backups: make filename encryption optional

migrations/20220626163116-backupConfig-default-encryptFilenames.js

@@ -0,0 +1,13 @@
+'use strict';
+
+exports.up = async function(db) {
+    const backupConfigJson = await db.runSql('SELECT * FROM settings WHERE name=?', [ 'backup_config' ]);
+    const backupConfig = JSON.parse(backupConfigJson);
+
+    if (backupConfig.encryption) backupConfig.encryptFilenames = true;
+
+    await db.runSql('UPDATE settings SET value=? WHERE name=?', [ JSON.stringify(backupConfig), 'backup_config',  ]);
+};
+
+exports.down = async function(/* db */) {
+};