VERSION='275.09.07'

whisperer(){
	echo 'By using this package you accept the NVIDIA license,'
	echo 'which has been installed in /usr/share/licenses/nvidia/LICENSE'
	echo 'If you do not accept this license, you must remove the package immediately.'
}

check_libdri_so(){
    if [ ! -e usr/lib/xorg/modules/extensions/libdri.so ]; then
        ln -sf usr/lib/xorg/modules/extensions/libdri.xorg usr/lib/xorg/modules/extensions/libdri.so
    fi
}

link_libgl_so(){
      ln -snf libGL.so.$VERSION /usr/lib/libGL.so.1.2
      ln -snf libGL.so.$VERSION /usr/lib/libGL.so.1
      ln -snf libGL.so.$VERSION /usr/lib/libGL.so
      ln -snf libglx.so.$VERSION /usr/lib/xorg/modules/extensions/libglx.so
      ln -snf libglx.xorg /usr/lib/xorg/modules/extensions/NVGL.renamed.libglx.so
      ln -snf libGL.so.1.2.mesa /usr/lib/NVGL.renamed.libGL.so.1.2
}

restore_libgl_so(){
      ln -snf libGL.so.1.2.mesa /usr/lib/libGL.so.1.2
      ln -snf libGL.so.1.2.mesa /usr/lib/libGL.so.1
      ln -snf libGL.so.1.2.mesa /usr/lib/libGL.so
      ln -snf libglx.xorg /usr/lib/xorg/modules/extensions/libglx.so
      rm -f /usr/lib/xorg/modules/extensions/NVGL.renamed.libglx.so
      rm -f /usr/lib/NVGL.renamed.libGL.so.1.2
}


post_install(){
    check_libdri_so
    link_libgl_so
    whisperer
}

post_upgrade(){
    check_libdri_so
    link_libgl_so
    whisperer
}

post_remove(){
    # If the symlink is dead, remove it
    check_libdri_so
    restore_libgl_so
    echo "NOTE: Don't forget to recover your original xorg.conf file."
}