From 94d998989d85c0d4f8119d49ba6247367b5f1cd7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Pedersen?=
 <bjorn.erik.pedersen@gmail.com>
Date: Sat, 30 Jul 2016 19:54:07 +0200
Subject: [PATCH] Add sanity check to the file walker

As more tests now hit the virtual filesystem, add this check
to prevent any walking of the entire file system.
---
 helpers/path.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/helpers/path.go b/helpers/path.go
index 1d3419fb2..91017d513 100644
--- a/helpers/path.go
+++ b/helpers/path.go
@@ -467,6 +467,11 @@ func FindCWD() (string, error) {
 // the file structure
 func SymbolicWalk(fs afero.Fs, root string, walker filepath.WalkFunc) error {
 
+	// Sanity check
+	if len(root) < 5 {
+		return fmt.Errorf("Path to short, cannot walk the root: %s", root)
+	}
+
 	// Handle the root first
 	fileInfo, err := lstatIfOs(fs, root)