update-po

#!/bin/bash
#
# To generate a .pot (translation template) file from POTFILES.in:
# > xgettext --output=messages.pot --files-from=po/POTFILES.in
#
# To generate a .po (translation file) from the .pot template:
# > msginit --input=po/messages.pot --output-file=po/es.po --locale=es
#
# To update an existing .po translation file from the .pot template:
# > msgmerge --update po/es.po po/messages.pot
#


# TODO: move ./po -> ./languages
PO_DIR=./po
PLUGIN_INPUT=system/sdprompt-viewer.plugin.desktop.in
COMMAND="$1"
LOCALE="$2"

xgettext --language=Desktop --keyword=Description --output="$PO_DIR/messages.pot" "$PLUGIN_INPUT"
xgettext -join-existing --keyword=_ --output="$PO_DIR/messages.pot" --files-from="$PO_DIR/POTFILES.in"

if [[ $COMMAND == 'create' ]]; then
    [[ -z "$LOCALE" ]] && echo "locale missing" && exit 1
    msginit --input="$PO_DIR/messages.pot" --output-file="$PO_DIR/$LOCALE.po" --locale=$LOCALE
else
    for file in "$PO_DIR"/*.po; do
      msgmerge --update "$file" "$PO_DIR/messages.pot"
    done
fi

rm "$PO_DIR/messages.pot"