#!/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 variables

if [ ! $SVN ]; then
	echo -e "\E[31mThis program needs the svn utility."; tput sgr0
	exit 1
fi

if [ ! $MSGFMT ]; then
	echo -e "\E[31mThis program needs the msgfmt utility."; tput sgr0
	exit 1
fi

if [ ! $MSGMERGE ]; then
	echo -e "\E[31mThis program needs the msgmerge utility."; tput sgr0
	exit 1
fi

if [ ! $MSGINIT ]; then
	echo -e "\E[31mThis program needs the msginit utility."; tput sgr0
	exit 1
fi

if [ $GIT -eq 1 ] && [ ! $GITSVN ]; then
	echo -e "\E[31mgit-svn is unavailable. svn will be used."; tput sgr0
	GIT=0
fi

if [ $GIT -eq 1 ] && [ $GITSVN ]; then
	SVN="$GITSVN clone"
fi

echo -e "Language: \E[31m$LCODE"; tput sgr0
echo ""

if [ ! -z $TRUNK ]; then
	if [ -e $TRUNK/.git ] || [ -e $TRUNK/.svn ]; then
		echo -e "Updating repository: \E[34mtrunk"
		cd $TRUNK
		if [ $GIT -eq 1 ]; then
			$GITSVN fetch
			$GITSVN rebase
		else
			$SVN update
		fi
		cd ..
	else
		echo -e "Downloading repository: \E[34mtrunk"
		if [ $GIT -eq 1 ]; then
			SVN="$GITSVN clone"
		else
			SVN="$SVN checkout"
		fi
		$SVN "$REPO/$TRUNK/po" $TRUNK
	fi
	tput sgr0
	if [ ! -e "$PREFIX-$TRUNK" ]; then
		mkdir "$PREFIX-$TRUNK"
	fi
fi

for BRANCH in $BRANCHES; do
  	if [ -e $BRANCH/.git ] || [ -e $BRANCH/.svn ]; then
		echo -e "Updating repository: \E[34m$BRANCH"
		cd $BRANCH
		if [ $GIT -eq 1 ]; then
		  	$GITSVN fetch
			$GITSVN rebase
		else
			$SVN update
		fi
		cd ..
	else
		echo -e "Downloading repository: \E[34m$BRANCH"
		if [ $GIT -eq 1 ]; then
			SVN="$GITSVN clone"
		else
			SVN="$SVN checkout"
		fi
		$SVN "$REPO/branches/$BRANCH/po" $BRANCH
	fi
	tput sgr0
	if [ ! -e "$PREFIX-$BRANCH" ]; then
		mkdir "$PREFIX-$BRANCH"
	fi
done

for BRANCH in $TRUNK $BRANCHES; do
	SVNDIR=$BRANCH
	DIR="$PREFIX-$BRANCH"
	echo -e "Merging: \E[34m$BRANCH"; tput sgr0
	for dir in `ls $SVNDIR/wesnoth* -d`; do
		echo "Processing "`basename $dir`"."$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 $dir`"."$LCODE".po"
		if [ -f $dir"/"$LCODE".po" ]; then
			if [ $(($u+$f)) == 0 ]; then
				echo -e "\E[32mFile is translated."; tput sgr0
				if [ -f $DIR"/"`basename $dir`"."$LCODE".po" ]; then
					echo -e "\E[32mRemoving from $DIR."; tput sgr0
					rm -f $file
				fi
			else
				if [ -f "$DIR/"`basename $dir`".$LCODE.po" ]; then
					echo -e "\E[34mMerging:"; tput sgr0
					$MSGMERGE -U -v $file $dir"/"`basename $dir`".pot"
					rm -f $file~
				else
					echo -e "\E[31mCopying:"; tput sgr0
					cp $dir"/"$LCODE".po" $file
				fi
			fi
		else
			if [ ! -f $file ]; then
				echo -e "\E[31mNo po file in repository. Running msginit."; tput sgr0
				echo "$dir"
				$MSGINIT -i "$dir/`basename $dir`.pot" -o $file
			else
				echo -e "\E[31mNo po file in repository. Found file in workspace."; tput sgr0
			fi
		fi
		echo ""
	done
done
echo -ne "\E[32mFinished."; tput sgr0; echo " "