#!/bin/sh
set -e

# copy relevant messages from SRCDOMAIN to DSTDOMAIN, for LANG

if [ $# -lt 2 ]
then
    echo "Usage: $0 src-domain dst-domain [lang ...]"
    exit 1
fi

SRCDOMAIN=$1
DSTDOMAIN=$2
shift
shift

if [ $# = 0 ]
then
    set -- `cat po/$SRCDOMAIN/LINGUAS`
fi

tmp=`tempfile`
for LANG in "$@"
do
    # merge the 2 files
    msgcat -F po/$DSTDOMAIN/$LANG.po po/$SRCDOMAIN/$LANG.po >$tmp
    mv po/$DSTDOMAIN/$LANG.po po/$DSTDOMAIN/$LANG.po.bak
    mv $tmp po/$DSTDOMAIN/$LANG.po

    # sync with DST pot
    touch -d '1970-01-02' po/$DSTDOMAIN/$LANG.po
    make -C po/$DSTDOMAIN $LANG.po

    # clear those obsolete strings added by SRC, but keep ours if any
    msgattrib --no-obsolete po/$DSTDOMAIN/$LANG.po >$tmp
    msgcat --use-first -F $tmp po/$DSTDOMAIN/$LANG.po.bak > po/$DSTDOMAIN/$LANG.po

    touch -d '1970-01-02' po/$DSTDOMAIN/$LANG.po
    make -C po $DSTDOMAIN/$LANG.po

    # make sure the timestamp is fixed or cvs gets confused
    touch po/$DSTDOMAIN/$LANG.po
done
rm $tmp