From c451dd07c62d025808f9e2023779bb4dbad15d8c Mon Sep 17 00:00:00 2001
From: Maxime Coste <frrrwww@gmail.com>
Date: Tue, 19 Feb 2013 19:04:36 +0100
Subject: [PATCH] InputHandler: do not put empty lines in history

---
 src/input_handler.cc | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/src/input_handler.cc b/src/input_handler.cc
index be4aa51f..1bd5a988 100644
--- a/src/input_handler.cc
+++ b/src/input_handler.cc
@@ -293,11 +293,13 @@ public:
         }
         else if (key == Key{Key::Modifiers::Control, 'm'}) // enter
         {
-            std::vector<String>::iterator it;
-            while ((it = find(history, line)) != history.end())
-                history.erase(it);
-
-            history.push_back(line);
+            if (not line.empty())
+            {
+                std::vector<String>::iterator it;
+                while ((it = find(history, line)) != history.end())
+                    history.erase(it);
+                history.push_back(line);
+            }
             context().ui().print_status("");
             context().ui().menu_hide();
             reset_normal_mode();