#!/bin/bash
#
# Script for starting a desktop session
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
# If applicable, add the following below this CDDL HEADER, with the
# fields enclosed by brackets "[]" replaced with your own identifying
# information: Portions Copyright [yyyy] [name of copyright owner]
#
# CDDL HEADER END
#

#
# Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
#

MYNAME=$(basename $0)

usage() {
    echo "Usage: $0 session_name"
    echo "    This script loads scripts in /etc/X11/xinit/xinitrc.d"
    echo "    and runs a session manager."
    echo "    session_name is gnome, twm or xdm"
}

if [ $# -ne 1 ]; then
    usage
    exit 1
fi

case "$1" in
    -h|--help|-\?)
        usage
        exit 0
    ;;
esac

SESSION_NAME="$1"
shift

case "$SESSION_NAME" in
gdm|GDM|gnome|GNOME|jds|JDS) SESSION_MANAGER=/usr/bin/gnome-session ;;
twm|TWM) SESSION_MANAGER=/usr/bin/twm ;;
xdm|XDM) SESSION_MANAGER=/usr/lib/X11/xdm/Xsession ;;
console) exit 0 ;;
*)
    if [ "x$SESSION_NAME" != x ] ; then
        SESSION_MANAGER=$SESSION_NAME
    fi
    if [ ! -x $SESSION_NAME ] ; then
        echo "Could not find session startup for $SESSION_NAME"
        SESSION_MANAGER=/usr/bin/twm
    fi

esac

# GDM session worker sets DESKTOP_SESSION environment from .desktop file.
export DESKTOP_SESSION=$SESSION_NAME

# run all system xinitrc shell scripts.
if [ -d /etc/X11/xinit/xinitrc.d ]; then
    for i in /etc/X11/xinit/xinitrc.d/* ; do
        if [ -x "$i" ]; then
            . "$i"
        fi
    done
fi

exec $SESSION_MANAGER $@