Support for aarch64

flake.nix

@@ -5,12 +5,20 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
   };
 
-  outputs = { self, nixpkgs }: 
+  outputs = { self, nixpkgs }:
     let
-      system = "x86_64-linux";
-      pkgs = import nixpkgs { inherit system; };
-      
-      buildCursor = { version, url, sha256 }: 
+      lib = nixpkgs.lib;
+      systems = [ "x86_64-linux" "aarch64-linux" ];
+      cursorRelease = import ./cursor-release.nix;
+
+      channelForSystem = {
+        x86_64-linux = "linux-x64";
+        aarch64-linux = "linux-arm64";
+      };
+
+      pkgsFor = system: import nixpkgs { inherit system; };
+
+      buildCursor = pkgs: { version, url, sha256 }:
         let
           src = pkgs.fetchurl { inherit url sha256; };
           
@@ -103,18 +111,22 @@
         };
     in
     {
-      packages.${system} = {
-        default = self.packages.${system}.cursor;
-        cursor = buildCursor {
-          version = "2.2.43";
-          url = "https://downloads.cursor.com/production/32cfbe848b35d9eb320980195985450f244b303d/linux/x64/Cursor-2.2.43-x86_64.AppImage";
-          sha256 = "1bgifjyscqymbz0srw8np9pc88gwcccic3z4cnydyfskxhnyj0sr";  # Will be updated by GitHub Actions
-        };
-      };
+      packages = lib.genAttrs systems (system:
+        let
+          pkgs = pkgsFor system;
+          version = cursorRelease.version;
+          channel = channelForSystem.${system} or (throw "Unsupported system: ${system}");
+          url = "https://api2.cursor.sh/updates/download/golden/${channel}/cursor/${version}";
+          sha256 = cursorRelease.sha256.${system} or "0000000000000000000000000000000000000000000000000000";
+        in
+        {
+          default = self.packages.${system}.cursor;
+          cursor = buildCursor pkgs { inherit version url sha256; };
+        });
 
       # Overlay for easy integration into other flakes
       overlays.default = final: prev: {
-        cursor = self.packages.${system}.cursor;
+        cursor = self.packages.${final.system}.cursor;
       };
     };
 }