getEnv "HOME"}/.cabal/bin
      export PATH=$PATH:./.cabal-sandbox/bin
      $(grep export ${hsEnv.outPath}/bin/ghc)
  '';
}

Does this currently work? I'm also interested in getting 7.8.3 running.