po2po

#!/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/LINGUAS`
fi

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

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

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

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