stop using flake-utils

Author: codebam

flake.lock

@@ -1,23 +1,63 @@
 {
   inputs = {
-    utils.url = "github:numtide/flake-utils";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable"; # Or your preferred channel
+    # flake-utils is no longer an input
   };
-  outputs = { self, nixpkgs, utils }: utils.lib.eachDefaultSystem (system:
-    let
-      pkgs = nixpkgs.legacyPackages.${system};
-    in
-    {
-      devShell = pkgs.mkShell {
+
+  outputs = inputs @ { self, nixpkgs, ... }: let
+
+    forAllSystems = function:
+      nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "aarch64-linux"
+        # Add other systems like "x86_64-darwin", "aarch64-darwin" if you need them
+      ] (system:
+        function (import nixpkgs {
+          inherit system;
+          # overlays = [ ... ]; # You can add overlays here if needed
+          # config = { ... };   # Or pkgs configuration
+        }));
+
+  in rec { # 'rec' allows self-reference if needed, e.g., devShells = devShell;
+
+    # This will create devShell.x86_64-linux, devShell.aarch64-linux, etc.
+    # `nix develop` on a supported system (e.g., x86_64-linux) will pick up
+    # devShell.x86_64-linux automatically.
+    devShell = forAllSystems (pkgs: # pkgs for the current system is passed by forAllSystems
+      pkgs.mkShell {
+        name = "my-dev-environment"; # Optional: give your shell a name
         buildInputs = with pkgs; [
           efm-langserver
           nil
-          nodePackages_latest.nodejs
+          nodePackages_latest.nodejs   # Consider pinning like nodejs_20 or nodejs_latest
           nodePackages_latest.typescript-language-server
           nodePackages_latest.prettier
           vscode-langservers-extracted
           nodePackages_latest.bash-language-server
         ];
-      };
-    }
-  );
+        # You can add shell hooks or environment variables here too
+        # shellHook = ''
+        #   echo "Welcome to the development shell!"
+        #   export MY_VAR="hello"
+        # '';
+      }
+    );
+
+    # Optional: flake-utils often provides `devShells` as well,
+    # which is identical to `devShell` in this setup.
+    # This can be useful for clarity or if some tools expect `devShells.<system>`.
+    devShells = devShell;
+
+    # If you had other outputs like packages or apps, they would go here:
+    # packages = forAllSystems (pkgs: {
+    #   default = pkgs.hello; # Example
+    # });
+    #
+    # apps = forAllSystems (pkgs: {
+    #   default = {
+    #     type = "app";
+    #    program = "${self.packages.${pkgs.system}.default}/bin/hello";
+    #  };
+    # });
+  };
 }