# /etc/rc.minix - MINIX system startup script

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

# The normal system boot situation is that init(8) invokes the ramdisk RC
# script, which invokes the NetBSD rc infrastructure, which in turn calls this
# script through /etc/rc.d/minixrc.  With a boot ramdisk (x86_ramimage), the
# ramdisk RC is bypassed altogether, but stored as /etc/rc.ramdisk.  We then
# have to invoke it here (for startup only!) to let it perform its tasks first.
if sysenv bootramdisk >/dev/null
then
	[ "$1" = "start" ] && sh /etc/rc.ramdisk "$@"
fi

# Same settings as in the default /etc/profile. We do not source this file
# as the system administrator may decide to change those values for his users.
RC_TZ=/etc/rc.timezone

# Are we booting from CD?
bootcd="`/bin/sysenv bootcd`"

# Set TERM to minix if not present.
TERM="${TERM-minix}"

export TERM PATH

# Local variables
ARCH="`sysenv arch`"

usage()
{
    echo >&2 "Usage: $0 [-saf] [start|stop]"
    exec intr sh
}

up()
{
    # Function to dynamically start a system service
    opt=""
    prefix=$(expr "$1 " : '\(-\)')
    if [ "$prefix" = "-" ];
    then
         opt=$1
         shift
    fi
    service=$1
    shift

    minix-service $opt up /service/$service "$@"
}

edit()
{
    # Function to dynamically edit system service settings
    opt=""
    prefix=$(expr "$1 " : '\(-\)')
    if [ "$prefix" = "-" ];
    then
         opt=$1
         shift
    fi
    service=$1
    shift

    # Assume binaries are always in /service or /usr/pkg/service
    binlocation=/service/$service
    if [ ! -x $binlocation ]
    then	binlocation=/usr/pkg/service/$service
    fi

    # Mostly to find init...
    if [ ! -x $binlocation ]
    then	binlocation=/sbin/$service
    fi
    minix-service $opt edit $binlocation -label $service "$@"
}

set -- `sysenv bootopt` "$@"
while getopts 'saf' opt
do
    case $opt in
    s)	sflag=t ;;	# Single user
    a)	aflag=t ;;	# Ask for /usr
    f)	fflag=-f ;;	# Force a full file system check
    *)	usage
    esac
done
shift `expr $OPTIND - 1`

case "$#:$1" in
1:start|1:stop)
    action=$1
    ;;
*)  usage
esac

case $action in
start)
    # If booting from CD, we want some directories to be ramdisks
    if [ ! -z "$bootcd" ]
    then
	. /etc/rc.cd
    fi

    # National keyboard?
    test -f /etc/keymap && loadkeys /etc/keymap

    # options for fsck. default is -r, which prompts the user for repairs.
    optname=fsckopts
    fsckopts=-p
    if sysenv $optname >/dev/null
    then       fsckopts="`sysenv $optname`"
    fi

    if [ "`sysenv debug_fkeys`" != 0 ]
    then
        up -n is -period 5HZ
    fi

    # Set timezone.
    export TZ=GMT0
    if [ -f "$RC_TZ" ]
    then
         . "$RC_TZ"
    fi

    # Start real time clock driver & set system time, otherwise default date.
    up readclock.drv
    readclock -q || date 201301010000

    # We are not shutting down.
    if [ -f /etc/nologin ]
    then
        rm -f /etc/nologin
    fi

    # Use MFS binary only from kernel image?
    if [ "`sysenv bin_img`" = 1 ]
    then
        bin_img="-i "
    fi

    # fsck + mount using /etc/fstab.
    fsck -x / $fflag $fsckopts
    mount -a

    if [ -z "`sysenv bootramdisk`" ]
    then
	# Unmount and free now defunct ramdisk
	umount /dev/imgrd > /dev/null || echo "Failed to unmount boot ramdisk"
	ramdisk 0 /dev/imgrd || echo "Failed to free boot ramdisk"
    fi

    # Initialize files.
    >/var/run/utmp				# /etc/utmp keeps track of logins
    >/var/run/utmpx				# /etc/utmpx keeps track of logins

    # Edit settings for boot system services
    if [ "`sysenv skip_boot_config`" != 1 ]
    then
	edit rs
	edit vm
	edit pm
	edit sched
	edit vfs
	edit ds
	edit tty
	edit memory
	edit mib
	edit pfs
	edit init
	#
	# Keep a copy around to recover the root FS from crashes
	#
	rootline=`cat /etc/mtab | grep "on / "`
	rootfs=fs_`echo "$rootline" | cut -d' ' -f1 | cut -d'/' -f3`
	[ "$rootfs" = "fs_bootramdisk" ] && rootfs=fs_imgrd
	roottype=`echo "$rootline" | cut -d' ' -f5`
	minix-service -c edit /service/$roottype -label $rootfs
    fi

    if [ "$sflag" ]
    then
	echo "Single user. Press ^D to resume multiuser startup."
	intr sh
	echo
    fi

    echo "Multiuser startup in progress ..."

    case "`printroot -r`":$bootcd in
    /dev/ram:)
	# Remove boot-only things to make space,
	# unless booting from CD, in which case we need them.
	rm -rf /boot
	# put the compiler on ram
	cp /usr/lib/em* /usr/lib/cpp* /lib
    esac

    echo -n "Starting hotplugging infrastructure... "
    rm -f /var/run/devmand.pid
    devmand -d /etc/devmand -d /usr/pkg/etc/devmand &
    echo "done."

    # Things should be alright now.
    ;;
stop)
    sync
    if [ -f /var/run/devmand.pid ]
    then
	kill -INT `cat /var/run/devmand.pid`
	# without this delay the following will
	# be printed in the console
	# RS: devman not running?
	sleep 1
    fi

    if [ -x /service/usbd ]
    then
	minix-service down usbd
    fi

    # Tell RS server we're going down.
    minix-service shutdown
    ;;
esac

# Further initialization.
test -f /usr/etc/rc && sh /usr/etc/rc $action
test -f /usr/local/etc/rc && sh /usr/local/etc/rc $action

# Any messages?
if [ "$action" = start ]
then	if [ -f /etc/issue ]
	then	cat /etc/issue
	fi
fi

exit 0