From 4134ddd8ea5c3a5e748e3b6073087814fba77ee6 Mon Sep 17 00:00:00 2001
From: Prince J Wesley <princejohnwesley@gmail.com>
Date: Tue, 2 Aug 2016 22:24:08 +0530
Subject: [PATCH] Prevent double tab behavior

---
 lib/repl.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/repl.js b/lib/repl.js
index aca7d41d7c2dd9..b64ee0f5fa8885 100644
--- a/lib/repl.js
+++ b/lib/repl.js
@@ -608,6 +608,9 @@ function REPLServer(prompt,
         case 'up':   // Override previous history item
         case 'down': // Override next history item
           break;
+        case 'tab':
+          // prevent double tab behavior
+          self._previousKey = null;
         default:
           ttyWrite(d, key);
       }