Arch-R/packages/sysutils/busybox/scripts/init.system

#!/bin/sh

  /bin/busybox test ! -e /proc/cpuinfo && \
    /bin/busybox mount -t proc none /proc
  /bin/busybox test ! -e /sys/kernel && \
    /bin/busybox mount -t sysfs none /sys

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

  mount -t ramfs none /dev
#  mount -t ramfs none /etc
  mount -t ramfs none /var
  mknod /dev/null c 1 3
  mknod /dev/fb0 c 29 0

# parse command line arguments
  BOOT=`cat /proc/cmdline | sed 's/.*boot=// ; s/ .*//'`
  DISK=`cat /proc/cmdline | sed 's/.*disk=// ; s/ .*//'`
  #VERSION=`cat /proc/version | cut -f3 -d" "`

  for arg in $(cat /proc/cmdline); do
    case $arg in
      textmode)
        TEXTMODE=yes
        ;;
      configure)
        CONFIGURE=yes
        ;;
    esac
  done

# make variable directory structure
  mkdir -p /var/run
  mkdir -p /var/log
  mkdir -p /var/lock
  mkdir -p /var/tmp
  mkdir -p /var/mnt

# setting hostname
  echo openelec > /proc/sys/kernel/hostname

# copying config into ram
  [ -f "/usr/config/etc.tar.lzma" ] && \
  tar xaf "/usr/config/etc.tar.lzma" -C /var

  RUNLEVEL="openelec"
  if test "$TEXTMODE" = yes; then
    RUNLEVEL="text"
  elif test "$CONFIGURE" = yes; then
    RUNLEVEL="configure"
  fi

  count=0
  for script in /etc/init.d/*; do
    grep -q -e "^# runlevels:.*$RUNLEVEL" $script && count=$(($count+1));
  done

  RET=0

  for script in /etc/init.d/*; do
    if grep -q -e "^# runlevels:.*$RUNLEVEL" $script; then
      /bin/sh $script
      S_RET=$?
      test $S_RET -ge $RET && RET=$S_RET
    fi
  done

  exit $RET

echo "starting emergency shell"
  exec /bin/busybox sh </dev/tty3 >/dev/tty3 2>&1