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#!/bin/sh
# $Id$
# Public domain.  Originally written 2009, Norbert Preining.
# 
# Update the master messages.pot catalog and merge the result into the
# respective .po files.

mydir=`cd \`dirname $0\` && /bin/pwd`
Master=`cd $mydir/../.. && /bin/pwd`
transdir=$Master/tlpkg/translations
tmpfile=$Master/tlpkg/translations/shortdesc.pl

cd $Master || exit 1
cp $transdir/messages.pot $transdir/messages.prev || exit 1
sed -n 's/^shortdesc \(.*\)/__("\1");/p' \
    tlpkg/tlpsrc/scheme-*.tlpsrc \
    tlpkg/tlpsrc/collection-*.tlpsrc \
    >$tmpfile || exit 1
#
cat install-tl >>$tmpfile
#
# rely on file extensions for source language identification
xgettext -o tlpkg/translations/messages.pot	\
	--copyright-holder="TeX Live Team"	\
	--msgid-bugs-address=tex-live@tug.org	\
	--package-version=2021			\
	--package-name="TeX Live"		\
        -k__ -k\$__ -k%__ -k__x -k__n:1,2 -k__nx:1,2 -k__xn:1,2 -kN__ -k  \
       tlpkg/installer/tracked-install.pl \
       tlpkg/installer/install-menu-wizard.pl \
       tlpkg/installer/install-menu-perltk.pl \
       texmf-dist/scripts/texlive/tlmgrgui.pl \
       tlpkg/installer/install-tl-gui.tcl \
       tlpkg/tltcl/tltcl.tcl \
       texmf-dist/scripts/tlshell/tlshell.tcl \
       $tmpfile || { echo "$0: xgettext failed, goodbye." >&2; exit 1; }

cd $transdir || exit 1
failed=0

tmpa=`mktemp`
tmpb=`mktemp`
sed /POT-Creation-Date:/d <messages.prev >$tmpa
sed /POT-Creation-Date:/d <messages.pot >$tmpb

if cmp -s $tmpa $tmpb; then
  echo "$0: no msg changes."
  mv messages.prev messages.pot
else
  # we get here only if there have been changes.
  for i in *.po; do
    printf "$i "
    msgmerge --backup=none --no-fuzzy-matching --update $i messages.pot
    if test $? -ne 0; then
      echo "$0: msgmerge failed: $i" >&2
      failed=1
    fi
  done
fi

rm $tmpfile $tmpa $tmpb 
test -r messages.prev && rm messages.prev

if test "$failed" != 0; then
  echo "$0: exiting with bad status $failed." >&2
fi

exit $failed