#!/bin/bash

# Copyright (C) 1999 - 2004 Red Hat, Inc. All rights reserved. This

# copyrighted material is made available to anyone wishing to use, modify,

# copy, or redistribute it subject to the terms and conditions of the

# GNU General Public License version 2.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

# redirect errors to a file in user's home directory if we can

if [ -z "$GDMSESSION" ]; then

    # GDM redirect output itself in a smarter fashion

    errfile="$HOME/.xsession-errors"

    if ( umask 077 && cp /dev/null "$errfile" 2> /dev/null ); then

        chmod 600 "$errfile"

        [ -x /sbin/restorecon ] && /sbin/restorecon $errfile

        exec > "$errfile" 2>&1

    else

        errfile=$(mktemp -q /tmp/xses-$USER.XXXXXX)

        if [ $? -eq 0 ]; then

            exec > "$errfile" 2>&1

        fi

    fi

fi

SWITCHDESKPATH=/usr/share/switchdesk

# Mandatorily source xinitrc-common, which is common code shared between the

# Xsession and xinitrc scripts which has been factored out to avoid duplication

. /etc/X11/xinit/xinitrc-common

# This Xsession.d implementation, is intended to obsolte and replace the

# various mechanisms present in the 'case' statement which follows, and to

# eventually be able to easily remove all hard coded window manager specific

# content from this script.  See bug #142260 for additional explanation and

# details.  All window manager rpm packages and desktop environment

# packages should be modified to provide the Xsession.d/Xsession.$wm scripts

# to start themselves up.  In the future, the legacy switchdesk mechanisms

# and hard coded window managers and desktop environments will be removed from

# this script. 

XCLIENTS_D=/etc/X11/xinit/Xclients.d

if [ "$#" -eq 1 ] && [ -x "$XCLIENTS_D/Xclients.$1.sh" ]; then

    exec -l $SHELL -c "$CK_XINIT_SESSION $SSH_AGENT $XCLIENTS_D/Xclients.$1.sh"

else

# now, we see if xdm/gdm/kdm has asked for a specific environment

case $# in

1)

    if [ -x "$SWITCHDESKPATH/Xclients.$1" ]; then

       exec -l $SHELL -c "$SWITCHDESKPATH/Xclients.$1";

    fi;

    case "$1" in

	failsafe)

	    exec -l $SHELL -c "xterm -geometry 80x24-0-0"

	    ;;

	gnome|gnome-session)

	    # lack of SSH_AGENT is intentional, see #441123.  though

	    # the whole thing should really happen in xinitrc.d anyway.

	    exec -l $SHELL -c gnome-session

	    exec /bin/sh -c "exec -l $SHELL -c \"gnome-session\"" 

	    ;;

	kde|kde1|kde2)

	    exec $CK_XINIT_SESSION $SSH_AGENT /bin/sh -c "exec -l $SHELL -c \"startkde\""

	    ;;

	twm)

        # fall back to twm

	    exec $CK_XINIT_SESSION $SSH_AGENT /bin/sh -c "exec -l $SHELL -c \"twm\""

	    ;;

	*)

       # GDM provies either a command line as the first argument or

       # provides 'failsafe', 'default' or 'custom'.  KDM will do the

       # same at some point

	    if [ "$1" != "default" -a "$1" != "custom" ]; then

		exec $CK_XINIT_SESSION $SSH_AGENT /bin/sh -c "exec -l $SHELL -c \"$1\""

	    fi

	    ;;

    esac

esac

fi

# otherwise, take default action

if [ -x "$HOME/.xsession" ]; then

    exec -l $SHELL -c "$CK_XINIT_SESSION $SSH_AGENT $HOME/.xsession"

elif [ -x "$HOME/.Xclients" ]; then

    exec -l $SHELL -c "$CK_XINIT_SESSION $SSH_AGENT $HOME/.Xclients"

elif [ -x /etc/X11/xinit/Xclients ]; then

    exec -l $SHELL -c "$CK_XINIT_SESSION $SSH_AGENT /etc/X11/xinit/Xclients"

else

    # should never get here; failsafe fallback

    exec -l $SHELL -c "xsm"

fi