#!/bin/sh
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: target/idunn/initramfs/etc_rc.d_rc.sysinit.sh
# Copyright (C) 2008 - 2009 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

. /etc/rc.d/functions.in

banner "I am Idunn, take an apple and live forever."

# keep the console clean
if [ -x /bin/dmesg ]; then
	dmesg -n 3
	dmesg > /var/log/boot.log
fi

title "Mounting special filesystems"
check mount -n -t proc proc /proc
check mount -n -t sysfs sysfs /sys
check mount -n -t tmpfs tmp /tmp
status

# Parse command line
init=
root=
rootdelay=
root_mode=

for x in $(cat /proc/cmdline | tr -d ";\"'"); do
	case "$x" in
	ro|rw)	root_mode=$x ;;
	root=*|init=*|rootdelay=*)
		eval "$x" ;;
	esac
done

root_method=device
case "$root" in
nfs:*)	root="${root#nfs:}"
	root_method=nfs
	;;
UUID=*|LABEL=*)
	root_method=find
	;;
/dev/*)
	;;
*)
	[ -z "$root" ] || root="/dev/$root"
	;;
esac

cat > /etc/conf/idunn <<EOT
rootfs="/rootfs"
root="$root"
rootdelay="${rootdelay:-0}"
root_method="$root_method"
root_mode="${root_mode:-ro}"
init="${init:-/sbin/init}"
initopt="$*"
EOT

title "Preparing /dev"
check mount -n -t tmpfs udev /dev
check mkdir /dev/pts
check mount -n -t devpts devpts /dev/pts
check cp -a /lib/udev/devices/* /dev
status

title "Starting supervisor"
check start-stop-daemon -S -b -x /usr/bin/runsvdir -- /var/service/
status

# wait for udev
while [ ! -d /dev/.udev/ ]; do
	sleep 1;
done

# load/blacklist modules
if [ -x /sbin/modprobe -a -n "$modules" ]; then
	title "Preloading requested kernel modules"
	for x in $(echo "$modules" | tr ':' ' '); do
		if expr "$x" : - > /dev/null; then
			echo "blacklist ${x#-}" >> /etc/modprobe.conf
		else
			check modprobe $(echo "$x" | tr ',' ' ')
		fi
	done
	status
fi

force_shell=
use_lvm=
use_mdadm=

if [ -n "$idunn" ]; then
	for x in $(echo "$idunn" | tr ':' ' '); do
		case "$x" in
		*=*)	y="${x#*=}"
			x="${x%%=*}"
			;;
		no*)	x="${x#no}"
			y="no"
			;;
		*)	y="yes"
			;;
		esac

		case "$x" in
		shell)		force_shell=$y ;;
		lvm|mdadm)	eval use_${x}=$y ;;
		esac
	done
fi

# assuming the network module is built-in or preloaded, start it earlier
for x in $(unet pending); do
	title "Starting network (interface:$x)"
	check unet $x up
	status
done

title "Triggering coldplug"
check udevadm trigger
check udevadm settle
status

# and for those which appeared after udevtrigger
for x in $(unet pending); do
	title "Starting network (interface:$x)"
	check unet $x up
	status
done

if [ "$use_mdadm" = "yes" ]; then
	title "Detecting RAID volumes"
	check mdadm -Esv > /etc/mdadm.conf
	status
fi

if [ -s /etc/mdadm.conf ]; then
	title "Starting RAID volumes"
	check mdadm -As
	sleep 1
	status
fi

if [ "$use_lvm" = "yes" ]; then
	title "Detecting LVM volumes"
	check vgscan
	status
fi

if [ -n "$(ls -1 /etc/lvm/archive/*.vg 2> /dev/null)" ]; then
	title "Starting LVM volumes"
	modprobe dm-mod
	check vgchange -ay
	status
fi