restic: Make repository variable (in module)

modules/restic.nix

@@ -3,6 +3,7 @@ let
   cfg = config.sbruder.restic;
 
   name = "${config.networking.hostName}-system";
+  repository = "s3:https://s3.eu-central-1.wasabisys.com/sbruder-restic";
   excludes = [
     # General
     "/home/*/Downloads/"
@@ -66,9 +67,9 @@ in
 
   config = lib.mkIf cfg.enable {
     services.restic.backups."${name}" = {
+      inherit repository;
       passwordFile = toString <secrets/restic-password>;
       s3CredentialsFile = toString <secrets/restic-s3>;
-      repository = "s3:https://s3.eu-central-1.wasabisys.com/sbruder-restic";
       paths = lib.mkDefault (
         [ ]
         ++ maybePath /data