clan.borgbackup: drop enable option

checks/backups/flake-module.nix

@@ -75,10 +75,7 @@ in
         };
         system.extraDependencies = dependencies;
         clanCore.state.test-backups.folders = [ "/var/test-backups" ];
-        clan.borgbackup = {
-          enable = true;
-          destinations.test_backup_server.repo = "borg@server:.";
-        };
+        clan.borgbackup.destinations.test_backup_server.repo = "borg@server:.";
       };
   };
   perSystem = { nodes, pkgs, ... }: {

checks/borgbackup/default.nix

@@ -36,10 +36,7 @@
         };
         clanCore.secretStore = "vm";
 
-        clan.borgbackup = {
-          enable = true;
-          destinations.test.repo = "borg@localhost:.";
-        };
+        clan.borgbackup.destinations.test.repo = "borg@localhost:.";
       }
     ];
   };

clanModules/borgbackup.nix

@@ -3,9 +3,7 @@ let
   cfg = config.clan.borgbackup;
 in
 {
-  options.clan.borgbackup = {
-    enable = lib.mkEnableOption "backups with borgbackup";
-    destinations = lib.mkOption {
+  options.clan.borgbackup.destinations = lib.mkOption {
     type = lib.types.attrsOf (lib.types.submodule ({ name, ... }: {
       options = {
         name = lib.mkOption {
@@ -25,12 +23,15 @@ in
 
       };
     }));
+    default = { };
     description = ''
       destinations where the machine should be backuped to
     '';
   };
-  };
-  config = lib.mkIf cfg.enable {
+
+  imports = [ (lib.mkRemovedOptionModule [ "clan" "borgbackup" "enable" ] "Just define clan.borgbackup.destinations to enable it") ];
+
+  config = lib.mkIf (cfg.destinations != [ ]) {
     services.borgbackup.jobs = lib.mapAttrs
       (_: dest: {
         paths = lib.flatten (map (state: state.folders) (lib.attrValues config.clanCore.state));