postplug/postplug.d/50console

#!/bin/bash
# console - virtual consoles plugin for postplug
# Copyright (c) 2012-2013 by Silvan Calarco <silvan.calarco@mambasoft.it>

# systemd: no need to manage inittab
[ -d /run/systemd ] && exit 0

if [ $UID != 0 ]; then
   echo "$0: must be superuser." >&2
   exit 1
fi

TTYs=`grep "^[0-9]:" /etc/inittab | sed "s|.*\(tty[^[:space:]]*\).*|\1|"`

for t in $TTYs; do
   case $t in
      tty[0-9]*)
         [ -e /dev/tty ] && continue;
         sed -i "s|\([0-9].*$t .*\)|#\1|" /etc/inittab
         TTYchanged=1
         continue
         ;;
      tty*)
         if [ ! -e /dev/$t -o "`setserial /dev/$t | grep 'UART: unknown' 2>/dev/null`" ]; then
            sed -i "s|\([0-9].*$t .*\)|#\1|" /etc/inittab
            TTYchanged=1
            continue
         fi
         ;;
   esac
done

[ "$TTYchanged" ] && telinit q

exit 0