From 4d81c9120f5813f5dbde45177566ede036d8a1f8 Mon Sep 17 00:00:00 2001
From: "nrthomas%gmail.com"
 <nrthomas%gmail.com@18797224-902f-48f8-a5cc-f745e15eee43>
Date: Mon, 22 Feb 2010 20:36:46 +0000
Subject: [PATCH] Bug 544420, backupsnip fails when only adding new
 directories, r=catlee

git-svn-id: svn://10.0.0.236/trunk@259788 18797224-902f-48f8-a5cc-f745e15eee43
---
 mozilla/tools/release/bin/backupsnip | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mozilla/tools/release/bin/backupsnip b/mozilla/tools/release/bin/backupsnip
index 8078450bbff..a4190888e76 100755
--- a/mozilla/tools/release/bin/backupsnip
+++ b/mozilla/tools/release/bin/backupsnip
@@ -54,6 +54,13 @@ for d in $changedDirs; do
     fi
 done
 
+if [ -z "$args" ]; then
+    echo
+    echo 'Nothing to backup. There could be something wrong, or you could'
+    echo 'be creating new directories (eg test snippets for a major update).'
+    exit 0
+fi
+
 pushd $LIVE_SNIPPET_DIR > /dev/null
 echo Running time $TAR cfvz $BACKUP_DIR/$backupDirName.tar.gz $args
 time $TAR cfvz $BACKUP_DIR/$backupDirName.tar.gz $args