From 7b0ee7b4136ddcf49e10b4445693ba37ddbd1762 Mon Sep 17 00:00:00 2001
From: Shahar Talmi <shahart@wix.com>
Date: Sun, 28 Feb 2016 22:27:54 +0200
Subject: [PATCH] fix(doesPathContain): make code more readable and workaround
 node 5.7.0 issue

Closes #1469
---
 .travis.yml       | 1 +
 lib/grunt/file.js | 4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index c7b8f8c16..a4a971257 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,7 @@ node_js:
   - "4.1"
   - "4.2"
   - "5"
+  - "5.7"
   - "iojs"
 before_install:
   - npm install -g npm
diff --git a/lib/grunt/file.js b/lib/grunt/file.js
index 46c415d06..b4a1f5251 100644
--- a/lib/grunt/file.js
+++ b/lib/grunt/file.js
@@ -440,8 +440,8 @@ file.doesPathContain = function(ancestor) {
   ancestor = path.resolve(ancestor);
   var relative;
   for (var i = 1; i < arguments.length; i++) {
-    relative = path.relative(path.resolve(arguments[i]), ancestor);
-    if (relative === '' || /\w+/.test(relative)) { return false; }
+    relative = path.relative(ancestor, path.resolve(arguments[i]));
+    if (relative === '' || /^\.\./.test(relative)) { return false; }
   }
   return true;
 };