#----------------------------------*-sh-*--------------------------------------
# =========                 |
# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
#  \\    /   O peration     |
#   \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
#    \\/     M anipulation  | Copyright (C) 2016-2017 OpenCFD Ltd.
#------------------------------------------------------------------------------
# License
#     This file is part of OpenFOAM, licensed under GNU General Public License
#     <http://www.gnu.org/licenses/>.
#
# File
#     etc/config.csh/unset
#
# Description
#     Clear as many OpenFOAM environment settings as possible
#
#------------------------------------------------------------------------------

# Clean standard environment variables (PATH, LD_LIBRARY_PATH, MANPATH)

unset foamClean
if ( $?WM_PROJECT_DIR ) then
    set foamClean=$WM_PROJECT_DIR/bin/foamCleanPath
    if ( ! -f "$foamClean" || ! -x "$foamClean" ) unset foamClean
endif

# The old dirs to be cleaned from the environment variables
set foamOldDirs="$WM_PROJECT_DIR $WM_THIRD_PARTY_DIR $HOME/$WM_PROJECT/$LOGNAME $FOAM_SITE_APPBIN $FOAM_SITE_LIBBIN"
if ( $?WM_PROJECT_SITE ) then
   set foamOldDirs="$foamOldDirs $WM_PROJECT_SITE"
endif
if ( $?ParaView_DIR ) then
   set foamOldDirs="$foamOldDirs $ParaView_DIR"
endif


#------------------------------------------------------------------------------
# Unset WM_* environment variables

unsetenv WM_ARCH
unsetenv WM_ARCH_OPTION
unsetenv WM_CC
unsetenv WM_CFLAGS
unsetenv WM_COMPILER
unsetenv WM_COMPILER_TYPE
unsetenv WM_COMPILER_LIB_ARCH
unsetenv WM_COMPILE_OPTION
unsetenv WM_CXX
unsetenv WM_CXXFLAGS
unsetenv WM_DIR
unsetenv WM_HOSTS
unsetenv WM_LABEL_OPTION
unsetenv WM_LABEL_SIZE
unsetenv WM_LDFLAGS
unsetenv WM_LINK_LANGUAGE
unsetenv WM_MPLIB
unsetenv WM_NCOMPPROCS
unsetenv WM_OPTIONS
unsetenv WM_OSTYPE
unsetenv WM_PRECISION_OPTION
unsetenv WM_PROJECT
unsetenv WM_PROJECT_DIR
unsetenv WM_PROJECT_INST_DIR
unsetenv WM_PROJECT_SITE
unsetenv WM_PROJECT_USER_DIR
unsetenv WM_PROJECT_VERSION
unsetenv WM_SCHEDULER
unsetenv WM_THIRD_PARTY_DIR


#------------------------------------------------------------------------------
# Unset FOAM_* environment variables

unsetenv FOAM_APPBIN
unsetenv FOAM_APP
unsetenv FOAM_CODE_TEMPLATES
unsetenv FOAM_ETC
unsetenv FOAM_EXT_LIBBIN
unsetenv FOAM_INST_DIR
unsetenv FOAM_JOB_DIR
unsetenv FOAM_LIBBIN
unsetenv FOAM_MPI
unsetenv FOAM_RUN
unsetenv FOAM_SETTINGS
unsetenv FOAM_SIGFPE
unsetenv FOAM_SIGNAN
unsetenv FOAM_SITE_APPBIN
unsetenv FOAM_SITE_LIBBIN
unsetenv FOAM_SOLVERS
unsetenv FOAM_SRC
unsetenv FOAM_TUTORIALS
unsetenv FOAM_USER_APPBIN
unsetenv FOAM_USER_LIBBIN
unsetenv FOAM_UTILITIES


#------------------------------------------------------------------------------
# Unset MPI-related environment variables

unsetenv MPI_ARCH_PATH
unsetenv MPI_BUFFER_SIZE
unsetenv OPAL_PREFIX


#------------------------------------------------------------------------------
# Unset Ensight/ParaView-related environment variables

unsetenv ENSIGHT9_READER
unsetenv ParaView_DIR
unsetenv ParaView_INCLUDE_DIR
unsetenv ParaView_VERSION
unsetenv PV_PLUGIN_PATH
unsetenv VTK_DIR

#------------------------------------------------------------------------------
# unset other ThirdParty environment variables

unsetenv ADIOS_ARCH_PATH
unsetenv ADIOS1_ARCH_PATH
unsetenv ADIOS2_ARCH_PATH
unsetenv BOOST_ARCH_PATH
unsetenv CCMIO_ARCH_PATH
unsetenv CGAL_ARCH_PATH
unsetenv FFTW_ARCH_PATH
unsetenv GPERFTOOLS_ARCH_PATH
unsetenv GMP_ARCH_PATH
unsetenv MPFR_ARCH_PATH
unsetenv MESA_ARCH_PATH
unsetenv METIS_ARCH_PATH
unsetenv SCOTCH_ARCH_PATH

#------------------------------------------------------------------------------
# Cleanup environment
# PATH, LD_LIBRARY_PATH, MANPATH

if ( $?foamClean ) then

    set cleaned=`$foamClean "$PATH" "$foamOldDirs"`
    if ( $status == 0 ) setenv PATH $cleaned

    if ($?LD_LIBRARY_PATH) then
        set cleaned=`$foamClean "$LD_LIBRARY_PATH" "$foamOldDirs"`
        if ( $status == 0 ) setenv LD_LIBRARY_PATH $cleaned
        if ( ${%LD_LIBRARY_PATH} == 0 ) unsetenv LD_LIBRARY_PATH
    endif

    if ($?MANPATH) then
        set cleaned=`$foamClean "$MANPATH" "$foamOldDirs"`
        if ( $status == 0 ) setenv MANPATH $cleaned
        if ( ${%MANPATH} == 0 ) unsetenv MANPATH
    endif

endif


#------------------------------------------------------------------------------
# Cleanup aliases

unalias wmSet
unalias wmInt32
unalias wmInt64
unalias wmSP
unalias wmDP

unalias wmUnset

unalias wmSchedOn
unalias wmSchedOff

unalias foam

unalias src
unalias lib
unalias app
unalias sol
unalias util
unalias tut
unalias run

unalias wmRefresh
unalias foamVersion
unalias foamPV

# Remove old completions, which look like:
#   complete APPNAME 'p,*,`bash $WM_PROJECT_DIR/etc/ ...
if ($?prompt && $?tcsh) then  # Interactive tcsh only
    foreach cleaned (`complete | sed -ne '/WM_PROJECT/s/\t.*$//p'`)
        uncomplete $cleaned
    end
endif

#------------------------------------------------------------------------------
# Intermediate variables (do as last for a clean exit code)

unset cleaned foamClean foamOldDirs

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