#!/bin/sh
#
# Copyright (c) 2014, Hedayat Vatankhah <hedayat.fwd@gmail.com>.
#
#   Sets the current boot state in /run/systemd/boot-status (this part
# comes from old start-user-session with the following copyright notice),
# and sets default user's target according to the boot state.
#

#
# Contact: Pekka Lundstrom  <pekka.lundstrom@jollamobile.com>
#
# Copyright (c) 2013, Jolla Ltd.
# All rights reserved.
# 
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#     * Redistributions of source code must retain the above copyright
#       notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above copyright
#       notice, this list of conditions and the following disclaimer in the
#       documentation and/or other materials provided with the distribution.
#     * Neither the name of the <organization> nor the
#       names of its contributors may be used to endorse or promote products
#       derived from this software without specific prior written permission.
# 
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 <COPYRIGHT HOLDER> 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.

[ -z "$1" ] && echo "Boot mode missing" && exit 1
MODE=$1

# First find out the user id we use
DEF_UID=$(grep "^UID_MIN" /etc/login.defs |  tr -s " " | cut -d " " -f2)

echo "Configuring boot state to $MODE"

# Save the mode we are going to run
echo "BOOTSTATE=$MODE" > /run/systemd/boot-status/bootstate
rm -f /run/systemd/boot-status/USER
rm -f /run/systemd/boot-status/ACT_DEAD
touch /run/systemd/boot-status/$MODE

if [[ $MODE == USER ]]; then
    ln -sf /usr/lib/systemd/user/post-user-session.target \
        /etc/systemd/user/${DEF_UID}.target
else
    ln -sf /usr/lib/systemd/user/actdead-session.target \
        /etc/systemd/user/${DEF_UID}.target
fi
