#!/bin/sh

# fstab: lists filesystems, this file is not changed from it's usual
# format, and is used as such
# 
# rc.sysinit: done once at start time.  responsible for performing any
# necessary early system initialization.  This reads rc.conf for some
# of its actions

#PATH=/sbin:/usr/sbin:/bin:/usr/bin

. /etc/rc.d/functions.rc
. /etc/rc.conf

# * load any kernel modules needed

# TODO check for /etc/fstab
# write one if missing?

# need to mount sys because fsck might use it
# try to mount them directly if they fail from fstab?
# TODO bail to emergency shell if these fail?
# TODO set NOVIRTFS='/var/run' and the like to skip some of these?

status_begin mounting virtual filesystems
mountpoint -q /proc    || mount -t proc proc /proc -o nosuid,noexec,nodev
mountpoint -q /sys     || mount -t sysfs sys /sys -o nosuid,noexec,nodev
mountpoint -q /var/run     || mount -t tmpfs run /var/run -o mode=0755,nosuid,nodev
mountpoint -q /dev     || mount -t devtmpfs dev /dev -o mode=0755,nosuid
mkdir /dev/pts /dev/shm
mountpoint -q /dev/pts || mount -t devpts devpts /dev/pts -o mode=0620,gid=5,nosuid,noexec
mountpoint -q /dev/shm || mount -t tmpfs shm /dev/shm -o mode=1777,nosuid,nodev
# and make sure they all passed
mountpoint -q /proc &&
mountpoint -q /sys &&
mountpoint -q /var/run &&
mountpoint -q /dev &&
mountpoint -q /dev/pts &&
mountpoint -q /dev/shm
status_check

# bash seems to rely on this
ln -s /proc/self/fd /dev/fd

# * set the host name
status_begin Setting hostname
hostname ${HOSTNAME:=$(uname -s)}
status_check

# TODO should probably bail out if the /sys mount fails

# TODO decide if the loopback network interface should be done here or later
# I think later, it's not actually necessary

# * sysctl

status_begin loading sysctl.conf
sysctl -q -p
status_check

# * fsck and mount filesystems

#status_starting fsck of /
#mount -o remount,ro /
#fsck -A -T
# TODO actually check the return value
status_begin remounting root filesystem rw
mount -o remount,rw /
status_check

# need to run depmod here, just in case
# it should be done at kernel install time, but this can avoid
# errors if that goes wrong or there are new or removed modules
status_begin running depmod
depmod
status_check

# load any kernel modules
# there's probably a better way to do this
# this could also be done in the initial ram-disk, but
# this covers the case where there isn't one, but we still want
# to load more hardware
if ! is_true "$NOPROBEHW" ; then
	status_begin "loading kernel modules"
	modlist=$(lspci -k|grep 'Kernel modules:' | awk '{print $3}'| sort -u)
	if [ -n "$modlist" ]; then
		modprobe $modlist
	fi
	status_check
fi

# set up /dev

if [ -x /sbin/mdev ] && ! is_true "$USE_UDEV" ; then
	status_begin setting up mdev
	echo > /dev/mdev.seq
	echo /sbin/mdev > /proc/sys/kernel/hotplug
	/sbin/mdev -s
	status_check
elif [ -x /sbin/udevd ]; then
	##
	## begin voodoo scripting from lfs-initscripts
	##

	# udev will handle hotplugs
	echo > /proc/sys/kernel/hotplug

	# start udev
	# this should probably be moved to inittab or started via
	# something that could monitor it
	status_starting udevd daemon
	/sbin/udevd --daemon
	status_check

	# Now traverse /sys in order to "coldplug" devices that have
	# already been discovered
	# this is going to fail if sys isn't mounted
	status_begin populating udevadm triggers
	udevadm trigger --action=add    --type=subsystems &&
	udevadm trigger --action=add    --type=devices &&
	udevadm trigger --action=change --type=devices
	status_check

	# Now wait for udevd to process the uevents we triggered
	#      if ! is_true "$OMIT_UDEV_SETTLE"; then

	# quoted here so 'for' doesn't confuse syntax highlighting
	status_begin 'waiting for udevadm to settle'
	udevadm settle
	status_check
	# fi

	# If any LVM based partitions are on the system, ensure they
	# are activated so they can be used.
	#      if [ -x /sbin/vgchange ]; then /sbin/vgchange -a y >/dev/null; fi 
	##
	## end voodoo scripting
	##
fi

# * set up swap

swapon -a

# mount any remaining filesystems
status_begin mounting remaining filesystems
mount -a -t noproc,sysfs,devtmpfs,devpts,tmpfs
status_check

# force mtab symlink
rm -f /etc/mtab
ln -s /proc/mounts /etc/mtab

# * do any boot time /tmp cleanup or similar

# * do any utmp/wtmp initialization needed

touch /var/run/utmp
touch /var/log/wtmp

# * configure the console

# * set timezone and clock

status_begin setting system clock from hardware clock
hwclock -s
status_check