#!/bin/sh -e

# Copyright (c) 2015 The crouton Authors. All rights reserved.

# Use of this source code is governed by a BSD-style license that can be

# found in the LICENSE file.

if [ "${XMETHOD%%-*}" != 'xorg' ]; then

export XMETHOD='xorg'

fi

XARGS='-nolisten tcp'

if [ -f /etc/crouton/xserverrc-local ]; then

. /etc/crouton/xserverrc-local

fi

X=/usr/bin/X

# Handle Freon systems

if [ ! -f "/sys/class/tty/tty0/active" ]; then

# We won't be able to launch properly if running from frecon

ppid="$$"

while [ -n "$ppid" -a "$ppid" -ne 1 ]; do

ppid="`ps -p "$ppid" -o 'ppid=' 2>/dev/null | sed 's/ //g'`"

if ps -p "$ppid" -o 'comm=' | grep -q '^frecon$'; then

echo 'Xorg X11 servers cannot be launched from Frecon.' 1>&2

echo 'Return to Chromium OS and use crosh to launch X.' 1>&2

exit 2

fi

done

# Use the daemon to kill frecon.

# FIXME: remove when crbug.com/457075 is resolved

if [ -w '/tmp/crouton-lock/frecon' ]; then

echo >> '/tmp/crouton-lock/frecon'

fi

# Freon necessitates the preload hack for X to coexist

X=/usr/bin/Xorg

logfile="/tmp/Xorg.crouton.$$.log"

for arg in "$@"; do

disp="`echo "$arg" | sed -n 's/^\:\([0-9]*\)$/\1/p'`"

if [ -n "$disp" ]; then

logfile="/tmp/Xorg.crouton.$disp.log"

fi

done

XARGS="$XARGS -logfile $logfile"

export LD_PRELOAD="/usr/local/lib/croutonfreon.so:$LD_PRELOAD"

fi

exec "$X" $XARGS "$@"