#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
#    \\/     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 3 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, see <http://www.gnu.org/licenses/>.
#
# Script
#     wmakeFindEmptyMake
#
# Description
#     Find 'Make/' directories without 'files' or 'options'.
#     These typically correspond to (partially) removed applications.
#
#------------------------------------------------------------------------------
usage() {
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    cat<<USAGE

usage: ${0##*/} [dir1 .. dirN]

    Find 'Make/' directories without 'files' or 'options'.
    These typically correspond to (partially) removed applications.

USAGE
    exit 1
}

#------------------------------------------------------------------------------
findName=lnInclude

# simple parse options
while [ "$#" -gt 0 ]
do
    case "$1" in
    -h | -help)   # provide immediate help
        usage
        ;;
    -*)
        usage "unknown option: '$*'"
        ;;
    *)
        break
        ;;
    esac
done


# default to searching from pwd
[ "$#" -gt 0 ] || set -- .

for checkDir
do
    if [ -d $checkDir ]
    then
        echo "searching: $checkDir for 'Make' directories without 'files' or 'options'" 1>&2
        echo "---------" 1>&2
    else
        echo "skipping non-dir: $checkDir" 1>&2
        echo "----------------" 1>&2
        continue
    fi

    find $checkDir -depth -type d -name Make -print | while read MakeDir
    do
        [ -f "$MakeDir/files" -o -f "$MakeDir/options" ] || echo $MakeDir
    done
done

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