#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2014-2015 OpenFOAM Foundation
#    \\/     M anipulation  | Copyright (C) 2017 OpenCFD Ltd.
#-------------------------------------------------------------------------------
# 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
#     wdep
#
# Usage
#     wdep <file>
#     cat `wdep <file>`
#
# Description
#     Find the .dep file corresponding to <file> and print the path.
#     If <file> is not in the current directory the tree is searched for
#     the first occurrence.
#
#------------------------------------------------------------------------------
Script=${0##*/}             # Use 'Script' for error messages in wmakeFunctions
. ${0%/*}/scripts/wmakeFunctions        # Source wmake functions

usage() {
    exec 1>&2
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    cat<<USAGE

Usage: $Script <file>

Find the dep-file corresponding to <file> in the current directory
and print the path.

USAGE
    exit 1
}


#------------------------------------------------------------------------------
# Parse arguments and options
#------------------------------------------------------------------------------

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

if [ $# -eq 0 ]
then
    echo "$Script: no source file specified" 1>&2
    exit 1
fi

# Check environment variables
checkEnv

sourceFile=$1

#------------------------------------------------------------------------------
# Check <file> is in the current directory,
# otherwise search tree for first occurrance
#------------------------------------------------------------------------------

if [ ! -e "$sourceFile" ]
then
    sourceFile=$(find . -name "$sourceFile" -print -quit)
    if [ -z "$sourceFile" ]
    then
        echo "$Script: cannot find source file $1" 1>&2
        exit 1
    fi
fi

#------------------------------------------------------------------------------
# Search up directories tree for the Make sub-directory containing dep files
# and echo path for the dep file corresponding to the specified source file
#------------------------------------------------------------------------------

echo "$(findObjectDir $sourceFile)/${sourceFile##*/}.dep"

exit 0 # clean exit

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