#!/bin/sh
#------------------------------------------------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2017 OpenCFD Ltd.
#    \\/     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
#     wcleanBuild
#
# Usage
#    wcleanBuild <platform> [.. <platformN>]
#
# Description
#     Deletes the specified 'build/' object files directories from the
#     the project top-level 'build/' directory $WM_PROJECT_DIR.
#
#     special platforms
#     - 'all' removes all platforms.
#     - 'compiler' corresponds to $WM_ARCH$WM_COMPILER.
#     - 'current' corresponds to $WM_OPTIONS.
#
#     You must be in the project or the third-party top-level directory
#     to run this script.
#
#------------------------------------------------------------------------------
Script=${0##*/}

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

Usage: $Script <platform> [.. <platformN>]
       $Script -all | -compiler | -current [<platform> [.. <platformN>]]

options:
  -a, -all          Same as 'all'
  -comp, -compiler  Same as 'compiler'
  -c, -current      Same as 'current'
  -h, -help         Print the usage


Deletes the specified build/ object file directories from the project
top-level build/ directory $WM_PROJECT_DIR.

special platforms:
  all           Remove all platforms
  compiler      $WM_ARCH$WM_COMPILER  (ie, \$WM_ARCH\$WM_COMPILER)
  current       $WM_OPTIONS  (ie, \$WM_OPTIONS)

You must be in the project or the third-party top-level directory
to run this script.

USAGE
    exit 1
}

# Find -help anywhere
for i
do
    case "$i" in (-h | -help) usage ;; esac
done

#------------------------------------------------------------------------------
# Run from OPENFOAM or THIRDPARTY top-level directory only
wmakeCheckPwd -q "$WM_PROJECT_DIR"     2>/dev/null || \
wmakeCheckPwd -q "$WM_THIRD_PARTY_DIR" 2>/dev/null || \
{
cat<<ERROR
${0##*/}: Error incorrect top-level directory

  Not in Project:     $WM_PROJECT_DIR
  Nor in ThirdParty:  $WM_THIRD_PARTY_DIR

ERROR
    exit 1
}

if [ "$#" -eq 0 ]
then
    usage "No platform specified"
else
    echo "$# platform(s) to clean"
    echo
fi

for name
do
    case "$name" in
    -comp | -compiler | compiler)
        name="$WM_ARCH$WM_COMPILER"
        ;;
    -c | -current | current)
        name="$WM_OPTIONS"
        ;;
    -a | -all | all)
        echo "all build/ ..."
        rm -rf build
        echo
        break # Can stop now
        ;;
    esac

    if [ -n "$name" -d "build/$name" ]
    then
        echo "    '$name'"
        rm -rf "build/$name"*
        echo
    else
        echo "    '$name' - not built"
        echo
    fi
done

exit 0 # clean exit

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