From 02613adf06e84b5bb0fdc26aec980e3af8145a60 Mon Sep 17 00:00:00 2001
From: Carlo Dapor <catull@gmail.com>
Date: Tue, 7 Feb 2017 15:38:18 +0100
Subject: [PATCH] Bail out if output path is the root folder, as `ng serve`
 --output-path=. would wipe out the entire root folder.

---
 packages/@angular/cli/tasks/serve.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/packages/@angular/cli/tasks/serve.ts b/packages/@angular/cli/tasks/serve.ts
index 6a376f35ac86..10458b4f9938 100644
--- a/packages/@angular/cli/tasks/serve.ts
+++ b/packages/@angular/cli/tasks/serve.ts
@@ -24,6 +24,9 @@ export default Task.extend({
     const appConfig = projectConfig.apps[0];
 
     const outputPath = serveTaskOptions.outputPath || appConfig.outDir;
+    if (this.project.root === outputPath) {
+      throw new SilentError ('Output path MUST not be project root directory!');
+    }
     rimraf.sync(path.resolve(this.project.root, outputPath));
 
     const serveDefaults = {