update-pot

#!/bin/sh
#
# update-pot -- Update pot file from upstream man page.
#
# Copyright (c) 2015-2020 Boyuan Yang <073plan@gmail.com>
#
# This script is released into the Public Domain.
#
#
# Upstream man pages should be extracted into subdirs inside "raw/" directory
# in advance.
#
# If no pot files were found, this script should do things like "gettextize"
# using po4a-gettextize.
#
# Directories:
# ------------
# * raw/
# * templates/
# * po/
#

POT_DIR="templates"

set -e

logv() {
    printf "%s\n" "$1"
}

test_po4a() {
    if ! command -v po4a-updatepo > /dev/null 2> /dev/null ; then
        logv "E: You must install po4a before proceeding!"
        exit 1
    fi
}

test_po4a
printf "%s\n" "# UPDATE-POT ###############################"
for pkgdir in raw/*; do
    if ! [ -d "${pkgdir}" ]; then
        logv "${pkgdir} not a dir, skipping..."
        continue
    fi
    logv "found dir ${pkgdir}..."
    for mansection in 1 2 3 4 5 6 7 8; do
        _rawmandir="${pkgdir}/man${mansection}"
        if ! [ -e "${_rawmandir}" ]; then
            continue
        fi
        for manfile in "${_rawmandir}"/*; do
            if [ -L "${manfile}" ]; then
                continue
            fi

            # Now $manfile is the one needs process
            _package_name="$(basename "${pkgdir}")"
            _section_name="${mansection}"
            _command_name="$(basename "${manfile}" | rev | cut -d"." -f2- | rev)"
            logv "pkgname: ${_package_name}, section: ${_section_name}, command: ${_command_name}"

            # TODO FINISH ME
            _potfile="${POT_DIR}/${_package_name}/man${_section_name}/$(basename "${manfile}").pot"
            mkdir -p "$(dirname "${_potfile}")"
            #if ! [ -e "${_potfile}" ]; then
            #    po4a-gettextize -f man -m "${manfile}" -p "${_potfile}"
            #    logv "New pot file ${_potfile} created."
            #else
            #fi
            po4a-updatepo -f man -m "${manfile}" -M utf8 -p "${_potfile}" -o 'groff_code=translate'
            if [ "x$?" != "x0" ]; then
                logv "W: po4a exited with status code ${?}."
            fi
            logv "Processed ${_potfile}..."

        done
    done
done
printf "%s\n" "# UPDATE-POT ### END ##########################"