#!/bin/sh

if [ -z $1 ]
then
    echo "Usage: $0 outputfile"
    exit 1
fi

clear

PRUNEPATH="/old /download /usr/src /proc /var/install-logs /tmp /root /home /var/run /dev /mnt /var/spool /var/lock "

PRUNEREGEX=`echo $PRUNEPATH|sed -e 's,^,\\\(^,' -e 's, ,$\\\)\\\|\\\(^,g' -e 's,$,$\\\),'`

echo "Collecting current files..."
find / -regex "$PRUNEREGEX" -prune -o -print > /var/install-logs/before-inst
echo
echo "Start the installation of $1 now."
echo "Press a key when you are done to continue..."
read
echo "Collecting new files..."
find / -regex "$PRUNEREGEX" -prune -o -print > /var/install-logs/after-inst
cd /var/install-logs
echo "Creating difference output.."
diff before-inst after-inst > $1
echo "Modifying difference output file..."
sed s/"> "// $1 > $1-new
mv $1-new $1
cat $1 | grep / > $1-new
mv $1-new $1
echo "Removing temporary files..."
rm before-inst after-inst
echo "Opening output file in editor..."
gvim $1
echo "Done"