backwards: Add enable option to syncthing module

hosts/backwards/modules/default.nix

@@ -12,6 +12,7 @@ in
 
       ssh.enable = true;
       git.enable = true;
+      syncthing.enable = true;
     };
   };
 }

hosts/backwards/modules/syncthing/default.nix

@@ -1,88 +1,99 @@
-{ config, ... }:
+{ lib, config, ... }:
+let
+  enabled = config.mod.syncthing.enable;
+in
 {
-  services.syncthing = {
-    enable = true;
-    openDefaultPorts = true;
+  options = {
+    mod.syncthing = {
+      enable = lib.mkEnableOption "Enable syncthing module";
+    };
+  };
 
-    cert = config.age.secrets.syncthing-cert.path;
-    key = config.age.secrets.syncthing-key.path;
+  config = lib.mkIf enabled {
+    services.syncthing = {
+      enable = true;
+      openDefaultPorts = true;
 
-    user = "alex";
-    group = "users";
+      cert = config.age.secrets.syncthing-cert.path;
+      key = config.age.secrets.syncthing-key.path;
 
-    dataDir = "/home/alex/sync";
+      user = "alex";
+      group = "users";
 
-    guiAddress = "0.0.0.0:8384";
+      dataDir = "/home/alex/sync";
 
-    settings = {
-      devices = {
-        phone.id = config.lib.syncthing.phone;
-        pinwheel.id = config.lib.syncthing.pinwheel;
-      };
+      guiAddress = "0.0.0.0:8384";
 
-      folders = {
-        org = {
-          path = "/home/alex/sync/org";
-          devices = [ "phone" "pinwheel" ];
-          versioning = {
-            type = "staggered";
-            params = {
-              maxage = "2592000"; # 30 days
-            };
-          };
+      settings = {
+        devices = {
+          phone.id = config.lib.syncthing.phone;
+          pinwheel.id = config.lib.syncthing.pinwheel;
         };
 
-        personal = {
-          path = "/home/alex/sync/personal";
-          devices = [ "pinwheel" ];
-          versioning = {
-            type = "staggered";
-            params = {
-              maxAge = "2592000"; # 30 days
+        folders = {
+          org = {
+            path = "/home/alex/sync/org";
+            devices = [ "phone" "pinwheel" ];
+            versioning = {
+              type = "staggered";
+              params = {
+                maxage = "2592000"; # 30 days
+              };
             };
           };
-        };
 
-        work = {
-          path = "/home/alex/sync/work";
-          devices = [ "pinwheel" ];
-          versioning = {
-            type = "staggered";
-            params = {
-              maxAge = "2592000"; # 30 days
+          personal = {
+            path = "/home/alex/sync/personal";
+            devices = [ "pinwheel" ];
+            versioning = {
+              type = "staggered";
+              params = {
+                maxAge = "2592000"; # 30 days
+              };
             };
           };
-        };
 
-        books = {
-          path = "/home/alex/sync/books";
-          devices = [ "pinwheel" ];
-          versioning = {
-            type = "staggered";
-            params = {
-              maxAge = "2592000"; # 30 days
+          work = {
+            path = "/home/alex/sync/work";
+            devices = [ "pinwheel" ];
+            versioning = {
+              type = "staggered";
+              params = {
+                maxAge = "2592000"; # 30 days
+              };
             };
           };
-        };
 
-        "phone-gps" = {
-          path = "/home/alex/sync/phone-gps";
-          devices = [ "phone" ];
-          versioning = {
-            type = "staggered";
-            params = {
-              maxage = "2592000"; # 30 days
+          books = {
+            path = "/home/alex/sync/books";
+            devices = [ "pinwheel" ];
+            versioning = {
+              type = "staggered";
+              params = {
+                maxAge = "2592000"; # 30 days
+              };
+            };
+          };
+
+          "phone-gps" = {
+            path = "/home/alex/sync/phone-gps";
+            devices = [ "phone" ];
+            versioning = {
+              type = "staggered";
+              params = {
+                maxage = "2592000"; # 30 days
+              };
             };
           };
         };
       };
     };
-  };
 
-  age = {
-    secrets = {
-      "syncthing-cert".file = ../../../../secrets/backwards/syncthing-cert.age;
-      "syncthing-key".file = ../../../../secrets/backwards/syncthing-key.age;
+    age = {
+      secrets = {
+        "syncthing-cert".file = ../../../../secrets/backwards/syncthing-cert.age;
+        "syncthing-key".file = ../../../../secrets/backwards/syncthing-key.age;
+      };
     };
   };
 }