ENH: add clearEnv.{csh,sh} to cleanse environment as much as possible

etc/clearEnv.csh

+#----------------------------------*-sh-*--------------------------------------
+# =========                 |
+# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+#  \\    /   O peration     |
+#   \\  /    A nd           | Copyright (C) 2011-2011 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/>.
+#
+# File
+#     etc/clearEnv.csh
+#
+# 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
+
+set foamOldDirs=""
+
+# The old dirs to be cleaned from the various environment variables
+# - remove anything under top-level directory.
+# NB: the WM_PROJECT_INST_DIR might not be identical between versions
+#
+if ( $?WM_PROJECT_INST_DIR ) then
+    set foamOldDirs="$WM_PROJECT_INST_DIR"
+endif
+
+if ( $?WM_PROJECT ) then
+    set foamOldDirs="$HOME/$WM_PROJECT/$LOGNAME $foamOldDirs"
+endif
+
+if ( $?WM_PROJECT_SITE ) then
+    set foamOldDirs="$WM_PROJECT_SITE $foamOldDirs"
+endif
+
+
+#------------------------------------------------------------------------------
+# unset WM_* environment variables
+
+unsetenv WM_ARCH
+unsetenv WM_ARCH_OPTION
+unsetenv WM_CC
+unsetenv WM_CFLAGS
+unsetenv WM_COMPILER
+unsetenv WM_COMPILER_LIB_ARCH
+unsetenv WM_COMPILE_OPTION
+unsetenv WM_CXX
+unsetenv WM_CXXFLAGS
+unsetenv WM_DIR
+unsetenv WM_HOSTS
+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_EXT_LIBBIN
+unsetenv FOAM_CODE_TEMPLATES
+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 CMAKE_HOME
+unsetenv ParaView_DIR
+unsetenv PV_PLUGIN_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
+
+
+unset cleaned foamClean foamOldDirs
+
+#------------------------------------------------------------------------------
+# cleanup aliases
+
+unalias wmSET
+unalias wm64
+unalias wm32
+unalias wmSP
+unalias wmDP
+
+unalias wmSchedON
+unalias wmSchedOFF
+unalias foamPV
+
+unalias src
+unalias lib
+unalias run
+unalias foam
+unalias foamsrc
+unalias foamfv
+unalias app
+unalias util
+unalias sol
+unalias tut
+
+unalias foamApps
+unalias foamSol
+unalias foamTuts
+unalias foamUtils
+unalias foam3rdParty
+unalias foamSite
+
+
+# ----------------------------------------------------------------- end-of-file

etc/clearEnv.sh

+#----------------------------------*-sh-*--------------------------------------
+# =========                 |
+# \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
+#  \\    /   O peration     |
+#   \\  /    A nd           | Copyright (C) 2011-2011 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/>.
+#
+# File
+#     etc/clearEnv.sh
+#
+# Description
+#     Clear as many OpenFOAM environment settings as possible
+#
+#------------------------------------------------------------------------------
+
+# Clean standard environment variables (PATH, LD_LIBRARY_PATH, MANPATH)
+foamClean=$WM_PROJECT_DIR/bin/foamCleanPath
+[ -f "$foamClean" -a -x "$foamClean" ] || unset foamClean
+
+# The old dirs to be cleaned from the various environment variables
+# - remove anything under top-level directory.
+# NB: the WM_PROJECT_INST_DIR might not be identical between versions
+#
+foamOldDirs="$WM_PROJECT_INST_DIR $WM_PROJECT_SITE"
+if [ -n "$WM_PROJECT" ]
+then
+    foamOldDirs="$foamOldDirs $HOME/$WM_PROJECT/$USER_SITE"
+fi
+
+#------------------------------------------------------------------------------
+# unset WM_* environment variables
+
+unset WM_ARCH
+unset WM_ARCH_OPTION
+unset WM_CC
+unset WM_CFLAGS
+unset WM_COMPILER
+unset WM_COMPILER_LIB_ARCH
+unset WM_COMPILE_OPTION
+unset WM_CXX
+unset WM_CXXFLAGS
+unset WM_DIR
+unset WM_HOSTS
+unset WM_LDFLAGS
+unset WM_LINK_LANGUAGE
+unset WM_MPLIB
+unset WM_NCOMPPROCS
+unset WM_OPTIONS
+unset WM_OSTYPE
+unset WM_PRECISION_OPTION
+unset WM_PROJECT
+unset WM_PROJECT_DIR
+unset WM_PROJECT_INST_DIR
+unset WM_PROJECT_SITE
+unset WM_PROJECT_USER_DIR
+unset WM_PROJECT_VERSION
+unset WM_SCHEDULER
+unset WM_THIRD_PARTY_DIR
+
+
+#------------------------------------------------------------------------------
+# unset FOAM_* environment variables
+
+unset FOAM_APPBIN
+unset FOAM_APP
+unset FOAM_EXT_LIBBIN
+unset FOAM_CODE_TEMPLATES
+unset FOAM_INST_DIR
+unset FOAM_JOB_DIR
+unset FOAM_LIBBIN
+unset FOAM_MPI
+unset FOAM_RUN
+unset FOAM_SETTINGS
+unset FOAM_SIGFPE
+unset FOAM_SIGNAN
+unset FOAM_SITE_APPBIN
+unset FOAM_SITE_LIBBIN
+unset FOAM_SOLVERS
+unset FOAM_SRC
+unset FOAM_TUTORIALS
+unset FOAM_USER_APPBIN
+unset FOAM_USER_LIBBIN
+unset FOAM_UTILITIES
+
+
+#------------------------------------------------------------------------------
+# unset MPI-related environment variables
+
+unset MPI_ARCH_PATH
+unset MPI_BUFFER_SIZE
+unset OPAL_PREFIX
+
+#------------------------------------------------------------------------------
+# unset Ensight/ParaView-related environment variables
+
+unset ENSIGHT9_READER
+unset CMAKE_HOME
+unset ParaView_DIR
+unset PV_PLUGIN_PATH
+
+
+#------------------------------------------------------------------------------
+# cleanup environment
+# PATH, LD_LIBRARY_PATH, MANPATH
+
+if [ -n "$foamClean" ]
+then
+    cleaned=`$foamClean "$PATH" "$foamOldDirs"` && PATH="$cleaned"
+    cleaned=`$foamClean "$LD_LIBRARY_PATH" "$foamOldDirs"` && LD_LIBRARY_PATH="$cleaned"
+    cleaned=`$foamClean "$MANPATH" "$foamOldDirs"` && MANPATH="$cleaned"
+fi
+
+
+[ -n "$LD_LIBRARY_PATH" ] || unset LD_LIBRARY_PATH
+[ -n "$MANPATH" ] || unset MANPATH
+[ -n "$LD_PRELOAD" ] || unset LD_PRELOAD
+
+
+unset cleaned foamClean foamOldDirs
+
+
+#------------------------------------------------------------------------------
+# cleanup aliases
+
+unalias wmSET
+unalias wm64
+unalias wm32
+unalias wmSP
+unalias wmDP
+
+unalias wmSchedON
+unalias wmSchedOFF
+unset foamPV
+
+unalias src
+unalias lib
+unalias run
+unalias foam
+unalias foamsrc
+unalias foamfv
+unalias app
+unalias util
+unalias sol
+unalias tut
+
+unalias foamApps
+unalias foamSol
+unalias foamTuts
+unalias foamUtils
+unalias foam3rdParty
+unalias foamSite
+
+
+# ----------------------------------------------------------------- end-of-file