From cfc08acd15b51cfe1f650c23891ccb387390a95b Mon Sep 17 00:00:00 2001
From: Johan Holmberg <holmberg556@gmail.com>
Date: Wed, 9 Nov 2016 16:42:55 +0100
Subject: [PATCH] avoid 'recursive_find' over directory symlink

this could cause an endless recursion if a symlink pointed
upwards in the file tree
---
 lib/cmdtest/fssnapshot.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/cmdtest/fssnapshot.rb b/lib/cmdtest/fssnapshot.rb
index 3b045a7..3ba19a7 100644
--- a/lib/cmdtest/fssnapshot.rb
+++ b/lib/cmdtest/fssnapshot.rb
@@ -41,7 +41,7 @@ module Cmdtest
         next if entry == ".."
         path = File.join(dir, entry)
         relpath = prefix + entry
-        if File.directory?(path)
+        if ! File.symlink?(path) && File.directory?(path)
           ignore2 = yield ignore, relpath
           recursive_find(ignore2, relpath + "/", path, &block)
         else