#!/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
#     toucho
#
# Description
#     touch all .o files
#------------------------------------------------------------------------------
usage() {
    exec 1>&2
    while [ "$#" -ge 1 ]; do echo "$1"; shift; done
    cat<<USAGE

Usage: ${0##*/} [OPTION] [dir1] .. [dirN]
options:
  -make         limit selection to 'Make/\$WM_OPTIONS*'
  -help         print the usage

Find and touch all .o files in the specified directories.
Uses the cwd by default if no directories are specified.

Current value of WM_OPTIONS=$WM_OPTIONS

USAGE
    exit 1
}


unset restrictOpt

# parse options
while [ "$#" -gt 0 ]
do
    case "$1" in
    -h | -help)
        usage
        ;;
    -m | -make)
        [ -n "$WM_OPTIONS" ] || usage "Error: -make option only valid when \$WM_OPTIONS is set"
        restrictOpt=true
        shift
        ;;
    -*)
        usage "unknown option: '$*'"
        ;;
    *)
        break
        ;;
    esac
done


# no directories specified: default is pwd
[ "$#" -gt 0 ] || set -- .

for i
do
    if [ -d "$i" ]
    then
        if [ "$restrictOpt" = true ]
        then
            echo "touching all .o files under Make/$WM_OPTIONS* : $i"
            find $i -depth -name Make -type d -print | \
                xargs -i find '{}' -depth -name "$WM_OPTIONS*" -type d -print | \
                xargs -i find '{}' -name '*.o' -type f -print | \
                xargs -t touch
        else
            echo "touching all .o files: $i"
            find $i -name '*.o' -type f -print | xargs -t touch
        fi
    else
        echo "no directory: $i"
    fi
done

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