default.nix

{ pkgs ? import (import ./fetch-nixpkgs.nix) {} }:

with pkgs.haskell.lib;

((import ./stack2nix.nix { inherit pkgs; }).override {
  overrides = self: super: {
    # TODO: separate out output
    stack2nix = justStaticExecutables (overrideCabal super.stack2nix (old: {
        src = builtins.path {
            name = "stack2nix";
            path = ./.;
            # Filter hidden dirs (.), e.g. .git and .stack-work
            # TODO Remove once https://github.com/input-output-hk/stack2nix/issues/119 is done
            filter = path: type:
                !(pkgs.lib.hasPrefix "." (baseNameOf path))
                && baseNameOf path != "stack.yaml";
        };
    }));

    # https://github.com/commercialhaskell/lts-haskell/issues/149
    stack = doJailbreak super.stack;

    # needed until we upgrade to 18.09
    yaml = disableCabalFlag super.yaml "system-libyaml";

    # https://github.com/NixOS/cabal2nix/issues/146
    hinotify = if pkgs.stdenv.isDarwin then self.hfsevents else super.hinotify;
  };
}).stack2nix