update-po

#!/bin/sh

# update-po -- update current .po files using .pot files.
#
# Copyright (c) 2015-2020 Boyuan Yang <073plan@gmail.com>
#
# This script is released into the Public Domain.
#
# Only a wrapper for msgmerge and msginit.

_MAN_LANG="zh_CN"

set -e

printf "%s\n" "# UPDATE-PO #######################"
for potitem in templates/*/man*/*.pot; do
    i="$(printf "%s" "$(basename "${potitem}")" | sed 's/....$//')" # "....$" -> ".pot$"
    echo "i is ${i}."
    poitem="po/$(dirname "${potitem}" | cut -d/ -f2- )/${i}.${_MAN_LANG}.po"
    rawitem="raw/$(dirname "${potitem}" | cut -d/ -f2- )/${i}"
    printf "%s\n" "now poitem is ${poitem}."
    mkdir -p "$(dirname "${poitem}")"
    if [ -e "${poitem}" ]; then
        printf "%s" "${i}"
        #msgmerge -U --strict "${poitem}" "${potitem}"
        #
        # NO, we don't use msgmerge anymore.
        # msgmerge cannot recognize comment styles, which causes problems.
        # we would directly use raw file.
        po4a-updatepo -f man -m "${rawitem}" -M utf8 -p "${poitem}" -o 'groff_code=translate'
    else
        (>&2 printf "%s does not exist, trying to create one..." "${i}.${_MAN_LANG}.po")
        msginit --no-translator -i "${potitem}" -o "${poitem}" -l "${_MAN_LANG}.UTF-8"
    fi
done

cd ./po; find . -name "*.po" -exec sed -i -e '/^# File:/d' {} \;
printf "%s\n" "# UPDATE-PO ### END ###############"