From feddabd57bb90418df84fab26226d6cd65fb202b Mon Sep 17 00:00:00 2001
From: Daniel Chcouri <333222@gmail.com>
Date: Wed, 14 May 2014 06:48:05 +0300
Subject: [PATCH] readdirSyncRecursive: follow symlinks only if we haven't read
 the destination yet

Fix an issue whre readdirSyncRecursive will get into infinite loop for
circular symlinks.

Note: fix to readdirRecursive is also needed.
---
 lib/wrench.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/wrench.js b/lib/wrench.js
index 01f5e95..2f00b6c 100644
--- a/lib/wrench.js
+++ b/lib/wrench.js
@@ -23,7 +23,14 @@ var fs = require("fs"),
 exports.readdirSyncRecursive = function(baseDir) {
     baseDir = baseDir.replace(/\/$/, '');
 
+    var checkedInodes = {};
     var readdirSyncRecursive = function(baseDir) {
+        var inode = fs.statSync(baseDir).ino;
+        if (inode in checkedInodes) {
+            return [];
+        }
+        checkedInodes[inode] = true;
+
         var files = [],
             curFiles,
             nextDirs,
-- 
2.39.5