Cleaned up darwin from noise; Moved overlays too a shared module

home/fonts.nix

@@ -1,11 +1,33 @@
-{ pkgs, ... }:
 {
-  fonts.fontconfig.enable = true;
-
-  home.packages = with pkgs; [
+  pkgs,
+  isDarwin,
+  lib,
+  ...
+}:
+let
+  fonts = with pkgs; [
     nerd-fonts.fira-code
     nerd-fonts.fira-mono
     nerd-fonts.hack
   ];
+in
+{
+  fonts.fontconfig.enable = true;
+  home = {
+    packages = lib.mkIf (!isDarwin) fonts;
 
+    file = lib.mkIf isDarwin (
+      builtins.listToAttrs (
+        builtins.concatMap (
+          pkg:
+          map (file: {
+            name = "Library/Fonts/${builtins.baseNameOf file}";
+            value = {
+              source = file;
+            };
+          }) (lib.filesystem.listFilesRecursive "${pkg}/share/fonts")
+        ) fonts
+      )
+    );
+  };
 }