#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 1991-2008 OpenCFD Ltd.
#    \\/     M anipulation  |
#-------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM.
#
#     OpenFOAM is free software; you can redistribute it and/or modify it
#     under the terms of the GNU General Public License as published by the
#     Free Software Foundation; either version 2 of the License, or (at your
#     option) any later version.
#
#     OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
#     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
#     FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
#     for more details.
#
#     You should have received a copy of the GNU General Public License
#     along with OpenFOAM; if not, write to the Free Software Foundation,
#     Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# Script
#     foamPackDoxygen [-prefix DIR] [-o outputDir]
#
# Description
#     Packs and compresses the OpenFOAM doxygen html for release
#
#------------------------------------------------------------------------------
packDir=$WM_PROJECT-$WM_PROJECT_VERSION
packTag=_Doxygen.gtgz

usage() {
cat <<USAGE 1>&2
Usage: ${0##*/} [-prefix DIR] [-o outputDir]

    Packs and compresses the OpenFOAM doxygen html for release

USAGE
   exit 1
}

unset prefix outputDir

while [ "$#" -gt 0 ]
do
   case $1 in
   -prefix | --prefix )
      prefix=${2%%/}
      shift 2
      ;;
   -o | -output )
      outputDir=${2%%/}
      shift 2
      ;;
   -h | -help )
      usage
      ;;
   -*)
      usage "unknown option: '$*'"
      ;;
   esac
done

# if packing from within the directory, use -prefix form
if [ "${PWD##*/}" = "$packDir" ]
then
   : ${prefix:=$packDir}
fi

# pack the directories directly and add prefix afterwards
if [ -n "$prefix" ]
then
   packDir="$prefix"
elif [ ! -d $packDir ]
then
   echo "Error: directory $packDir does not exist"
   exit 1
fi

#
# add optional output directory
#
if [ -d "$outputDir" ]
then
   packFile="$outputDir/$packDir$packTag"
else
   packFile="$packDir$packTag"
fi


if [ -f $packFile ]
then
   echo "Error: $packFile already exists"
   exit 1
fi

# Pack and compress the packFile using GNU tar
# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
echo
echo "Packing doxygen html into $packFile"
echo

if [ -n "$prefix" ]
then
   tar czpf $packFile --transform="s@^@$prefix/@" doc/Doxygen/html
else
   tar czpf $packFile $packDir/doc/Doxygen/html
fi

if [ $? = 0 ]
then
   echo "Finished packing doxygen html into file $packFile"
else
   echo "Error: failure packing doxygen html file $packFile"
fi

#------------------------------------------------------------------------------