feat: migrate to ags v3

flake.nix

@@ -1,11 +1,9 @@
 {
   description = "tux's widgets for wayland";
+
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
-    astal = {
-      url = "github:aylur/astal";
-      inputs.nixpkgs.follows = "nixpkgs";
-    };
+
     ags = {
       url = "github:aylur/ags";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -15,29 +13,54 @@
   outputs = {
     self,
     nixpkgs,
-    astal,
     ags,
   }: let
     system = "x86_64-linux";
     pkgs = nixpkgs.legacyPackages.${system};
+    pname = "tpanel";
+    entry = "app.ts";
+
+    agsPackages = with ags.packages.${system}; [
+      io
+      astal4
+      hyprland
+      apps
+      battery
+      tray
+      network
+      notifd
+    ];
+
+    extraPackages =
+      agsPackages
+      ++ [
+        pkgs.libadwaita
+      ];
   in {
     packages.${system} = {
       default = let
-        tpanel = ags.lib.bundle {
-          inherit pkgs;
+        tpanel = pkgs.stdenv.mkDerivation {
+          name = pname;
           src = ./.;
-          name = "tpanel";
-          entry = "app.ts";
-          gtk4 = true;
 
-          extraPackages = with ags.packages.${system}; [
-            hyprland
-            apps
-            battery
-            tray
-            network
-            notifd
+          nativeBuildInputs = with pkgs; [
+            wrapGAppsHook
+            gobject-introspection
+            ags.packages.${system}.default
           ];
+
+          buildInputs = extraPackages ++ [pkgs.gjs];
+
+          installPhase = ''
+            runHook preInstall
+
+            mkdir -p $out/bin
+            mkdir -p $out/share
+            cp -r * $out/share
+            ags bundle ${entry} $out/bin/${pname} -d "SRC='$out/share'"
+
+            runHook postInstall
+          '';
         };
       in
         pkgs.runCommand "tpanel" {
@@ -67,7 +90,7 @@
 
         '';
 
-      astal = astal.packages.${system};
+      ags = ags.packages.${system};
     };
 
     apps.default = {
@@ -77,20 +100,9 @@
 
     devShells.${system} = {
       default = pkgs.mkShell {
-        nativeBuildInputs = [
-          astal.packages.${system}.default
-        ];
         buildInputs = [
-          # includes astal3 astal4 astal-io by default
           (ags.packages.${system}.default.override {
-            extraPackages = with ags.packages.${system}; [
-              hyprland
-              apps
-              battery
-              tray
-              network
-              notifd
-            ];
+            inherit extraPackages;
           })
         ];
       };