#!/bin/bash
# Pack translations
# Copyright (C) 2007-2008  Andrius Štikonas <stikonas@gmail.com>
#
# 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.

source "`dirname $0`/variables"

if [ ! $DIFF ]; then
    echo -e $RED"This program needs the diff utility."$ENDCOLOR
    exit 1
fi

if [ ! $TAR ]; then
    echo -e $RED"This program needs the tar utility."$ENDCOLOR
    exit 1
fi

if [ ! $BZIP2 ]; then
    echo -e $RED"This program needs the bzip2 utility."$ENDCOLOR
    exit 1
fi

counter=0

for BRANCH in $TRUNK $BRANCHES; do
	echo -e "Branch: $BLUE$BRANCH"$ENDCOLOR
	DIR="$PREFIX-$BRANCH"
	mkdir "$LCODE-temp"
	for file in `find $DIR -name *.lt.po`; do
		bfile=`basename $file`
		echo -n "Processing catalog $bfile... ";
		d=`echo "$bfile" | sed "s/.$LCODE.po//"`
		dirdomain=`echo wesnoth-$d | sed "s/wesnoth-wesnoth/wesnoth/"`
		$MSGMERGE --silent "$file" "$file" -o $file.temp
		mv $file.temp $file
		if [ -f "$BRANCH/$dirdomain/$LCODE.po" ]; then
			$MSGMERGE --silent "$BRANCH/$dirdomain/$LCODE.po" "$BRANCH/$dirdomain/$LCODE.po" -o "$BRANCH/$dirdomain/$LCODE.po.temp"
			if ! $DIFF -q "$file" "$BRANCH/$dirdomain/$LCODE.po.temp"  > /dev/null ; then
				mkdir "$LCODE-temp/$dirdomain"
				cp "$file" "$LCODE-temp/$dirdomain/$LCODE.po"
				echo -e $GREEN"OK"$ENDCOLOR
				counter=$(($counter+1))
			else
				echo -e $BLUE"Skipping"$ENDCOLOR
			fi
			rm "$BRANCH/$dirdomain/$LCODE.po.temp"
		else
			mkdir -p "$LCODE-temp/$dirdomain"
			cp "$file" "$LCODE-temp/$dirdomain/$LCODE.po"
			echo -e $GREEN"OK"$ENDCOLOR
			counter=$(($counter+1))
		fi
	done

	if [ -f "$LCODE-$BRANCH.tar.bz2" ]; then
	        echo "Removing old archive."
	        rm -f "$LCODE-$BRANCH.tar.bz2"
	fi

	if [ ! $counter -eq 0 ]; then
		cd $LCODE-temp
		$TAR --remove-files -cf ../$LCODE-$BRANCH.tar wesnoth*
		cd ..
		$BZIP2 --best $LCODE-$BRANCH.tar
		echo "New archive created."
	fi
	rmdir $LCODE-temp
done

echo -e $GREEN"Finished."$ENDCOLOR