# --- T2-COPYRIGHT-NOTE-BEGIN ---
# T2 SDE: package/*/sysvinit/system.init
# Copyright (C) 2004 - 2024 The T2 SDE Project
# Copyright (C) 1998 - 2003 ROCK Linux Project
# 
# This Copyright note is generated by scripts/Create-CopyPatch,
# 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 version 2.
# --- T2-COPYRIGHT-NOTE-END ---
#
# Desc: System bootup and shutdown
# Runlevel: 01 rcX rc1 rc2 rc3 rc4 rc5

export PATH="/sbin:/usr/sbin:$PATH"

main_begin
    block_begin(start, `Mounting /proc, /sys, /dev/shm and /dev/pts')
	[ -d /proc/self ] && mount -n -o remount /proc || mount -n /proc
	[ -d /sys/class ] && mount -n -o remount /sys || mount -n /sys

	mkdir -p /dev/shm
	check(`mount -n /dev/shm')
	mkdir -p /dev/pts
	mount -n /dev/pts 2> /dev/null
dnl
    if [ -f /etc/conf/hardware ]; then
	. /etc/conf/hardware
    fi
dnl
    [ -x /bin/dmesg ] && /bin/dmesg -n 3
dnl
    block_split(`Activating Volume Groups')
	check(`vgchange --sysinit -a ay')
dnl
    block_split(`Checking file systems')
	fsck -A -C -a; fsckrc=$?
	if   [ $(( $fsckrc & ~3 )) != 0 ]; then
		echo " **"
		echo " ** Filesystem check failed (returncode=$fsckrc)."
		echo " ** Please repair the broken disk(s) manually."
		echo " **"
		sulogin -t 600 /dev/console
		umount -arv; /sbin/reboot -d -f
		while true; do sleep 1; done
	elif [ $(( $fsckrc &  2 )) != 0 ]; then
		for x in 10 9 8 7 6 5 4 3 2; do
			echo -en "\rSystem reboot in $x seconds ... "
			sleep 1
		done; echo -e "\rSystem reboot now!                 "
		umount -arv; /sbin/reboot -d -f
		while true; do sleep 1; done
	fi
dnl
    block_split(`Mounting file systems')
	check(`mount -n -o remount,rw /')
	rm -f /etc/mtab~* # lingering lock files
	ln -sf /proc/mounts /etc/mtab
	check(`mount -a -t nocoda,nfs,proc,sysfs')
dnl
    block_split(`Activating swap devices')
	# initialize any /dev/zram*
	sed -n 's/#.*//; /zram/p' /etc/fstab |
	while read dev mnt typ opt x y; do
	    [[ "$typ" != swap || "$dev" != /dev/zram* ]] && continue
	    opts=
	    for o in ${opt//,/ }; do
		if [[ $o = size=* ]]; then
		    o="${o#size=}"
		    [[ "$o" = *% ]] && # total mem in kB
			mem=$(sed -n 's/MemTotal: *\([0-9]*\).*/\1/p' /proc/meminfo) &&
			opts="-s $(( $mem * ${o//%/} / 100))k"
		fi
	    done
	    modprobe zram && zramctl $dev $opts && mkswap $dev
	done
	check(`swapon -a')
dnl
    block_split(`Refresh utmp, delete lock and tmp files and other stuff')
	find /var/lock /var/run /tmp -mindepth 1 -print0 2> /dev/null | xargs --null rm -rf
	rm -f /etc/nologin /nologin /fastboot; touch /var/run/utmp
	chmod 664 /var/run/utmp; chown root:tty /var/run/utmp
	mkdir /tmp/.ICE-unix && chmod 1777 /tmp/.ICE-unix
	hostname="hostname= $(cat /proc/cmdline 2> /dev/null)"
	hostname=${hostname##*hostname=} hostname=${hostname%% *}
	[ "$hostname" ] || hostname=$(cat /etc/hostname 2> /dev/null)
	[ "$hostname" ] && hostname "$hostname"
dnl
    block_split(`Activating udevd')
	udevd -d
	udevadm trigger
	check(`udevadm settle')

