File switch-libOpenGL.sh of Package dkms-nvidia

#!/bin/bash

#
#	Check rights
#

if ( [ "$EUID" != "0" ] || [ "x$1" == "x" ] ); then
    echo "You do not have sufficient privileges to switch the library or did not select an option"
    echo
    if which sudo &>/dev/null; then
        echo "Please run: sudo $0 [ system | nvidia ]"
    else
        echo "Please run $0 [ system | nvidia ] as root"
    fi
    echo
    exit 1
fi

if [ "x$1" == "xsystem" ] && [ -f /usr/lib64/libOpenGL.so.0.0.0.backup ] ; then

    echo "Switch libOpenGL back to system"

    #
    # Switch back to System
    #
    rm -f /usr/lib64/libOpenGL.so.0.0.0
    mv -f /usr/lib64/libOpenGL.so.0.0.0.backup /usr/lib64/libOpenGL.so.0.0.0

elif [ "x$1" == "xnvidia" ] ; then

    echo "Switch libOpenGL to nvidia"

    #
    # Switch to nVidia
    #
    mv -f /usr/lib64/libOpenGL.so.0.0.0 /usr/lib64/libOpenGL.so.0.0.0.backup
    ln -sf /usr/lib64/nvidia/libOpenGL.so.0.0.0 /usr/lib64/libOpenGL.so.0.0.0

else

    echo "No switch"

fi