#!/bin/sh
set -e

# where we find the distribution po hierarchy
BASEDIR=po

# if using a build directory other than source dir, set BUILDDIR to the
# po directory in the build directory
#BUILDDIR=testbuild/po
BUILDDIR=po

# 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 ! [ -r $BUILDDIR/$DSTDOMAIN/Makefile ]
then
    echo "Source not configured in $BUILDDIR/$DSTDOMAIN"
    exit 1
fi

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

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

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

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

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

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