Update zig devShell

flake.lock

@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "flake-utils": {
+      "locked": {
+        "lastModified": 1631561581,
+        "narHash": "sha256-3VQMV5zvxaVLvqqUrNz3iJelLw30mIVSfZmAaauM3dA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "7e5bf3925f6fbdfaf50a2a7ca0be2879c4261d19",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1633296426,
@@ -16,6 +31,7 @@
     },
     "root": {
       "inputs": {
+        "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs"
       }
     }

flake.nix

@@ -1,18 +1,23 @@
 {
   description = "dotfiles";
 
-  outputs = { self, nixpkgs }:
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
       let
         pkgs = import nixpkgs
           {
-          system = "x86_64-linux";
+            system = system;
             config = {
               allowUnfree = true;
             };
           };
       in
       {
-      packages.x86_64-linux.lutris = pkgs.lutris;
+        packages.lutris = pkgs.lutris;
+
+        devShells.zig = import ./nix/zig.nix { pkgs = pkgs; };
 
         nixosConfigurations = {
           dustbowl = nixpkgs.lib.nixosSystem {
@@ -20,5 +25,5 @@
             modules = [ ./nixos/dustbowl.nix ];
           };
         };
-    };
+      });
 }

nix/zig.nix

@@ -1,22 +1,13 @@
-{ pkgs ? import <nixpkgs> {} }:
+{ pkgs }:
 
-pkgs.stdenv.mkDerivation rec {
-  version = "master";
-  pname = "zig";
-
-  src = ./.;
-
-  hardeningDisable = [ "all" ];
-  nativeBuildInputs = with pkgs; [ cmake ninja ];
+pkgs.mkShell {
   buildInputs = with pkgs; [
-    llvmPackages_12.clang-unwrapped
-    llvmPackages_12.llvm
-    llvmPackages_12.lld
+    cmake
+    ninja
+    llvmPackages_13.clang-unwrapped
+    llvmPackages_13.llvm
+    llvmPackages_13.lld
     libxml2
     zlib
   ];
-
-  preBuild = ''
-    export HOME=$TMPDIR;
-  '';
 }