#!/bin/sh

# Copyright (c) 2008 Alexander Sack, Sasa Bodiroza
# Description: Script to unpack xpifile to outdir
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2, or (at
# your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

# The script unpacks the xpi file, then searches it for jar files. If it
# finds any it will unzip it to ./outpur_dir/path/to/file.jar!/ dir.
# Example: med-xpi-unpack ubufox-ver.xpi ubufox.out

XPIFILE=$1;
OUTDIR=$2;

usage() {
	echo "med-xpi-unpack - Script to unpack XPI file to output directory."
	echo
	echo "To run it call:";
	echo "$ med-xpi-unpack input_xpi_file output_directory"
	echo
	echo " input_xpi_file - packed XPI source tree";
	echo " output_directory - location where the unpacke XPI file is placed";
	exit 1;
}

if [ "$1" = "--help" -o "$1" = "-h" ] ; then
	usage;
fi;

if [ -z $XPIFILE ] ; then
	echo "Missing XPI file."
	echo
	usage
fi;
if [ -z $OUTDIR ] ; then
	echo "Missing output directory."
	echo
	usage
fi;
if [ -d $OUTDIR ] ; then
	echo "E: Output directory already exists."
	echo
	usage
fi;

if [ ! -f $XPIFILE ] ; then
	echo "E: XPI file doesn't exist."
	echo
	usage
fi;

mkdir $OUTDIR;
echo "Unpacking $XPIFILE";

unzip -q $XPIFILE -d $OUTDIR;
cd $OUTDIR;
for JAR_PATH in `find . -name *.jar` ; do
	echo "Unpacking $JAR_PATH";
	unzip -q $JAR_PATH -d $JAR_PATH!;
	rm -f $JAR_PATH;
done;
cd ..;

echo "Unpacked xpi file.";