mydm-service-install

#!/bin/sh

TARGET_IN_LSB='/usr/share/mydm/lsbservice.in'

# Usage: __target_lsb <display> <vt> <greeter> <user>
__target_lsb()
{
	local file_name=`mktemp`
	cp "$TARGET_IN_LSB" "$file_name"
	sed -i -e "s/__INFILE__display/${1}/g" "$file_name"
	sed -i -e "s/__INFILE__vt/vt${2}/g" "$file_name"
	sed -i -e "s;__INFILE__greeter;${3};g" "$file_name"
	sed -i -e "s/__INFILE__user/${4}/g" "$file_name"
	cp "$file_name" /etc/init.d/mydm
	chmod 755 /etc/init.d/mydm
	update-rc.d mydm defaults
}

# Usage: target_lsb <1=use default> <1=uninstall>
target_lsb()
{
	local display
	local vt
	local greeter
	local user

	if [ "$2" = "1" ]; then
		rm -f /etc/init.d/mydm
		update-rc.d mydm remove
		exit 0
	fi

	if ! [ "$1" = "1" ]; then
		read -p "X server display (default: :0): " display
		read -p "X server virtual console (default: 7): " vt
		read -p "Greeter program (default read the /etc/mydm/default-greeter): " greeter
		read -p "The user to run greeter (default: root): " user
	fi

	display=${display:=:0}
	vt=${vt:=7}
	greeter=${greeter:=`cat /etc/mydm/default-greeter`}
	user=${user:=root}

#	greeter=`echo "$greeter" | sed -e 's/\//\\\//g'`

	__target_lsb "$display" "$vt" "$greeter" "$user"
}

usage()
{
	cat << EOF
$0 [OPTIONS]

	--target <service type>       Service type (installation target)
	                              availables:
				        freebsd-init (x)
				        linux-lsb
					linux-systemd (x)
					unix-ueld (x)
	--default                     All use default value
	--uninstall                   Uninstall the service
	--help                        Show this usage

EOF
}

target=''
default=''
uninstall=''

while true ; do
	case "$1" in
	--target)
		target="$2"
		shift 2
		;;
	--default)
		default='1'
		shift
		;;
	--uninstall)
		uninstall='1'
		shift
		;;
	--help)
		usage
		exit 0
		;;
	*)
		break
		;;
	esac
done

case "$target" in
freebsd-init)
	echo 'ERROR: this platform is developing...'
	;;
linux-lsb)
	target_lsb "$default" "$uninstall"
	;;
linux-systemd)
	echo 'ERROR: this platform is developing...'
	;;
unix-ueld)
	echo 'ERROR: this platform is developing...'
	;;
*)
	echo "Unknown target: $target"
	;;
esac

exit 0