#!/bin/sh
#-------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2008-2010 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
#     foamCopySettings
#
# Description
#     Usage: foamCopySettings srcDir dstDir
#
#     Copy OpenFOAM settings from one case to another, without copying
#     the mesh or results
#     - requires rsync
#
# Note
#     The foamCopySettings.rc (found with the ~OpenFOAM expansion) can be used
#     to add any custom rsync options.
#-------------------------------------------------------------------------------
Script=${0##*/}
if [ "$1" = "-h" -o "$1" = "-help" -o "$#" -ne 2 ]
then
    cat <<USAGE 1>&2
Usage: $Script srcDir dstDir

    Copy OpenFOAM settings from one case to another, without copying
    the mesh or results.
    - requires rsync

Note
    The $Script.rc (found via the ~OpenFOAM expansion - see foamEtcFile)
    can be used to add any custom rsync options.

USAGE
    exit 1
fi

srcDir=${1%/}
dstDir=${2%/}

for i in $srcDir $dstDir
do
    [ -d "$i" ] || { echo "Error: directory '$i' does not exist"; exit 1; }
done

# check that the srcDir looks okay
for i in $srcDir/constant $srcDir/system
do
    if [ ! -d "$i" ]
    then
        echo "Error: no '${i##*/}' directory in '$srcDir'"
        echo "       does not appear to be an OpenFOAM case"
        exit 1
    fi
done

# files and directories to copy
# avoid processor directories here too to make for cleaner output
fileList=$(find -H $srcDir -mindepth 1 -maxdepth 1 -not -name "processor*")

# avoid polyMesh and processor* directories
rsync="rsync --exclude polyMesh --exclude processor*"

#
# get any extra user options
# extract lines starting with '--longOption'
#
if rcFile=$(foamEtcFile $Script.rc)
then
    rsync="$rsync "$(sed -ne '/^ *--/p' $rcFile | tr '\n' ' ')
fi


# TODO:
#  - verify that it works with multiple mesh regions
#  - special treatment for starting with negative crank angles


echo
echo "synchronizing with"
echo "    $rsync"
echo

for i in $fileList
do
    name="${i##*/}"
    # skip numerical (results) directories (except 0)
    # and things that look like log files or queuing system output
    case "$name" in
    ( [1-9] | [0-9]?* | log | *.log | foam.[eo][1-9]* )
        echo "$i  [skipped]"
        continue
        ;;
    # skip things that look sampled directories and converted data
    ( probes | sets | surfaces | En[Ss]ight )
        echo "$i  [skipped]"
        continue
        ;;
    (*)
        echo "$i -> $dstDir/$name"
        $rsync -a $i $dstDir
        ;;
    esac
done

# ------------------------------------------------------------------ end-of-file