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#!/bin/sh
# Copyright 2012-2017 Edward W. Koenig, Vancouver, WA, USA
# Updates copyright 2020 Lenard Spencer, Orlando, FL, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# nvidia-switch utility 4.0.1
#
# A tool to install and cleanly remove the nvidia driver without
# stomping on the xorg files. Note: this tool "should" allow switching
# on the fly, but why? Pick a driver! You will still need to edit a bunch
#of other config files.
# TO-DO: needs more cleanup, simplify linking using system tools
# When ROOT=<PATH> is specified when using {install,upgrade,remove}pkg,
# PATH is usually specified without a trailing "/", so we add one here
if [ "$ROOT" = "" ]; then
ROOT="${ROOT:-"/"}"
else
ROOT="${ROOT}/"
fi
CWD=$(pwd)
LIBSUFFIX="LIBDIRSUFFIX" # This will be replaced in the build script
INC="${ROOT}usr/include/GL"
LIB="${ROOT}usr/lib${LIBSUFFIX}"
XMOD="${LIB}/xorg/modules"
XLIB="$XMOD/extensions"
NV_VERSION="PKGVERSION" # This will be replaced in the build script
save_glx(){
cd "$XLIB"
case "$1" in
"nvidia")
if [ -f libglx.so ]; then
mv libglx.so libglx.so-xorg
fi
ln -sf libglx.so.$NV_VERSION libglx.so
;;
"xorg")
if [ -f libglx.so-xorg ]; then
rm -f libglx.so
mv libglx.so-xorg libglx.so
else
if [ ! -e libglx.so ]; then
echo -e "WARNING: libglx.so not found! Please reinstall xorg-server!\n"
else
if [ -h libglx.so ]; then
rm libglx.so
echo -e "WARNING: removed dead symlink libglx.so! Please reinstall xorg-server!\n"
fi
fi
fi
;;
*)
echo "nothing to do for save_glx?"
exit 1
;;
esac
cd "$CWD"
}
save_wfb(){
cd "$XMOD"
if [ "$1" = "nvidia" ]; then
ln -sf libnvidia-wfb.so.$NV_VERSION libnvidia-wfb.so.1
fi
if [ "$1" = "xorg" ]; then
rm -f libnvidia-wfb.so.1
fi
cd "$CWD"
}
nvidia_install(){
echo $'Installing to nvidia-legacy390-driver files:\n'
echo "Make sure the nvidia driver is ENABLED in /etc/X11/xorg.conf"
echo "and in /etc/X11/xorg.conf.d. Otherwise, this may lead to"
echo -e "improperly working drivers.\n"
save_glx "nvidia"
save_wfb "nvidia"
}
nvidia_remove(){
echo $'Returning to stock xorg files:\n'
echo "Make sure the nvidia driver is DISABLED in /usr/share/X11/xorg.conf.d"
echo "/etc/X11/xorg.conf and in /etc/X11/xorg.conf.d."
echo -e "Otherwise, this may lead to improperly working drivers.\n"
save_glx "xorg"
save_wfb "xorg"
}
if [ "$LIBSUFFIX" = "64" ]; then
ARCH="x86_64"
else
ARCH="x86"
fi
case "$1" in
"--install")
nvidia_install
;;
"--remove")
nvidia_remove
;;
"--help")
usage
;;
*)
usage
;;
esac
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