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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/tools/make/trunk@13143 72102866-910b-0410-8b05-ffd578937521
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Nicola Pero 2002-03-18 14:09:37 +00:00
parent 01cfbd3190
commit fb1543853a
1 changed files with 102 additions and 0 deletions
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GNUstep-reset.sh Normal file
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#! /bin/echo This file must be sourced inside (ba)sh using: .
#
# GNUstep-reset.sh
#
# Shell resetting the GNUstep environment variables
#
# Copyright (C) 2002 Free Software Foundation, Inc.
#
# Author: Nicola Pero <n.pero@mi.flashnet.it>
#
# This file is part of the GNUstep Makefile Package.
#
# This library 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 2
# of the License, or (at your option) any later version.
#
# You should have received a copy of the GNU General Public
# License along with this library; see the file COPYING.LIB.
# If not, write to the Free Software Foundation,
# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# This file is used to reset your environment. This is needed if you
# want to change LIBRARY_COMBO. You first reset your environment, then
# set a new LIBRARY_COMBO variable, then source GNUstep.sh again.
# This file resets variables in reverse order as they are set in the
# GNUstep.sh file.
# This function resets a path.
# The only argument is the name of the path variable to be reset. All
# paths beginning with GNUSTEP_SYSTEM_ROOT, GNUSTEP_LOCAL_ROOT,
# GNUSTEP_NETWORK_ROOT and GNUSTEP_USER_ROOT are removed from the path
# variable (yes, we are rather crude). All other paths are kept
# unchanged.
function reset_path
{
# Declare local variables
local original_path tmp_IFS temp_path dir gnustep_dir found
# NB: We need to use eval because we want to access a variable
# whose name is another variable!
original_path=`eval echo \$"$1"`
tmp_IFS="$IFS"
IFS=:
temp_path=
# Loop on the paths
for dir in $original_path; do
# For each of them, keep it only if it's not beginning with
# a path in GNUSTEP_PATHPREFIX_LIST as prefix
found=no;
for gnustep_dir in $GNUSTEP_PATHPREFIX_LIST; do
case $dir in
$gnustep_dir*) found=yes; break;;
*);;
esac;
done;
if [ "$found" = "no" ]; then
if [ -z "$temp_path" ]; then
temp_path="$dir"
else
temp_path="$temp_path:$dir"
fi;
fi
done
IFS=$tmp_IFS
# Not set the path variable.
eval "$1=$temp_path"
# Export it only if non empty, otherwise remove it completely from
# the shell environment.
temp_path=`eval echo \$"$1"`
if [ -z "$temp_path" ]; then
eval "unset $1"
else
eval "export $1"
fi
}
reset_path CLASSPATH
reset_path GUILE_LOAD_PATH
reset_path LD_LIBRARY_PATH
reset_path PATH
# Make sure we destroy the reset_path function after using it - we don't
# want to pollute the environment with it.
unset -f reset_path
unset GNUSTEP_PATHPREFIX_LIST
unset GNUSTEP_USER_ROOT
unset GNUSTEP_HOST_OS
unset GNUSTEP_HOST_VENDOR
unset GNUSTEP_HOST_CPU
unset GNUSTEP_HOST
unset GNUSTEP_NETWORK_ROOT
unset GNUSTEP_LOCAL_ROOT
unset GNUSTEP_MAKEFILES
unset GNUSTEP_FLATTENED
unset GNUSTEP_SYSTEM_ROOT
unset GNUSTEP_ROOT
unset LIBRARY_COMBO