shithub: hugo

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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.

--- a/helpers/path.go

+++ b/helpers/path.go

@@ -467,6 +467,11 @@

 // 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)