#!/bin/sh

# fglrx-switch-0.1 - A sh script to switch between mesa package's own
#                    libGL.so.1.2 and libGL.so.1.2 from fglrx-driver package.

# Copyright (c) 2008, Antonio Hernández Blas <hba.nihilismus@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# 1.- Redistributions of source code 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.

set -e

ROOTLIBDIR=${ROOTLIBDIR:-/usr/lib}
GLVER='1.2'

if [ "$1" = '-fglrx' ]; then
  cd "$ROOTLIBDIR"
  rm -f libGL.so libGL.so.1 || true
  if [ -e libGL.so.$GLVER ] && [ -e libGL.so.$GLVER-fglrx-driver ]; then
    mv libGL.so.$GLVER libGL.so.$GLVER-mesa
    mv libGL.so.$GLVER-fglrx-driver libGL.so.$GLVER
  fi
  ln -sf libGL.so.$GLVER libGL.so
  ln -sf libGL.so.$GLVER libGL.so.1
elif [ "$1" = '-mesa' ]; then
  cd "$ROOTLIBDIR"
  rm -f libGL.so libGL.so.1 || true 
  if [ -e libGL.so.$GLVER ] && [ -e libGL.so.$GLVER-mesa ]; then
    mv libGL.so.$GLVER libGL.so.$GLVER-fglrx-driver
    mv libGL.so.$GLVER-mesa libGL.so.$GLVER
  fi
  ln -sf libGL.so.$GLVER libGL.so
  ln -sf libGL.so.$GLVER libGL.so.1
else
  echo "Usage:"
  echo -e " fglrx-switch -fglrx : Switch to fglrx-driver libGL."
  echo -e " fglrx-switch -mesa  : Switch to mesa libGL."
  echo ""
fi

# EOF