From 32463ad6aa309b62cbb145c147a61c619af0e5f3 Mon Sep 17 00:00:00 2001
From: mark <mark@betalupi.com>
Date: Thu, 21 Sep 2023 20:52:35 -0700
Subject: [PATCH] Updated shell.nix

---
 shell.nix | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/shell.nix b/shell.nix
index dff6d69..98d2bc8 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,11 +1,22 @@
+{ nixpkgs ? import <nixpkgs> { }}:
 let
- pkgs = import (fetchTarball "https://github.com/NixOS/nixpkgs/archive/f155f0cf4ea43c4e3c8918d2d327d44777b6cad4.tar.gz") {};
+  # If you set hash to an empty string, you'll get
+  # an error with the correct hash.
+  pinnedPkgs = nixpkgs.fetchFromGitHub {
+    owner  = "NixOS";
+    repo   = "nixpkgs";
+    rev    = "4ecab3273592f27479a583fb6d975d4aba3486fe";
+    sha256 = "btHN1czJ6rzteeCuE/PNrdssqYD2nIA4w48miQAFloM=";
+  };
+  pkgs = import pinnedPkgs {};
+
 in pkgs.mkShell {
   buildInputs = with pkgs; [
     cargo
     rustc
     rustfmt
-    m4
+    rust-analyzer
+    wasm-pack
    ];
 }