From c1b7e33a64a53160065d9ba73e28cfc6ca8554f1 Mon Sep 17 00:00:00 2001
From: Yann 'Ze' Richard <ze@nbox.org>
Date: Mon, 9 Jul 2012 13:28:29 +0200
Subject: [PATCH] Fix : no power_supply support message

Close #1
---
 prompt.bash | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/prompt.bash b/prompt.bash
index edfb833..b8d9751 100644
--- a/prompt.bash
+++ b/prompt.bash
@@ -160,7 +160,11 @@ git_branch_color()
 battery()
 {
     command -v acpi >/dev/null 2>&1 || { echo -n ""; return; }
-    bat=`acpi --battery | sed "s/^Battery .*, \([0-9]*\)%.*$/\1/"`
+    bat=`acpi --battery 2>/dev/null | sed "s/^Battery .*, \([0-9]*\)%.*$/\1/"`
+    if [ "${bat}x" == "x" ] ; then
+	echo -n ""
+	return
+    fi
     if [ ${bat} -lt 90 ] ; then
         echo -n " ${bat}%"
     else