From a0556fcbe1a404a023785e4ac983b20873976df7 Mon Sep 17 00:00:00 2001
From: Fedor Indutny <fedor.indutny@gmail.com>
Date: Tue, 20 Sep 2011 17:05:01 +0700
Subject: [PATCH] repeat last command if empty line was entered

---
 lib/_debugger.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/_debugger.js b/lib/_debugger.js
index 3e28a3f4cb6..4deb0ec87ed 100644
--- a/lib/_debugger.js
+++ b/lib/_debugger.js
@@ -852,6 +852,13 @@ Interface.prototype.requireConnection = function() {
 // Used for debugger's commands evaluation and execution
 Interface.prototype.controlEval = function(code, context, filename, callback) {
   try {
+    // Repeat last command if empty line are going to be evaluated
+    if (this.repl.rli.history.length > 0) {
+      if (code === '(undefined\n)') {
+        code = '(' + this.repl.rli.history[0] + '\n)';
+      }
+    }
+
     var result = vm.runInContext(code, context, filename);
 
     // Repl should not ask for next command