From ccf7b41a69a8037f721a3eb495c2a82a53613634 Mon Sep 17 00:00:00 2001
From: Fedor Indutny <fedor.indutny@gmail.com>
Date: Tue, 24 Jan 2012 22:45:34 +0600
Subject: [PATCH] module: fix --debug-brk on symlinked scripts

* fixes #1519
---
 lib/module.js | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/lib/module.js b/lib/module.js
index a5963545b8..da67ef65d2 100644
--- a/lib/module.js
+++ b/lib/module.js
@@ -358,6 +358,11 @@ Module.prototype.require = function(path) {
 };
 
 
+// Resolved path to process.argv[1] will be lazily placed here
+// (needed for setting breakpoint when called with --debug-brk)
+var resolvedArgv;
+
+
 // Returns exception if any
 Module.prototype._compile = function(content, filename) {
   var self = this;
@@ -425,8 +430,15 @@ Module.prototype._compile = function(content, filename) {
   var wrapper = Module.wrap(content);
 
   var compiledWrapper = runInThisContext(wrapper, filename, true);
-  if (filename === process.argv[1] && global.v8debug) {
-    global.v8debug.Debug.setBreakPoint(compiledWrapper, 0, 0);
+  if (global.v8debug) {
+    if (!resolvedArgv) {
+      resolvedArgv = Module._resolveFilename(process.argv[1], null)[1];
+    }
+
+    // Set breakpoint on module start
+    if (filename === resolvedArgv) {
+      global.v8debug.Debug.setBreakPoint(compiledWrapper, 0, 0);
+    }
   }
   var args = [self.exports, require, self, filename, dirname];
   return compiledWrapper.apply(self.exports, args);