#!/bin/sh
#
# Copyright 2003 by Tony Brijeski
#
# Licensed under the GPL2 License
#
#
#  This little script is used to repackage a Slackware package
#  that is installed on your system back into the original tgz package.
#
#  Main uses are for repacking your customizations or for making a backup
#  of the package before removing it from the system so you can reinstall
#  it if you wish (nobody is perfect!).
#
#  This version only works on 1 package at a time
#
#

lodir="`pwd`"

if [ -a /tmp/retgz.tmp ]; then
rm -f /tmp/retgz.tmp
fi


if [ "$1" = "" ]; then
echo "Usage - retgz package-name "
echo " "
echo "      package-name is the entry in /var/log/packages"
echo " "
exit 1
fi

if [ -a /var/log/packages/$1 ]; then
cd /
mkdir /install

if [ -a /var/log/scripts/$1 ]; then
cp /var/log/scripts/$1 /install/doinst.sh
fi

cat /var/log/packages/$1 | grep ":" >>/install/slack-desc
cat /var/log/packages/$1 | grep "/" >>/tmp/retgz.tmp

if [ -a /install/doinst.sh ]; then
tar cvpf $lodir/$1 ./install/doinst.sh ./install/slack-desc
else
tar cvpf $lodir/$1 ./install/slack-desc
fi



 cat /tmp/retgz.tmp | while read LINE; do
 if [ ! "$LINE" = "" ]; then
 tst1=`echo "$LINE" | grep "doinst.sh"`
 tst2=`echo "$LINE" | grep "slack-desc"`
 tst3=`echo "$LINE" | awk -F/ '{print $NF}'`
  if [ "$tst1" = "" ] && [ "$tst2" = "" ]; then
   if [ ! "$tst3" = "" ]; then
   tar rvpf $lodir/$1 ./$LINE
   fi
  fi
fi
 done

else
echo "Package $1 not installed"
exit 1
fi


rm -rf /install
rm -f /tmp/retgz.tmp
cd $lodir

#gzip -S .tgz $1
xz -S .txz $1 &
echo " Package $1.txz is in $lodir "
exit 0