    if [ -f /etc/conf/kernel ]; then
        block_split(`Configuring the kernel with /etc/conf/kernel')
	    check(`sh /etc/conf/kernel')
    fi
dnl
    [ -f /etc/conf/clock ] && . /etc/conf/clock
    if [ "$clock_tz" = localtime ]; then
	block_split(`Setting kernel clock to local time')
	    check(`hwclock --hctosys --localtime')
    fi
    if [ "$clock_rtc" ]; then
	block_split(`Setting enhanced real time clock precision to $clock_rtc')
	if [ -w /proc/sys/dev/rtc/max-user-freq ]; then
	    check(`echo $clock_rtc > /proc/sys/dev/rtc/max-user-freq')
	else
	    echo "No /proc/sys/dev/rtc/max-user-freq found."
	fi
    fi
dnl
    block_split(`Writing /var/log/boot.msg')
	check(`dmesg > /var/log/boot.msg')
dnl
    block_split(`Setting console screen font')
	if [ -L /etc/default.vcfont ]; then
		fontfile=$(ls -l /etc/default.vcfont | sed 's,.* -> ,,')
		check(`setfont $fontfile')
	elif [ -f /etc/default.vcfont ]; then
		check(`setfont /etc/default.vcfont')
	else
		echo "No /etc/default.vcfont found."
	fi
dnl
    block_split(`Setting console terminal type and blank interval')
	con_term=linux con_blank=0; con_blength=0
	[ -f /etc/conf/console ] && . /etc/conf/console
	check(`D_prefix/bin/setterm -term $con_term -blank $con_blank -blength $con_blength > /dev/console')
dnl
    block_split(`Setting up loopback networking')
	check(`ip link set lo up')
	[[ "$(ip addr show lo)" = *127.0.0.1/8* ]] ||
		check(`ip addr add 127.0.0.1/8 dev lo')
	check(`ip route add 127/8 dev lo')
dnl
    block_split(`Setting overflow UID and GID kernel parameters')
	check(`sysctl -w kernel.overflowuid=$(id -u nobody) > /dev/null')
	check(`sysctl -w kernel.overflowgid=$(id -g nobody) > /dev/null')
dnl
    block_split(`Reading /etc/sysctl.conf file')
	check(`sysctl -p')
dnl
    block_split(`Initializing kernel random number generator')
	if [ -e /var/state/random-seed ]; then
		check(`cat /var/state/random-seed >/dev/urandom')
	fi
    block_end


    block_begin(stop, `Saving /var/log/init.msg and /var/log/boot.msg')
	check(`touch /var/log/init.msg /var/log/boot.msg')
	check(`mv /var/log/init.msg /var/log/init.old')
	check(`mv /var/log/boot.msg /var/log/boot.old')
    block_split(`Writing a wtmp record')
	if [ "$RUNLEVEL" = 0 ]; then check(`halt -w')
	else check(`reboot -w'); fi
    block_split(`Saving kernel random seed')
	dd if=/dev/urandom of=/var/state/random-seed count=1 2> /dev/null
dnl
    block_split(`Sending all processes a SIGTERM (15)')
	check(`killall5'); [ $error -eq 2 ] && error=0 || sleep 3
    block_split(`Sending all processes a 2nd SIGTERM (15)')
	check(`killall5'); [ $error -eq 2 ] && error=0 || sleep 5
    block_split(`Sending all processes a SIGKILL (9)')
	check(`killall5 -9'); [ $error -eq 2 ] && error=0 || sleep 5
dnl
    block_split(`Turning off swap devices')
	check(`swapoff -a')
dnl
    block_split(`Remounting sync/ro and unmounting filesystems')
	sync
	cut -d' ' -f-3 /etc/mtab /proc/mounts | sort -k2 -u -r |
	while read dev dir fs; do
		case "$dir" in
		/|/dev|/proc|/sys|/tmp)	continue ;;
		*)	echo "Umounting $dev on $dir ($fs)"
			mount -o remount,sync $dir
			mount -o remount,ro $dir
			umount $dir ;;
		esac
	done
dnl
    block_split(`Deactivating Volume Groups')
	check(`vgchange --sysinit -a n || lvchange --sysinit -a n $(lvdisplay -c | cut -d : -f 1)')
dnl
    block_split(`Unmounting remaining file systems')
	#grep -v -e '^none /[a-z]\+' -e ' / ' /proc/mounts > /etc/mtab
	mount -vn -o remount,sync /
	sync
	umount -vran -t noproc,sysfs
	mount -vn -o remount,ro /
	sync
dnl
    block_split()
	if [ "$INIT_DOES_REBOOTHALT" != "1" ]; then
	command=""
	[ "$RUNLEVEL" = 0 ] && command=halt
	[ "$RUNLEVEL" = 6 ] && command="reboot -k"
	if [ -n "$command" ]; then
		echo "Going to ${command%% *} the system ..."
		$command -d -f -i -p
		[ "$INIT_WAITS" != "1" ] &&
			while true; do sleep 1; done
	fi
	fi
    block_end

main_end