From fdd153655d85070a231c60f89f343abd4ed79bf0 Mon Sep 17 00:00:00 2001
From: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Date: Tue, 22 Jul 2008 11:54:59 +0200
Subject: [PATCH] Make sure /etc/init.d/amavis diversion is preserved.

---
 src/functions.sh |   15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/functions.sh b/src/functions.sh
index 56d8a9e..0ddd941 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -678,10 +678,12 @@ upgrade_apache2 () {
 upgrade_amavis () {
   local conf
 
-  # remove init script diversion
-  if [ -L /etc/init.d/amavis -a -f /etc/init.d/amavis.amavisd-new ]; then
-    rm -vf /etc/init.d/amavis
-    dpkg-divert --quiet --remove /etc/init.d/amavis
+  # remove init script diversion before upgrade
+  if pkg amavisd-cn lt 3:2.4.2-4; then 
+    if [ -L /etc/init.d/amavis -a -f /etc/init.d/amavis.amavisd-new ]; then
+      rm -vf /etc/init.d/amavis
+      dpkg-divert --remove /etc/init.d/amavis
+    fi
   fi
 
   # move old config aside
@@ -699,6 +701,11 @@ upgrade_amavis () {
                 's/^\(clamd.*\)5.clamav.log$/\14\tsocket/g' \
                 /etc/init.d/amavisd-cn || true
 
+  # check if link got lost
+  if pkg amavisd-cn && [ ! -L /etc/init.d/amavis ]; then
+    apt-get install --reinstall --yes amavisd-cn
+  fi
+
   # start new packages
   /etc/init.d/amavis restart
 }
-- 
1.7.10.4