#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | www.openfoam.com
#    \\/     M anipulation  |
#------------------------------------------------------------------------------
#     Copyright (C) 2015 OpenFOAM Foundation
#     Copyright (C) 2017-2022 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
#
# Script
#     wrmo
#
# Usage
#     wrmo [-a | -all | all]  [file1 [... fileN]]
#
# Description
#     Remove all .o files from the object directory tree corresponding to the
#     current source derectory or remove only the .o file corresponding to the
#     optionally specified [file].  With the -a/-all/all option the .o files
#     are removed for all platforms rather than just the current platform.
#
#------------------------------------------------------------------------------
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 [OPTION] [file1 [... fileN]]

options:
  -a | -all | all   All platforms (current: $WM_OPTIONS)
  -h | -help        Print the usage

Remove all .o files or remove .o file corresponding to <file>

USAGE
    exit 1
}


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

# Default to processing only the current platform
unset platform

while [ "$#" -gt 0 ]
do
    case "$1" in
    ('') ;;
    (- | --) shift; break ;;  # Stop option parsing

    -h | -help*)
        usage
        ;;
    -a | -all | all)    # All platforms
        platform=all
        ;;
    -*)
        usage "unknown option: '$1'"
        ;;
    *)
        break
        ;;
    esac
    shift
done

# Check environment variables
checkEnv


#------------------------------------------------------------------------------
# Remove the selected .o files from the object tree
#------------------------------------------------------------------------------

objectsDir=$(findObjectDir .) || exit 1 # Fatal

# With -a/-all option: replace the current platform with a wildcard
if [ "$platform" = all ]
then
    objectsDir=$(echo "$objectsDir" | sed "s%$WM_OPTIONS%*%")
fi

if [ "$#" -eq 0 ]
then
    echo "Removing all .o files ..." 1>&2
    find "$objectsDir" -name '*.o' -type f -delete
else
    echo "Removing .o files for: $*" 1>&2
    for file
    do
        rm -f "$objectsDir/${file%%.*}.o" 2>/dev/null
    done
fi

exit 0 # clean exit

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