#!/bin/bash
######################################################################
#
#   tcar - The CentOS Artwork Repository automation tool.
#   Copyright © 2014 The CentOS Artwork SIG
#
#   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., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#   Alain Reguera Delgado <al@centos.org.cu>
#   39 Street No. 4426 Cienfuegos, Cuba.
#
######################################################################

# Retrieve translatable strings from shell scripts files. Normally,
# this function takes the file provided as argument in the
# command-line and creates a list of all files that share the same
# file extension in the same directory structure and retrieve
# translation messages from it.  Translation messages are stored in a
# PO file for each supported language under the Locales directory. In
# case the --recursive option is also provided, the list of files to
# process is build recursively.
function sh {

    # Verify existence and type of file being processed.
    tcar_checkFiles -efi 'application/x-shellscript' "${RENDER_FROM}"

    local FILES=''
    local DIRECTORY=$(dirname ${RENDER_FROM})

    # Build list of all script files that xgettext will look for
    # translatable strings inside. By default only scripts in the
    # current directory will be looked out.
    if [[ ${LOCALE_FLAG_RECURSIVE} == 'true' ]];then
        FILES=$(tcar_getFilesList -t 'f' -p '.+\.sh$' "${DIRECTORY}")
    else
        FILES=$(tcar_getFilesList -i '1' -a '1' -t 'f' -p '.+\.sh$' "${DIRECTORY}")
    fi

    # Verify found files existence and type before processing them.
    tcar_checkFiles -efi 'application/x-shellscript' "${FILES}"

    # Retrieve translatable strings from shell script files and create
    # the portable object template (.pot) from them.
    xgettext --output=${POT_FILE} --width=70 \
        --package-name=${PACKAGE_NAME} \
        --package-version=${PACKAGE_VERSION} \
        --msgid-bugs-address="centos-l10n-${TCAR_SCRIPT_LANG_LL}@centos.org.cu" \
        --sort-by-file ${FILES}

    # When there is not any translatable string to retrieve from file,
    # the POT file is not created. Be aware of this when retrieving
    # translatable strings from several files (e.g., you are
    # processing a directory full of svgz files, but some of them have
    # no translatable string inside).
    if [[ ! -f ${POT_FILE} ]];then
        return
    fi

    # Verify, initialize or update portable objects from portable
    # object templates.
    update_convertPotToPo "${POT_FILE}" "${PO_FILE}"

    # At this point some changes might be realized inside the PO file,
    # so we need to update the related MO file based on recently
    # updated PO files here in order for `centos-art.sh' script to
    # print out the most up to date revision of localized messages.
    # Notice that this is required only if we were localizing shell
    # scripts because xml-based files don't need the MO files.
    update_convertPoToMo

}