backupformat: getFileExtension

src/backupformat/rsync.js

@@ -3,6 +3,7 @@
 exports = module.exports = {
     download,
     upload,
+    getFileExtension,
 
     _saveFsMetadata: saveFsMetadata,
     _restoreFsMetadata: restoreFsMetadata
@@ -274,3 +275,9 @@ async function upload(backupTarget, remotePath, dataLayout, progressCallback) {
     await saveFsMetadata(dataLayout, `${dataLayout.localRoot()}/fsmetadata.json`);
     await sync(backupTarget, remotePath, dataLayout, progressCallback);
 }
+
+function getFileExtension(encryption) {
+    assert.strictEqual(typeof encryption, 'boolean');
+
+    return '';
+}