up

flake.nix

@@ -36,6 +36,13 @@
         user = constants.user;
         darwinHosts = builtins.attrNames (builtins.readDir ./hosts/darwin);
         nixosHosts = builtins.attrNames (builtins.readDir ./hosts/nixos);
+        
+        loadDarwinOverlay = overlayPath: let
+          overlay = import overlayPath;
+          module = (overlay null { darwin = {}; }).darwinSyncthingModule;
+        in {
+          inherit overlay module;
+        };
       in {
         systems = [
           "x86_64-linux"
@@ -45,8 +52,7 @@
         flake.darwinConfigurations = inputs.nixpkgs.lib.genAttrs darwinHosts (
           hostname:
             let
-              syncthingOverlay = import ./overlays/syncthing-darwin.nix;
-              syncthingModule = (syncthingOverlay null { darwin = {}; }).darwinSyncthingModule;
+              syncthing = loadDarwinOverlay ./overlays/syncthing-darwin.nix;
             in
             inputs.darwin.lib.darwinSystem {
               system = "aarch64-darwin";
@@ -58,10 +64,10 @@
               modules = [
                 inputs.home-manager.darwinModules.home-manager
                 inputs.nix-homebrew.darwinModules.nix-homebrew
-                syncthingModule
+                syncthing.module
 
                 {
-                  nixpkgs.overlays = [ syncthingOverlay ];
+                  nixpkgs.overlays = [ syncthing.overlay ];
                   
                   nix-homebrew = {
                     inherit user;

modules/services/syncthing.nix

@@ -5,16 +5,22 @@
   ...
 }: let
   isDarwin = pkgs.stdenv.isDarwin;
-  isLinux = pkgs.stdenv.isLinux;
-  homeDir = if isDarwin then "/Users/${user}" else "/home/${user}";
+  
+  platformConfig = if isDarwin then {
+    homeDir = "/Users/${user}";
+    group = "staff";
+  } else {
+    homeDir = "/home/${user}";
+    group = "users";
+  };
 in {
   services.syncthing = {
     enable = true;
-    openDefaultPorts = isLinux;
-    dataDir = "${homeDir}/.local/share/syncthing";
-    configDir = "${homeDir}/.config/syncthing";
+    openDefaultPorts = !isDarwin;
+    dataDir = "${platformConfig.homeDir}/.local/share/syncthing";
+    configDir = "${platformConfig.homeDir}/.config/syncthing";
     user = "${user}";
-    group = if isDarwin then "staff" else "users";
+    group = platformConfig.group;
     guiAddress = "0.0.0.0:8384";
     overrideFolders = true;
     overrideDevices = true;
@@ -26,7 +32,7 @@ in {
       };
       folders = {
         "Projects" = {
-          path = "${homeDir}/Projects";
+          path = "${platformConfig.homeDir}/Projects";
           devices = ["tahani" "jason"];
         };
       };

overlays/syncthing-darwin.nix

@@ -1,5 +1,6 @@
 final: prev: {
-  darwinSyncthingModule = { config, lib, pkgs, ... }:
+  darwinModules = prev.darwinModules or {} // {
+    syncthing = { config, lib, pkgs, ... }:
       with lib;
       let
         cfg = config.services.syncthing;
@@ -383,4 +384,7 @@ final: prev: {
           '';
         };
       };
+  };
+  
+  darwinSyncthingModule = final.darwinModules.syncthing;
 }