feat: initial macos setup

home/modules/ghostty.nix

@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ pkgs, lib, isDarwin, ... }:
 let
   baseKeybinds = [
     "ctrl+t=new_tab"
@@ -16,7 +16,10 @@ in
 {
   programs.ghostty = {
     enable = true;
-    
+    # nixpkgs `ghostty` is the Linux/GTK build (Linux-only meta.platforms).
+    # On macOS use `ghostty-bin`, the repackaged official .dmg.
+    package = if isDarwin then pkgs.ghostty-bin else pkgs.ghostty;    
+
     settings = {
       # Font Settings
       "font-family" = "Roboto Mono";
@@ -93,8 +96,8 @@ in
 
       # Keybindings (Tabs & Splits)
       "keybind" = baseKeybinds
-        ++ lib.optionals pkgs.stdenv.isDarwin [ "super+d=unbind" ];
-    } // lib.optionalAttrs pkgs.stdenv.isDarwin {
+        ++ lib.optionals isDarwin [ "super+d=unbind" ];
+    } // lib.optionalAttrs isDarwin {
       "macos-titlebar-style" = "transparent";
       "macos-icon" = "official";
     };