#!/bin/sh

# Shell script to download the latest translations for a given GStreamer

# package from translationproject.org

# DOMAINS based on http://translationproject.org/extra/matrix.html

# We need to check all domains, not only po/LINGUAS, since there might be

# new translations

DOMAINS=\

"af am ar ast az be bg pt_BR bs ca zh_CN cs cy da de el eo es et eu fa fi fr fur "\

"ga en_GB gl gu he hi zh_HK hr hu id is it ja ko ku ky lg lt lv mk mn ms "\

"mt nb ne nl nn or pa pl pt rm ro ru rw sk sl sq sr sv ta tq th tk "\

"tr zh_TW uk ven vi wa xh zu"

# for testing/debugging:

#DOMAINS="es fr hu sv pl xx"

# check for 'diff' program

diff --version 2>/dev/null >/dev/null

if [ ! $? ]; then

  echo "==== You must have the 'diff' program installed for this script ===="

  exit 1

fi

# check for 'wget' program

wget --version 2>/dev/null >/dev/null

if [ ! $? ]; then

  echo "==== You must have the 'wget' program installed for this script ===="

  exit 1

fi

# make sure we're in the top-level directory

if [ ! -d ./po ]; then

  echo "==== No ./po directory in the current working directory ===="

  exit 1

fi

# make sure a package argument was passed to us

if [ -z "$1" ]; then

  echo "Usage: $0 PACKAGE, e.g. $0 gst-plugins-good"

  exit 1

fi

if test "$1" != "gstreamer" -a \

        "$1" != "gst-plugins-base" -a \

        "$1" != "gst-plugins-good" -a \

        "$1" != "gst-plugins-ugly" -a \

        "$1" != "gst-plugins-bad"; then

  echo "Unexpected package '$1' ?!"

  exit 1

fi

PACKAGE="$1"

DOMAINS_TO_ADD=""

DOMAINS_UPDATED=""

DOMAINS_NOT_IN_LINGUAS=""

echo "Downloading latest translation files for package $PACKAGE ..."

echo

for d in $DOMAINS

do

  PACKAGE_PO_URL_BASE="http://translationproject.org/latest/$PACKAGE"

  PO_URL="$PACKAGE_PO_URL_BASE/$d.po"

  PO_FILENAME="$PACKAGE.$d.po"

  if wget -q -nc -O $PO_FILENAME $PO_URL; then

    # we want all .po files in UTF-8 format really, so convert if needed..

    CHARSET=`grep Content-Type $PO_FILENAME | sed -e 's/.*charset=\(.*\)\\\\n.*/\1/'`

    if test "x$CHARSET" != "xUTF-8" -a "x$CHARSET" != "xutf-8"; then

      # note: things like the bugs address will be added back by make update-po

      if msguniq $PO_FILENAME --no-location \

                              --output-file=$PO_FILENAME.utf8 \

                              --to-code=UTF-8; then

        mv $PO_FILENAME.utf8 $PO_FILENAME

      else

        echo "**** $d: conversion from $CHARSET to UTF-8 failed ****"

      fi

    fi

    if [ -f "po/$d.po" ]; then

      # ./po/foo.po exists, so let's check if ours matches the latest from the

      # translation project website

      REVDATE_NEW=`grep PO-Revision-Date $PO_FILENAME`;

      REVDATE_OLD=`grep PO-Revision-Date po/$d.po`;

      CHARSET_OLD=`grep Content-Type po/$d.po | sed -e 's/.*charset=\(.*\)\\\\n.*/\1/'`

      if test "x$REVDATE_NEW" = "x$REVDATE_OLD" -a "x$CHARSET_OLD" = "xUTF-8"; then

        # note: source code line markers will be removed later by make upload-po

        echo "$d.po: up-to-date"

        rm -f $PO_FILENAME

      else

        mv $PO_FILENAME "po/$d.po"

        if test "x$CHARSET_OLD" != "xUTF-8" -a "x$CHARSET_OLD" != "xutf-8"; then

          echo "$d.po: update (and charset converted from $CHARSET_OLD to UTF-8)"

        else

          echo "$d.po: updated"

        fi

        DOMAINS_UPDATED="$DOMAINS_UPDATED $d"

      fi

      # make sure domain is listed in LINGUAS

      if ! grep $d "po/LINGUAS" >/dev/null 2>/dev/null; then

        DOMAINS_NOT_IN_LINGUAS="$DOMAINS_NOT_IN_LINGUAS $d"

      fi

    else

      # ./po/foo.po doesn't exist, but foo.po exists on the translation project

      # website, so it's probably a new translation

      echo "$d.po: new language"

      mv $PO_FILENAME "po/$d.po"

      DOMAINS_UPDATED="$DOMAINS_UPDATED $d"

      DOMAINS_TO_ADD="$DOMAINS_TO_ADD $d"

    fi

  else

    rm -f $PO_FILENAME

    echo "$d.po: failure (does probably not exist)"

  fi

done

if [ -n "$DOMAINS_UPDATED" ]; then

  echo "===================================================================="

  echo

  echo "Language domains updated    :$DOMAINS_UPDATED"

  echo "Language domains to git add :$DOMAINS_TO_ADD"

  echo

  echo "Source: http://translationproject.org/latest/$PACKAGE/"

  echo

  if [ -n "$DOMAINS_TO_ADD" ]; then

    CMD_STRING="git add"

    for d in $DOMAINS_TO_ADD; do

      CMD_STRING="$CMD_STRING po/$d.po"

    done

    echo "Please run"

    echo

    echo "  $CMD_STRING"

    echo

    echo "now and add the following domains to the po/LINGUAS file:"

    echo

    echo "  $DOMAINS_TO_ADD"

    echo

    echo

  fi

  echo "===================================================================="

fi

if [ -n "$DOMAINS_NOT_IN_LINGUAS" ]; then

  echo

  echo "Existing domains missing from the po/LINGUAS file:"

  echo

  echo "  $DOMAINS_NOT_IN_LINGUAS"

  echo

  echo

fi