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#! /bin/sh

#  debconf-updatepo  - update PO files with Debconf templates files content
#  Copyright (C) 2002-2005  Denis Barbier <barbier@debian.org>
#
#  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 2 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, write to the
#  Free Software Foundation, Inc.,
#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
#   This script is part of po-debconf

: ${PODEBCONF_LIB=/usr/share/intltool-debian}
INTLTOOL_EXTRACT=${PODEBCONF_LIB}/intltool-extract
export INTLTOOL_EXTRACT

#  See intltool-extract
INTLTOOL_DEBIAN_TYPE=po-debconf
export INTLTOOL_DEBIAN_TYPE

#   Prevent automatic conversion to UTF-8 by Perl
unset LANGUAGE LANG LC_ALL LC_CTYPE

help=
verbose=
podir=
skip_pot=
skip_merge=
msgid_bugs_address=

for option
do
        if [ -n "$prev" ]; then
                eval "$prev=\$option"
                prev=
                shift
                continue
        fi
        optarg=$(expr "x$option" : 'x[^=]*=$.*$')
        case $option in
            -h | --h | --help )
                help=1 ;;
            -v | --v | --verbose )
                verbose=--verbose ;;
            --podir )
                prev=podir ;;
            --podir=* )
                podir=$optarg ;;
            --skip-merge )
                skip_merge=1 ;;
            --skip-pot )
                skip_pot=1 ;;
            --msgid-bugs-address=* )
                msgid_bugs_address=$optarg ;;
            -* )
                echo "$0: unknown option: $option ...exiting" 1>&2
                exit 1 ;;
            * ) break ;;
        esac
        shift
done

if [ -n "$help" ]; then
        cat <<EOT 1>&2
Usage: debconf-updatepo [OPTIONS]
Options:
  -h,  --help          display this help message
  -v,  --verbose       enable verbose mode
       --podir=DIR     specify PO directory (searched by default in
                       debian/po, ./po and ../po)
       --skip-pot      do not generate a new templates.pot file
       --skip-merge    do not merge PO files with templates.pot
       --msgid-bugs-address=EMAIL
                       specify an email address for POT's
                       Report-Msgid-Bugs-To field
EOT
        exit 0
fi

[ -n "$podir" ] || {
        for d in ../po po debian/po
        do
                [ -d $d ] && podir=$d
        done
}
[ -n "$podir" ] || {
        echo "No PO directory found, use the --podir flag to tell where it is... exiting" 1>&2
        exit 1
}
[ -d "$podir" ] || {
        echo "Directory $podir does not exist... exiting" 1>&2
        exit 1
}
[ -f "$podir/POTFILES.in" ] || {
        echo "File $podir/POTFILES.in does not exist... exiting" 1>&2
        exit 1
}

[ -n "$verbose" ] && echo "PO directory is $podir" 1>&2

cd "$podir"
domain=templates
[ -f debian.pot ] && domain=debian

if [ -z "$skip_pot" ]; then
        if [ -z "$msgid_bugs_address" ] && [ -r "../control" ]; then
                source_package=$(LC_ALL=C grep "^Source:" ../control |
                                          sed -e 's/.*:\s\+//' -e 1q)
                if [ -n "$source_package" ]; then
                        msgid_bugs_address="$source_package@packages.debian.org"
			package_name="$source_package"
                        export XGETTEXT_ARGS
                fi
        fi
        if [ -n "$msgid_bugs_address" ]; then
                #  intltool-update accepts XGETTEXT_ARGS since intltool-debian 0.34.1
                XGETTEXT_ARGS="--msgid-bugs-address=\"$msgid_bugs_address\" --package-name=\"$source_package\""
                export XGETTEXT_ARGS
        fi
        "$PODEBCONF_LIB/intltool-update" $verbose --gettext-package=$domain --pot || exit 1
fi

if [ -z "$skip_merge" ]; then
        for lang in *.po
        do
                [ "x$lang" = "x*.po" ] && break
                [ -n "$verbose" ] && printf "Merging $lang with $domain.pot... " 1>&2
                msgmerge --backup=none --previous -q -U $lang $domain.pot
                [ -n "$verbose" ] && msgfmt -v -o /dev/null $lang
        done
fi

rm -f messages.mo 2>/dev/null

exit 0

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