{ config, pkgs, home, ... }:

with import <nixpkgs> {};
with lib;

let
  emacsHEAD = import ./emacs.nix;
  all-hies = import (fetchTarball "https://github.com/infinisil/all-hies/tarball/master") {};
  unstableTarball = fetchTarball https://github.com/NixOS/nixpkgs-channels/archive/nixos-unstable.tar.gz;
in
{
  nixpkgs.config = {
    allowUnfree = true;
    allowBroken = true;
    packageOverrides = pkgs: {
      unstable = import unstableTarball {
        config = config.nixpkgs.config;
      };
      haskellPackages = (import unstableTarball {
        config = config.nixpkgs.config;
      }).haskell.packages.ghc881;
    };
  };

  home = {
    packages = with pkgs; [
      unstable.haskell.compiler.ghc881
    ];
  };

  programs = {
    # Let Home Manager install and manage itself.
    home-manager.enable = true;
  };


}