add wsusoffline to the package

OPSI/preinst

@@ -1,9 +1,41 @@
-#! /bin/sh
+#!/bin/bash
 #
-# preinst script for softprod
+# preinst script
 # This script executes before that package will be unpacked from its archive file.
 #
 # The following environment variables can be used to obtain information about the current installation:
-#   PRODUCT_ID: id of the current product
-#   CLIENT_DATA_DIR: directory where client data will be installed
-#
+#   PRODUCT_ID, PRODUCT_TYPE, PRODUCT_VERSION, PACKAGE_VERSION, CLIENT_DATA_DIR, DEPOT_ID
+
+TMP_DIR=${CLIENT_DATA_DIR}/../${PRODUCT_ID}.tmp
+
+major=`cat /etc/opsi/version | cut -d'.' -f1`
+minor=`cat /etc/opsi/version | cut -d'.' -f2`
+if [ ! $major -ge 4 ]; then
+	if [ $major -le 2 -o $minor -le 98 ]; then
+		echo "This product requires opsi version >= 3.99" 1>&2
+		exit 1
+	fi
+fi
+
+if [ -d $TMP_DIR ]; then
+	echo "Temporary directory $TMP_DIR already exist, aborting!" 1>&2
+	exit 1
+fi
+
+[ ! -d $CLIENT_DATA_DIR ] && mkdir $CLIENT_DATA_DIR
+mkdir $TMP_DIR
+
+if [ -d $CLIENT_DATA_DIR ]; then
+	echo "Saving previous directories..."
+	for dirname in client; do
+		for path in $CLIENT_DATA_DIR/$dirname; do
+			if [ -e $path ]; then
+				echo "   moving $path to $TMP_DIR"
+				mv $path $TMP_DIR/ || exit 1
+			fi
+		done
+	done
+fi
+
+exit 0
+