#!/bin/sh

## live-config(7) - System Configuration Components
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.


#set -e

Cmdline ()
{
	# Reading kernel command line
	for _PARAMETER in ${LIVE_CONFIG_CMDLINE}
	do
		case "${_PARAMETER}" in
			live-config.noautologin|noautologin)
				LIVE_CONFIG_NOAUTOLOGIN="true"
				;;

			live-config.nox11autologin|nox11autologin)
				LIVE_CONFIG_NOX11AUTOLOGIN="true"
				;;
		esac
	done
}

Init ()
{
	# Disables both console and graphical autologin.
	case "${LIVE_CONFIG_NOAUTOLOGIN}" in
		true)
			exit 0
			;;
	esac

	# Disables graphical autologin, no matter what mechanism
	case "${LIVE_CONFIG_NOX11AUTOLOGIN}" in
		true)
			exit 0
			;;
	esac

	# Checking if a display manager has been configured
	case "${_X11}" in
		true)
			rm -f /etc/profile.d/zz-live-config_xinit.sh

			exit 0
			;;
	esac

	# Checking if package is installed or already configured
	if [ ! -e /var/lib/dpkg/info/xinit.list ] || \
	   [ -e /var/lib/live/config/xinit ]
	then
		exit 0
	fi

	echo -n " xinit"
}

Config ()
{
	# Checking if package is already configured differently
	if [ -e /etc/profile.d/zz-live-config_xinit.sh ]
	then
		exit 0
	fi

cat > /etc/profile.d/zz-live-config_xinit.sh << EOF
if [ -z "\${DISPLAY}" ] && [ \$(tty) = /dev/tty1 ]
then
	while true
	do
		if grep -qs quiet /proc/cmdline
		then
			startx > /dev/null 2>&1
		else
			startx
		fi
	done
fi
EOF

	# Creating state file
	touch /var/lib/live/config/xinit
}

Cmdline
Init
Config