From: Bjørn Erik Pedersen <bjorn.erik.pedersen@gmail.com>
Date: Sat, 30 Jul 2016 17:54:07 +0000 (+0200)
Subject: Add sanity check to the file walker
X-Git-Tag: v0.17~202
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=94d998989d85c0d4f8119d49ba6247367b5f1cd7;p=brevno-suite%2Fhugo

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.
---

diff --git a/helpers/path.go b/helpers/path.go
index 1d3419fb..91017d51 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)