From a11f92b4dd75a3a19b8a96b5d4fd131803d0d83a Mon Sep 17 00:00:00 2001
From: Dustin Kirkland <kirkland@canonical.com>
Date: Mon, 15 Dec 2008 23:35:03 -0600
Subject: [PATCH] print empty string when no updates available, Bug #308215

---
 bin/updates-available | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/bin/updates-available b/bin/updates-available
index f84e605c..b57b31a5 100755
--- a/bin/updates-available
+++ b/bin/updates-available
@@ -1,11 +1,20 @@
 #!/bin/sh
 
+u=
 if [ -x /usr/lib/update-notifier/apt-check ]; then
-	/usr/lib/update-notifier/apt-check 2>&1 | tail -n 1 | sed "s/;.*$/\!/"
+	u=`/usr/lib/update-notifier/apt-check 2>&1 | tail -n 1 | sed "s/;.*$//"`
 elif [ -x /usr/bin/apt-get ]; then
-	/usr/bin/apt-get -s -o Debug::NoLocking=true upgrade | grep ^Inst | wc -l | sed "s/$/\!/"
+	u=`/usr/bin/apt-get -s -o Debug::NoLocking=true upgrade | grep -c ^Inst`
 elif [ -x /usr/bin/yum ]; then
-	/usr/bin/yum list updates | grep -c "updates" | sed "s/$/\!/"
+	u=`/usr/bin/yum list updates | grep -c "updates"`
 else
 	echo "?"
+	exit 1
 fi
+
+if [ "$u" = "0" ]; then
+	echo ""
+else
+	echo "$u!"
+fi
+exit 0