#!/bin/bash

# use bash for "exec -l", howto run login shell by /bin/sh ?

if [ $# -eq 1 -a -n "$1" ]; then
	LXSESSION=$1
else
# default session
	LXSESSION=/usr/bin/startlxde
fi

[ -f /etc/profile ] && . /etc/profile
[ -f ~/.profile ] && . ~/.profile

if [ -f /etc/X11/xinit/xinitrc-common ]; then
# fedora
	. /etc/X11/xinit/xinitrc-common
	if ! [ -z "$XDG_SESSION_COOKIE" ]; then
		CK_XINIT_SESSION=
	elif [ -x /usr/bin/ck-launch-session -a -z "$CK_XINIT_SESSION" ]; then
		CK_XINIT_SESSION="/usr/bin/ck-launch-session"
	fi
	exec -l $SHELL -c "$CK_XINIT_SESSION \"$LXSESSION\""
elif [ -x /etc/X11/xinit/Xsession ]; then
# fedora
	exec /etc/X11/xinit/Xsession "$LXSESSION"
elif [ -x /etc/X11/Xsession ]; then
# mandriva, debian, ubuntu
	exec /etc/X11/Xsession "$LXSESSION"
elif [ -x /etc/X11/xinit/xinitrc ]; then
#suse
	export WINDOWMANAGER=$LXSESSION
	exec -l $SHELL -c /etc/X11/xinit/xinitrc
else
# unknown, user should custom /etc/lxdm/xinitrc self
	if [ -x /etc/lxdm/xinitrc ]; then
		. /etc/lxdm/xinitrc
	fi
	if ! [ -z "$XDG_SESSION_COOKIE" ]; then
		CK_XINIT_SESSION=
	elif [ -x /usr/bin/ck-launch-session ]; then
		CK_XINIT_SESSION="/usr/bin/ck-launch-session"
	fi
	exec -l $SHELL -c "$CK_XINIT_SESSION \"$LXSESSION\""
fi