#!/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 cp /dev/null "$errfile" 2> /dev/null ; then
        chmod 600 "$errfile"
        exec > "$errfile" 2>&1
    else
        errfile=$(mktemp -q /tmp/xses-$USER.XXXXXX)
        if [ $? -eq 0 ]; then
            exec > "$errfile" 2>&1
        fi
    fi
fi

if ! printenv PATH | grep -q /usr/X11R6/bin
then
        PATH="${PATH}":/usr/X11R6/bin
fi

# backward compatibility with old switchdesk directory
if [ -d /usr/share/switchdesk ] ; then
    SWITCHDESKPATH=/usr/share/switchdesk
else
    SWITCHDESKPATH=/usr/share/apps/switchdesk
fi

# 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

# 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)
       exec -l $SHELL -c "$DBUS_LAUNCH gnome-session"
       ;;
    kde|kde1|kde2)
       exec -l $SHELL -c "$DBUS_LAUNCH $SWITCHDESKPATH/Xclients.kde"
       ;;
    twm)
        # fall back to twm
       exec -l $SHELL -c "$DBUS_LAUNCH $SWITCHDESKPATH/Xclients.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 -l $SHELL -c "$DBUS_LAUNCH $1"
       fi
       ;;
    esac
esac

# otherwise, take default action
if [ -x "$HOME/.xsession" ]; then
    exec -l $SHELL -c "$DBUS_LAUNCH $HOME/.xsession"
elif [ -x "$HOME/.Xclients" ]; then
    exec -l $SHELL -c "$DBUS_LAUNCH $HOME/.Xclients"
elif [ -x /etc/X11/xinit/Xclients ]; then
    exec -l $SHELL -c "$DBUS_LAUNCH /etc/X11/xinit/Xclients"
else
    # should never get here; failsafe fallback
    exec -l $SHELL -c "xsm"
fi