add more borg options for dbs and offsite

hosts/nixos/vaniville/configuration.nix

@@ -44,6 +44,7 @@ in {
     };
     backups = {
       enable = true;
+      databases = false;
       backup_repo = "/var/lib/backups/homelab";
       offsite_dir = "/lifeboat/vaniville/homelab";
     };

modules/homelab/system/backups/default.nix

@@ -26,11 +26,21 @@ in {
       default = {};
       description = "backup jobs, nested attribute sets should be <bak_name> = paths [<list_of_paths>]";
     };
+    databases = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "if databases are present, runs dumps";
+    };
     backup_repo = lib.mkOption {
       type = lib.types.path;
       default = "/holocron/archives/homelab";
       description = "path to take daily backups to with borg!";
     };
+    offsite = lib.mkOption {
+      type = lib.types.bool;
+      default = true;
+      description = "bool to control weather or not the repo is backed up offsite";
+    };
     offsite_user = lib.mkOption {
       type = lib.types.str;
       default = "lifeboat";
@@ -59,11 +69,11 @@ in {
       group = "archives";
       encryption.mode = "repokey-blake2";
       encryption.passCommand = "cat ${sec."borg_passwd".path}";
-      preHook = ''
+      preHook = lib.mkIf cfg.databases ''
         systemctl start mysql-backup.service
         systemctl start $(systemctl list-unit-files 'postgresqlBackup-*.service' --no-legend --no-pager | cut -d' ' -f1)
       '';
-      postHook = ''
+      postHook = lib.mkIf cfg.offsite''
         ${pkgs.sshpass}/bin/sshpass -f ${sec."lifeboat_rsync".path} \
           ${pkgs.rsync}/bin/rsync -aHAX --partial --numeric-ids --info=progress2,name1,stats2 --delete \
           -e "ssh -o StrictHostKeyChecking=no" \