From 3d86bafffc213b905aa72dfcaba045d22997e7c2 Mon Sep 17 00:00:00 2001
From: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Date: Tue, 28 Apr 2009 12:35:03 +0200
Subject: [PATCH] Install compatible php5 extensions.

---
 src/functions.sh |   30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/functions.sh b/src/functions.sh
index 175d263..7511bc2 100644
--- a/src/functions.sh
+++ b/src/functions.sh
@@ -451,6 +451,9 @@ check_my_version () {
 check_php_version () {
 
   if pkg php4-cn && ! pkg php5-cn; then
+    # prepare for php upgrade by installing php5 extensions
+    install_php5_extensions
+
     notice "
 Prije prelaska na Debian Lenny potrebno je napraviti nadogradnju sa PHP 4 na PHP 5.
 
@@ -464,6 +467,33 @@ Nakon sto provjerite da sve web aplikacije rade ispravno, ponovno pozovite ovu s
   fi
 }
 
+# install php5 extensions based on installed php4 extensions
+install_php5_extensions () {
+  local php4_list php5_pkg
+
+  # get a list of installed php4 packages
+  php4_list=$(mktemp /var/lib/carnet-upgrade/php4_list.XXXXXX)
+  dpkg -l php4-\* | awk '/^ii/ {
+    pkg=$2; sub("^php4", "php5", pkg); print pkg }' > $php4_list
+
+  # compare it with the list of available php5 packages
+  php5_pkg=$(apt-cache search -n ^php5- | cut -d' ' -f 1 \
+    | grep -F -x -f $php4_list | grep -F -x -v php5-cn)
+
+  # handle special cases
+  if pkg php4-xslt; then
+     php5_pkg="$php5_pkg php5-xsl"
+  fi
+
+  # install the required php5 modules
+  if [ "$php5_pkg" ]; then
+     pkgadd $php5_pkg
+  fi
+
+  # cleanup
+  rm -f $php4_list
+}
+
 # if grsec is installed make sure it is fresh
 check_grsec_kernel () {
   local ver=`uname -r`
-- 
1.7.10.4