#!/bin/bash
# Update translations from subversion repository and merge them
# 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 [ ! $SVN ]; then
	echo -e $RED"This program needs the svn utility."$ENDCOLOR
	exit 1
fi

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

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

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

echo -e "Language: $RED$LCODE"$ENDCOLOR
echo ""

if [ ! -z $TRUNK ]; then
	if [ -e $TRUNK/.svn ]; then
		echo -e "Updating repository: "$BLUE"trunk"
		cd $TRUNK
		$SVN update
		cd ..
	else
		echo -e "Checking out repository: "$BLUE"trunk"
		$SVN checkout "$REPO/$TRUNK/po" $TRUNK
	fi
	echo -e $ENDCOLOR
	if [ ! -e "$PREFIX-$TRUNK" ]; then
		mkdir "$PREFIX-$TRUNK"
	fi
fi

for BRANCH in $BRANCHES; do
  	if [ -e $BRANCH/.svn ]; then
		echo -e "Updating repository: $BLUE$BRANCH"
		cd $BRANCH
		$SVN update
		cd ..
	else
		echo -e "Checking out repository: $BLUE$BRANCH"
		$SVN checkout "$REPO/branches/$BRANCH/po" $BRANCH
	fi
	echo -e $ENDCOLOR
	if [ ! -e "$PREFIX-$BRANCH" ]; then
		mkdir "$PREFIX-$BRANCH"
	fi
done

for BRANCH in $TRUNK $BRANCHES; do
	SVNDIR=$BRANCH
	DIR="$PREFIX-$BRANCH"
	echo -e "Merging: $BLUE$BRANCH"$ENDCOLOR
	for dir in `ls $SVNDIR/wesnoth* -d`; do
		echo "Processing `basename $dir | sed s/wesnoth-//`.$LCODE.po"
		stat=`LC_MESSAGES=C $MSGFMT --statistics -o /dev/null "$dir/$LCODE.po" 2>&1`
		u=`echo "$stat" | sed -ne 's/.* \([0-9]\+\) untranslated .*/\1/p'`; u=${u:-0}
		f=`echo "$stat" | sed -ne 's/.* \([0-9]\+\) fuzzy translation.*/\1/p'`; f=${f:-0}
		file="$DIR/`basename $dir | sed s/wesnoth-//`.$LCODE.po"
		if [ -f $dir"/"$LCODE".po" ]; then
			if [ -f "$file" ]; then
				echo -e $BLUE"Merging:"$ENDCOLOR
				$MSGMERGE -U -v "$file" "$dir/`basename $dir`.pot"
				rm -f $file~
			else
				echo -e $RED"Copying:"$ENDCOLOR
				cp "$dir/$LCODE.po" "$file"
			fi
		else
			if [ ! -f $file ]; then
				echo -e $RED"No po file in repository. Running msginit."$ENDCOLOR
				echo "$dir"
				$MSGINIT -i "$dir/`basename $dir`.pot" -o $file
			else
				echo -e $RED"No po file in repository. Found file in workspace."$ENDCOLOR
			fi
		fi
		echo ""
	done
done
echo -e $GREEN"Finished."$ENDCOLOR