Update flake

nix/flake.lock

@@ -7,11 +7,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1712212014,
-        "narHash": "sha256-s+lbaf3nLRn1++/X2eXwY9mYCA/m9l8AvyG8beeOaXE=",
+        "lastModified": 1715930644,
+        "narHash": "sha256-W9pyM3/vePxrffHtzlJI6lDS3seANQ+Nqp+i58O46LI=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "7e91f2a0ba4b62b88591279d54f741a13e36245b",
+        "rev": "e3ad5108f54177e6520535768ddbf1e6af54b59d",
         "type": "github"
       },
       "original": {
@@ -20,13 +20,33 @@
         "type": "github"
       }
     },
+    "nix-darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1715901937,
+        "narHash": "sha256-eMyvWP56ZOdraC2IOvZo0/RTDcrrsqJ0oJWDC76JTak=",
+        "owner": "LnL7",
+        "repo": "nix-darwin",
+        "rev": "ffc01182f90118119930bdfc528c1ee9a39ecef8",
+        "type": "github"
+      },
+      "original": {
+        "owner": "LnL7",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712163089,
-        "narHash": "sha256-Um+8kTIrC19vD4/lUCN9/cU9kcOsD1O1m+axJqQPyMM=",
+        "lastModified": 1715787315,
+        "narHash": "sha256-cYApT0NXJfqBkKcci7D9Kr4CBYZKOQKDYA23q8XNuWg=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "fd281bd6b7d3e32ddfa399853946f782553163b5",
+        "rev": "33d1e753c82ffc557b4a585c77de43d4c922ebb5",
         "type": "github"
       },
       "original": {
@@ -39,6 +59,7 @@
     "root": {
       "inputs": {
         "home-manager": "home-manager",
+        "nix-darwin": "nix-darwin",
         "nixpkgs": "nixpkgs"
       }
     }

nix/flake.nix

@@ -3,17 +3,53 @@
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nix-darwin.url = "github:LnL7/nix-darwin";
+    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
     home-manager = {
       url = "github:nix-community/home-manager";
       inputs.nixpkgs.follows = "nixpkgs";
     };
   };
 
-  outputs = { nixpkgs, home-manager, ... }:
+  outputs = { self, nix-darwin, nixpkgs, home-manager, ... }:
     let
       system = "x86_64-darwin";
       pkgs = nixpkgs.legacyPackages.${system};
+
+      configuration = { pkgs, ... }: {
+        environment.systemPackages =
+          [
+            pkgs.vim
+          ];
+
+        # Auto upgrade nix package and the daemon service.
+        services.nix-daemon.enable = true;
+        # nix.package = pkgs.nix;
+
+        nix.settings.experimental-features = "nix-command flakes";
+
+        programs.zsh.enable = true;  # default shell on catalina
+
+        # Set Git commit hash for darwin-version.
+        system.configurationRevision = self.rev or self.dirtyRev or null;
+
+        # Used for backwards compatibility, please read the changelog before changing.
+        # $ darwin-rebuild changelog
+        system.stateVersion = 4;
+
+        # The platform the configuration will be used on.
+        nixpkgs.hostPlatform = system;
+      };
     in {
+      # Build darwin flake using:
+      # $ darwin-rebuild build --flake .#Martins-MacBook-Pro
+      darwinConfigurations."Martins-MacBook-Pro" = nix-darwin.lib.darwinSystem {
+        modules = [ configuration ];
+      };
+
+      # Expose the package set, including overlays, for convenience.
+      darwinPackages = self.darwinConfigurations."Martins-MacBook-Pro".pkgs;
+
       homeConfigurations = { 
         "moustachioed" = home-manager.lib.homeManagerConfiguration {
           inherit pkgs;