Noop provider does not have a rootPath set

src/backupformat/rsync.js

@@ -31,6 +31,9 @@ function getBackupFilePath(backupConfig, remotePath) {
     assert.strictEqual(typeof backupConfig, 'object');
     assert.strictEqual(typeof remotePath, 'string');
 
+    // we don't have a rootPath for noop
+    if (backupConfig.provider === 'noop') return remotePath;
+
     return path.join(backupConfig.rootPath, remotePath);
 }
 

src/backupformat/tgz.js

@@ -24,6 +24,9 @@ function getBackupFilePath(backupConfig, remotePath) {
     assert.strictEqual(typeof backupConfig, 'object');
     assert.strictEqual(typeof remotePath, 'string');
 
+    // we don't have a rootPath for noop
+    if (backupConfig.provider === 'noop') return remotePath + fileType;
+
     const rootPath = backupConfig.rootPath;
     const fileType = backupConfig.encryption ? '.tar.gz.enc' : '.tar.gz';
     return path.join(rootPath, remotePath + fileType);