Add retro gaming role with syncthing

home/programs/syncthing/default.nix

@@ -0,0 +1,33 @@
+{ lib, config, ... }:
+
+let
+
+  cfg = config.custom.programs.syncthing;
+
+in
+
+{
+  options = {
+    custom.programs.syncthing = {
+      enable = lib.mkEnableOption "Syncthing";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    services.syncthing = {
+      enable = true;
+      tray = {
+        enable = true;
+        command = "syncthingtray --wait";
+      };
+    };
+
+    # Syncthingtray service requires tray.target
+    systemd.user.targets.tray = {
+      Unit = {
+        Description = "Home Manager System Tray";
+        Requires = [ "graphical-session-pre.target" ];
+      };
+    };
+  };
+}

home/roles/gaming/retro/default.nix

@@ -0,0 +1,19 @@
+{ lib, config, ... }:
+
+let
+
+  cfg = config.custom.roles.gaming.retro;
+
+in
+
+{
+  options = {
+    custom.roles.gaming.retro = {
+      enable = lib.mkEnableOption "Retro gaming";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    custom.programs.syncthing.enable = true;
+  };
+}