#!/bin/bash

# version 0.2

outfile=/tmp/zCheck.`date +%Y%m%d%M`.out

count=`zypper -x -n lu|grep "update name"|wc -l`
echo "Number of patches found: $count"
if [ $count == 0 ]; then
   echo "No updates this time, exiting!"
   exit 0
fi

echo "Comparing existing packages and updates..." > $outfile
echo "Comparing existing packages and updates..."

for item in `zypper -x -n lu|grep "update name"`
do
   newitem=${item//\"/ }
   currentitem=`echo $newitem |awk '{ print $1 }'`
   if [ $currentitem = "name=" ]; then
      itemname=`echo $newitem |awk '{ print $2 }'`
   fi
   if [ $currentitem = "edition=" ]; then
      itemedition=`echo $newitem |awk '{ print $2 }'`

      # Now let's break down the results...
      fullname=$itemname-$itemedition
      oldname=`rpm -q $itemname`
      echo "" >> $outfile
      echo ""
      echo "Existing version: $oldname" >> $outfile
      echo "Existing version: $oldname"
      echo "Updating version: $fullname" >> $outfile
      echo "Updating version: $fullname"
   fi
done
echo ""
#echo "Now, let's actually update the system... "
echo ""
#/usr/bin/zypper up
#/usr/bin/zypper up -y --skip-interactive
#/usr/bin/zypper up -y --type patch --skip-interactive
echo "" >> $outfile
echo ""
echo "...Done!" >> $outfile
echo "...Done!"
echo "See $outfile for results."