#!/bin/sh

PREREQ=""
DESCRIPTION="Setting up init..."

. /scripts/casper-functions

prereqs()
{
       echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
       prereqs
       exit 0
       ;;
esac

log_begin_msg "$DESCRIPTION"

# Arrange for shells on virtual consoles, rather than login prompts

if [ -n "$USERNAME" ]; then
    if [ ! -z "${CASPERGETTY}" ]; then
        # AUTOMATIC SERIAL CONSOLE #
        defconsole=$(sed -e 's%.*console=%console=%' /proc/cmdline)
        if echo "${defconsole}" | grep -qs console=ttyS; then
            PORT=$(echo "${defconsole}" | \
                sed -e's%^console=%%' -e's%,.*%%')
            SPEED=$(echo "${defconsole}" | \
                    sed -e 's%^console=ttyS[0-9]\+,%%' \
                        -e's%\([0-9]\+\).*%\1%')
            if ! ( sed -n -e'/^[^#]/p' /root/etc/inittab | grep -qs ":respawn:/sbin/getty.*${PORT}" ) ; then
                IDs="A B C D E F G H I J K L M N O P Q R S T Q U V V X Y Z 0 1 2 3 4 5 6 7 8 9" 
                for ID1 in $IDs; do
                    for ID2 in $IDs; do
                        ID="${ID1}${ID2}"
	                    if ! grep "^${ID}:" /etc/inittab ; then
                            #make sure it is not already in use
                            break 2
                        fi
                    done
                done
                echo "${ID}:2345:respawn:/sbin/casper-getty -L ${PORT} ${SPEED} vt100" \
                >>/root/etc/inittab
            fi
        fi
    else
        if [ -f /root/etc/inittab ]; then
            sed -i -e "s|^\([^:]*:[^:]*:[^:]*\):.*getty.*\<\(tty[0-9]*\).*$|\1:/bin/login -f $USERNAME </dev/\2 >/dev/\2 2>\&1|" /root/etc/inittab
	fi
        if [ "/root/etc/event.d/tty*" != "$(echo /root/etc/event.d/tty*)" ]; then
            for f in /root/etc/event.d/tty*; do
                sed -i -e "s|^respawn.*|respawn /bin/login -f $USERNAME </dev/$(basename $f) > /dev/$(basename $f) 2>\&1|" $f
            done
        fi
    fi
fi

# This has the nice side effect of the cron.{daily,weekly,monthly} jobs in
# /etc/crontab remaining disabled, yet also not run by anacron
if [ -x /root/etc/init.d/anacron ]; then
    for f in /root/etc/rc?.d/S??anacron; do
        mv ${f} ${f%/*}/K00anacron
    done
fi

# No point, really
rm -f /root/etc/rc?.d/[SK]??postfix

# Avoid clobbering the user's clock
rm -f /root/etc/rc?.d/K??hwclock.sh

# Disable readahead since it doesn't play well with squashfs + unionfs
# use chmod instead of mv to not trigger unionfs bugs.
if [ -e /root/sbin/readahead-list ]; then
    chmod -x /root/sbin/readahead-list
fi

log_end_msg

exit 0