logs: log localDir

lib/workers/repository/index.js

@@ -24,6 +24,7 @@ async function renovateRepository(repoConfig) {
       tmpDir = await tmp.dir({ unsafeCleanup: true });
       config.localDir = tmpDir.path;
     }
+    logger.debug('Using localDir: ' + config.localDir);
     config = await initRepo(config);
     const { res, branches, branchList, packageFiles } = await processRepo(
       config