From e70871d8b5c92e40cedd6fd0b7687c4f0b6ce3ff Mon Sep 17 00:00:00 2001
From: Hani Benhabiles <kroosec@gmail.com>
Date: Tue, 27 May 2014 23:39:35 +0100
Subject: [PATCH] readline: Make completion strings always unique

There is no need to clutter the user's choices with repeating the same value
multiple times.

Signed-off-by: Hani Benhabiles <hani@linux.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
 util/readline.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util/readline.c b/util/readline.c
index 8baec55509..7214e8407c 100644
--- a/util/readline.c
+++ b/util/readline.c
@@ -263,6 +263,12 @@ static void readline_hist_add(ReadLineState *rs, const char *cmdline)
 void readline_add_completion(ReadLineState *rs, const char *str)
 {
     if (rs->nb_completions < READLINE_MAX_COMPLETIONS) {
+        int i;
+        for (i = 0; i < rs->nb_completions; i++) {
+            if (!strcmp(rs->completions[i], str)) {
+                return;
+            }
+        }
         rs->completions[rs->nb_completions++] = g_strdup(str);
     }
 }