Merge pull request #1 from adetokunbo/update-nix-dev-env

Updates the haskell.nix development pin

default.nix

@@ -13,5 +13,5 @@ in
  compiler-nix-name = "ghc928";
 
  # Specify the hackage index state
- index-state = "2023-07-20T00:00:00Z";
+ index-state = "2023-11-24T00:00:00Z";
 }

h8x.nix

@@ -1,6 +1,7 @@
 let
- # Pin haskell-nix to a recent (as of 2023/07/20) commit
- h8x-pin = "https://github.com/input-output-hk/haskell.nix/archive/3ae883bb7864ba85c3aab30f8f488b9a7d84afc8.tar.gz";
+ # Pin haskell-nix to a recent (as of 2023/11/24) commit
+ h8x-commit = "c6e3c91844e91f86cb64015258eed2ed8545d2a9";
+ h8x-pin = "https://github.com/input-output-hk/haskell.nix/archive/${h8x-commit}.tar.gz";
  h8x-src = builtins.fetchTarball h8x-pin;
  h8x = import h8x-src {};
 
@@ -11,7 +12,7 @@ in
  # hence you will be more likely to get cache hits when using these. But you
  # can also just use your own, e.g. '<nixpkgs>'.
 
- h8x.sources.nixpkgs-2305
+ h8x.sources.nixpkgs-unstable
 
  # These arguments passed to nixpkgs, include some patches and also the
  # haskell.nix functionality itself as an overlay.

shell.nix

@@ -12,7 +12,7 @@ in
  hlint = "latest"; # Selects the latest version in the hackage.nix snapshot
  haskell-language-server = "latest";
  ghcid = "latest";
- fourmolu = "latest";
+ fourmolu = "0.14.0.0";
  cabal-fmt = "latest";
  };
  # See overlays/tools.nix for more details