#!/bin/sh
#
# Script for switching a given language to the "single file" model
# (using only one file in packages/po)
#
# This should only be used ONCE for a given language
#
# Switching to multipld files omdel only need to remove the file
# in packages/po

usage() {
echo  "Usage:"
echo  "$0 <lang> <D-I repository path>"
}

if [ -z "$2" ]
then
  usage
  exit 1
fi

LANG=$1
DI_COPY=$2

# A few checks about the D-I copy directory
if [ ! -d $DI_COPY ] ; then
  echo $DI_COPY does not exist
  exit 1
fi

if [ ! -d $DI_COPY/.svn ] ; then
  echo No $DI_COPY/.svn directory found
  echo $DI_COPY may not be a copy of Debian Installer SVN repository
  exit 1
fi

if [ ! -f $DI_COPY/packages/languagechooser/debian/po/$LANG.po ] ; then
  echo No translation found for languagechooser in $LANG
  echo Are you sure that $LANG is an existing D-I translation?
  exit 1
fi

cd $DI_COPY/packages
if [ ! -x $DI_COPY/scripts/l10n/gettext-helper ] ; then
  echo $DI_COPY/scripts/l10n/gettext-helper not found
  echo Please check your repository or report this as a bug
  exit 1
fi

echo Synchronising repository
svn up

if [ ! -f $DI_COPY/packages/po/$LANG.po ] ; then
  echo Running gettext-helper:
  $DI_COPY/scripts/l10n/gettext-helper export $LANG
fi

if [ ! -f po/$LANG.po ] ; then
  echo No po/$LANG.po generated
  echo Please read the above messages and check the $LANG translations
  echo If everything is OK, please report as a bug
  exit 1
fi

echo Getting Last-Translator for languagechooser
TSL=`grep "Last-Translator:" $DI_COPY/packages/languagechooser/debian/po/$LANG.po |cut -f2 -d: |sed 's/\\\\n\\"//g'`
echo $TSL
echo Fixing Last-Translator
cat po/$LANG.po | sed "s/Last-Translator:.*/Last-Translator: $TSL\\\\n\"/g" >po/$LANG.po.new
mv po/$LANG.po.new po/$LANG.po

echo Getting Language-Team for languagechooser
TEAM=`grep "Language-Team:" $DI_COPY/packages/languagechooser/debian/po/$LANG.po |cut -f2 -d: |sed 's/\\\\n\\"//g; s,/,\\\\/,g'`
echo $TEAM
echo Fixing Language-Team
cat po/$LANG.po | sed "s/Language-Team:.*/Language-Team: $TEAM\\\\n\"/g" >po/$LANG.po.new
mv po/$LANG.po.new po/$LANG.po

echo Committing new file
svn add po/$LANG.po
svn commit -m"[switch-language] Added master file for $LANG" po/$LANG.po

echo Launching l10n-sync with the keep-revision switch
$DI_COPY/scripts/l10n/l10n-sync --keep-revision=$LANG --commit $DI_COPY