[gnome-live] Exit if no package is specified

[Zhang Sen <zhangsen src gnome org>]

commit fea250334faf1fb37cf8a3e42052424947523529
Author: Zhang Sen <zh jesse gmail com>
Date:   Mon Jul 13 19:56:17 2009 +0800

    Exit if no package is specified

 dev-kit/build-system/refresh-gnome |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/dev-kit/build-system/refresh-gnome b/dev-kit/build-system/refresh-gnome
index 673983d..ed6cd27 100755
--- a/dev-kit/build-system/refresh-gnome
+++ b/dev-kit/build-system/refresh-gnome
@@ -39,8 +39,14 @@ else
     echo Current blacklist includes:
     cat blacklist
 fi
-echo
 
+if [[ ! $troves ]]
+then
+    echo "No packages to process"
+    exit
+fi
+
+echo
 if [ $action = "update" ];
 then
     echo --Updating...