#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | www.openfoam.com
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
#     Copyright (C) 2014-2015 OpenFOAM Foundation
#     Copyright (C) 2017-2022 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# 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
    ('') ;;
    (- | --) shift; break ;;  # Stop option parsing

    -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

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