From a0acebce695a2f278bdd522be0ecdfb5c918d2ba Mon Sep 17 00:00:00 2001
From: Silvio Rhatto <rhatto@riseup.net>
Date: Mon, 18 Feb 2013 17:32:35 -0300
Subject: Better release checking at system-upgrade

---
 share/hydractl/system-upgrade | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/share/hydractl/system-upgrade b/share/hydractl/system-upgrade
index 5dfe126..0a8e6de 100755
--- a/share/hydractl/system-upgrade
+++ b/share/hydractl/system-upgrade
@@ -25,9 +25,15 @@ BASENAME="`basename $0`"
 
 # Available releases
 #release="`facter lsbdistcodename`" # this doesn't work on squeeze
-release="`facter | grep lsbdistcodename | sed -e 's/lsbdistcodename => //'`"
+release="`facter 2> /dev/null | grep lsbdistcodename | sed -e 's/lsbdistcodename => //'`"
 nextrelease="`hydra_next_debian_release $release`"
 
+# Check release
+if [ "$?" != "0" ]; then
+  echo "Unsupported release"
+  exit 1
+fi
+
 # Ensure puppet is stopped during the process
 echo "Disabling puppet during the upgrade..."
 service puppet stop
-- 
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