iqubic.nix

let
  overlay = self: super: {
    haskellPackages = with self.haskell.lib; super.haskellPackages.override (old: {
      overrides = self.lib.composeExtensions (old.overrides or (_: _: {})) (hself: hsuper: {
        advent-of-code-api = hself.callHackageDirect {
          pkg = "advent-of-code-api" ;
          ver = "0.2.7.1";
          sha256 = "1j4swkv1b0px3mdpf1akh06pdlz3rwp9gwzmcb8zrbgw0f7zgp7f";
        } {};
      });
    });
  };
in
{ pkgs ? import <nixpkgs> { overlays = [overlay]; } }:
pkgs.haskellPackages.callCabal2nix "aoc" ~/scratch/aoc {}