update

#! /bin/bash

# Kunststube\POTools .pot to .po file updater.
# Takes two parameters: path to a locale directory
# and name of the master locale. Merges all .pot files
# of the master locale into equivalent .po files
# of all other locales.

if [ $# -ne 2 ]
    then
        echo "Missing parameters. Usage:"
        echo
        echo "   $0 <path-to-locale-dir> <master-locale>"
        echo
        exit 1
fi

LOCALEDIR="$1"
MASTERLOCALE="$2"

if [ ! -d "$LOCALEDIR" ]
    then
        echo "Error: Directory '$LOCALEDIR' not found"
        echo
        exit 1
fi

if [ ! -d "$LOCALEDIR/$MASTERLOCALE" ]
    then
        echo "Error: Directory '$LOCALEDIR/$MASTERLOCALE' not found"
        echo
        exit 1
fi

MASTERLOCALEDIR="$LOCALEDIR/$MASTERLOCALE"
POTFILES=( $(find "$MASTERLOCALEDIR" -type f -name "*.pot") )

echo "Found ${#POTFILES[@]} master locale files in '$MASTERLOCALEDIR':"
echo ${POTFILES[@]//$MASTERLOCALEDIR\/}
echo

LOCALES=( $(find -H "$LOCALEDIR" -type d -depth 1 \! -name "$MASTERLOCALE" \! -name ".*") )

echo "Found ${#LOCALES[@]} locale(s) in '$LOCALEDIR':"
echo ${LOCALES[@]//$LOCALEDIR\/}
echo

for locale in "${LOCALES[@]}"
do
    echo "Processing ${locale#$LOCALEDIR\/}..."
    echo
    
    for potFile in "${POTFILES[@]}"
    do
        poFile="$locale/${potFile#$MASTERLOCALEDIR\/}"
        poFile="${poFile%t}"
        
        if [ ! -f $poFile ]
            then
                echo "Equivalent '$poFile' for '$potFile' does not exist, please initialize it first."
                echo "Skipping..."
                echo
                continue
        fi
        
        echo "Merging $potFile -> $poFile..."
        msgmerge -Uv --previous --no-wrap "$poFile" "$potFile"
        echo
    done

done