Add homebrew

flake.lock

@@ -1,5 +1,22 @@
 {
   "nodes": {
+    "brew-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1753461463,
+        "narHash": "sha256-kGc7pRH0diLzKmOHsEFA8sZ9NJpgT+tqxAMsuqNd5Po=",
+        "owner": "Homebrew",
+        "repo": "brew",
+        "rev": "4d14be89e99a45181c18e96a5f19a5b43343cc0f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "Homebrew",
+        "ref": "4.5.13",
+        "repo": "brew",
+        "type": "github"
+      }
+    },
     "claude-code": {
       "inputs": {
         "flake-utils": "flake-utils",
@@ -167,6 +184,24 @@
         "type": "github"
       }
     },
+    "nix-homebrew": {
+      "inputs": {
+        "brew-src": "brew-src"
+      },
+      "locked": {
+        "lastModified": 1754250993,
+        "narHash": "sha256-MEin+qoQKtFC1b0f4tnQ+Z82BQWSCgh6Ef7rpmH9gig=",
+        "owner": "zhaofengli",
+        "repo": "nix-homebrew",
+        "rev": "314d057294e79bc2596972126b84c6f9f144499a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "zhaofengli",
+        "repo": "nix-homebrew",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1753432016,
@@ -251,6 +286,7 @@
         "firefox-addons": "firefox-addons",
         "home-manager": "home-manager",
         "nix-darwin": "nix-darwin",
+        "nix-homebrew": "nix-homebrew",
         "nixpkgs": "nixpkgs_2",
         "nixvim": "nixvim"
       }

flake.nix

@@ -14,9 +14,10 @@
       url = "gitlab:rycee/nur-expressions?dir=pkgs/firefox-addons";
       inputs.nixpkgs.follows = "nixpkgs";
     };
+    nix-homebrew.url = "github:zhaofengli/nix-homebrew";
   };
 
-  outputs = inputs@{ self, nix-darwin, nixpkgs, home-manager, nixvim, claude-code, firefox-addons }:
+  outputs = inputs@{ self, nix-darwin, nixpkgs, home-manager, nixvim, claude-code, firefox-addons, nix-homebrew }:
   let
     configuration = { pkgs, ... }: {
       imports = [
@@ -103,11 +104,17 @@
   in
   {
     darwinConfigurations."iMac" = nix-darwin.lib.darwinSystem {
-      modules = [ configuration ];
+      modules = [ 
+        configuration 
+        nix-homebrew.darwinModules.nix-homebrew
+      ];
     };
 
     darwinConfigurations."MacBook-Air" = nix-darwin.lib.darwinSystem {
-      modules = [ configuration ];
+      modules = [ 
+        configuration 
+        nix-homebrew.darwinModules.nix-homebrew
+      ];
     };
 
     homeConfigurations.yanlin = home-manager.lib.homeManagerConfiguration {

modules/homebrew.nix

@@ -0,0 +1,24 @@
+{ config, pkgs, ... }:
+
+{
+  # Homebrew configuration for package management
+  homebrew = {
+    enable = true;
+    onActivation = {
+      autoUpdate = true;
+      cleanup = "zap";    # Removes unlisted formulae/casks
+      upgrade = true;
+    };
+    brews = [
+      # Command-line tools go here
+      # Example: "wget"
+    ];
+    casks = [
+      # GUI applications go here  
+      # Example: "google-chrome"
+    ];
+    taps = [
+      # Additional repositories if needed
+    ];
+  };
+}

modules/nix-homebrew.nix

@@ -0,0 +1,11 @@
+{ config, pkgs, ... }:
+
+{
+  # nix-homebrew configuration for declarative Homebrew installation
+  nix-homebrew = {
+    enable = true;
+    enableRosetta = true;  # Apple Silicon support
+    user = "yanlin";
+    autoMigrate = true;    # Migrate existing Homebrew if present
+  };
+}

modules/zsh.nix

@@ -113,6 +113,8 @@ in
         
         app_path=$( (find -L /Applications -name "*.app" -maxdepth 2 2>/dev/null; \
                      find -L ~/Applications -name "*.app" -maxdepth 3 2>/dev/null; \
+                     find -L /opt/homebrew/Caskroom -name "*.app" -maxdepth 3 2>/dev/null; \
+                     find -L /usr/local/Caskroom -name "*.app" -maxdepth 3 2>/dev/null; \
                      find /System/Applications -name "*.app" -maxdepth 2 2>/dev/null; \
                      find /System/Applications/Utilities -name "*.app" -maxdepth 1 2>/dev/null) | 
           sort | uniq | 

system/macos-defaults.nix

@@ -1,6 +1,11 @@
 { config, pkgs, ... }:
 
 {
+  imports = [
+    ../modules/homebrew.nix
+    ../modules/nix-homebrew.nix
+  ];
+
   # Set primary user for system preferences
   system.primaryUser = "yanlin";