zig compiler and linked zls from nix

flake.nix

@@ -0,0 +1,26 @@
+{
+  description = "Zig Master Development Environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    zig-overlay.url = "github:mitchellh/zig-overlay";
+    zls-overlay.url = "github:zigtools/zls";
+  };
+
+  outputs = { self, nixpkgs, zig-overlay, zls-overlay, ... }:
+    let
+      system = "x86_64-linux";
+      pkgs = nixpkgs.legacyPackages.${system};
+      zig = zig-overlay.packages.${system}.master;
+      zls = zls-overlay.packages.${system}.zls;
+    in {
+      devShells.${system}.default = pkgs.mkShell {
+        buildInputs = [ zig zls ];
+        shellHook = ''
+          echo "Entering Zig Master Environment"
+          echo "Zig: $(zig version)"
+          echo "ZLS: $(zls --version)"
+        '';
+      };
+    };
+}