linuxrc

#!/bin/sh

. /etc/initrd.defaults
. /etc/initrd.scripts

splash() {
	return 0
}

[ -e /etc/initrd.splash ] && . /etc/initrd.splash

# Clean input/output
exec >${CONSOLE} <${CONSOLE} 2>&1

if [ "$$" != '1' ]
then
	echo '/linuxrc has to be run as the init process as the one'
	echo 'with a PID of 1. Try adding init="/linuxrc" to the'
	echo 'kernel command line or running "exec /linuxrc".'
	exit 1
fi

mount -t proc proc /proc >/dev/null 2>&1
mount -o remount,rw / >/dev/null 2>&1

# Set up symlinks
/bin/busybox --install -s

if [ "$0" = '/init' ]
then
	[ -e /linuxrc ] && rm /linuxrc
	 
	if [ -e /bin/lvm ]
	then
		ln -s /bin/lvm /bin/vgscan
		ln -s /bin/lvm /bin/vgchange
	fi
fi

quiet_kmsg

CMDLINE=`cat /proc/cmdline`
# Scan CMDLINE for any specified real_root= or cdroot arguments
FAKE_ROOT=''
REAL_ROOTFLAGS=''
CRYPT_SILENT=0
for x in ${CMDLINE}
do
	case "${x}" in
		real_root\=*)
			REAL_ROOT=`parse_opt "${x}"`
		;;
		root\=*)
			FAKE_ROOT=`parse_opt "${x}"`
		;;
		subdir\=*)
			SUBDIR=`parse_opt "${x}"`
		;;
		real_init\=*)
			REAL_INIT=`parse_opt "${x}"`
		;;
		init_opts\=*)
			INIT_OPTS=`parse_opt "${x}"`
		;;
		# Livecd options
		cdroot)
			CDROOT=1
		;;
		cdroot\=*)
			CDROOT=1
			CDROOT_DEV=`parse_opt "${x}"`
		;;
		cdroot_type\=*)
			CDROOT_TYPE=`parse_opt "${x}"`
		;;
		# Start livecd loop, looptype options
		loop\=*)
			LOOP=`parse_opt "${x}"`
		;;
		looptype\=*)
			LOOPTYPE=`parse_opt "${x}"`
		;;
		# Start Volume manager options 
		dolvm)
			USE_LVM_NORMAL=1
		;;
		dolvm2)
			bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
			USE_LVM_NORMAL=1
		;;
		domdadm)
			USE_MDADM=1
		;;
		dodmraid)
			USE_DMRAID_NORMAL=1
		;;
		dodmraid\=*)
			DMRAID_OPTS=`parse_opt "${x}"`
			USE_DMRAID_NORMAL=1
		;;
		doevms)
			USE_EVMS_NORMAL=1
		;;
		doevms2)
			bad_msg 'Using doevms2 is deprecated, use doevms, instead.'
			USE_EVMS_NORMAL=1
		;;
		# Debug Options
		debug)
			DEBUG='yes'
		;;
		# Scan delay options 
		scandelay\=*)
			SDELAY=`parse_opt "${x}"`
		;;
		scandelay)
			SDELAY=10
		;;
		# Module no-loads
		doload\=*)
			MDOLIST=`parse_opt "${x}"`
			MDOLIST="`echo ${MDOLIST} | sed -e 's/,/ /g'`"
		;;
		nodetect)
			NODETECT=1
		;;
		noload\=*)
			MLIST=`parse_opt "${x}"`
			MLIST="`echo ${MLIST} | sed -e 's/,/ /g'`"
			export MLIST
		;;
		# Redirect output to a specific tty
		CONSOLE\=*|console\=*)
			CONSOLE=`parse_opt "${x}"`
#			exec >${CONSOLE} <${CONSOLE} 2>&1
		;;
		# /dev/md
		lvmraid\=*)
			RAID_DEVICES="`parse_opt ${x}`"
			RAID_DEVICES="`echo ${RAID_DEVICES} | sed -e 's/,/ /g'`"
		;;
		part\=*)
			MDPART=`parse_opt "${x}"`
		;;
		# NFS
		ip\=*)
			IP=`parse_opt "${x}"`
		;;
		nfsroot\=*)
			NFSROOT=`parse_opt "${x}"`
		;;
		# iSCSI
		iscsi_initiatorname\=*)
			ISCSI_INITIATORNAME=`parse_opt "${x}"`
		;;
		iscsi_target\=*)
			ISCSI_TARGET=`parse_opt "${x}"`
		;;
		iscsi_tgpt\=*)
			ISCSI_TGPT=`parse_opt "${x}"`
		;;
		iscsi_address\=*)
			ISCSI_ADDRESS=`parse_opt "${x}"`
		;;
		iscsi_port\=*)
			ISCSI_PORT=`parse_opt "${x}"`
		;;
		iscsi_username\=*)
			ISCSI_USERNAME=`parse_opt "${x}"`
		;;
		iscsi_password\=*)
			ISCSI_PASSWORD=`parse_opt "${x}"`
		;;
		iscsi_username_in\=*)
			ISCSI_USERNAME_IN=`parse_opt "${x}"`
		;;
		iscsi_password_in\=*)
			ISCSI_PASSWORD_IN=`parse_opt "${x}"`
		;;
		iscsi_debug\=*)
			ISCSI_DEBUG=`parse_opt "${x}"`
		;;
		iscsi_noibft)
			ISCSI_NOIBFT=1
		;;
		# Crypto
		crypt_root\=*)
			CRYPT_ROOT=`parse_opt "${x}"`
		;;
		crypt_swap\=*)
			CRYPT_SWAP=`parse_opt "${x}"`
		;;
		root_key\=*)
			CRYPT_ROOT_KEY=`parse_opt "${x}"`
		;;
		root_keydev\=*)
			CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
		;;
		swap_key\=*)
			CRYPT_SWAP_KEY=`parse_opt "${x}"`
		;;
		swap_keydev\=*)
			CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
		;;
		real_resume\=*|resume\=*)
			REAL_RESUME=`parse_opt "${x}"`
		;;
		noresume)
			NORESUME=1
		;;
		crypt_silent)
			CRYPT_SILENT=1
		;;
		real_rootflags\=*)
			REAL_ROOTFLAGS=`parse_opt "${x}"`
		;;
		keymap\=*)
			keymap=`parse_opt "${x}"`
		;;
		unionfs)
			if [ ! -x /sbin/unionfs ]
			then
				USE_UNIONFS_NORMAL=0
				bad_msg 'unionfs binary not found: aborting use of unionfs!'
			else
				USE_UNIONFS_NORMAL=1
			fi
			;;
		nounionfs)
			USE_UNIONFS_NORMAL=0
			;;
#                 unionfs\=*) 	 
#                         if [ ! -x /sbin/unionfs ] 	 
#                         then 	 
#                                 USE_UNIONFS_NORMAL=0 	 
#                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
#                         else 	 
#                                 USE_UNIONFS_NORMAL=1 	 
#                                 CMD_UNIONFS=`parse_opt "${x}"` 	 
#                                 echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1 	 
#                                 if [ "$?" -eq '0' ] 	 
#                                 then 	 
#                                         UID=`echo ${CMD_UNIONFS#*,}` 	 
#                                         UNIONFS=`echo ${CMD_UNIONFS%,*}` 	 
#                                 else 	 
#                                         UNIONFS=${CMD_UNIONFS} 	 
#                                 fi 	 
#                         fi 	 
#                 ;;
	esac
done

if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" -eq 0 \)  -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
then
	REAL_ROOT="${FAKE_ROOT}"	
fi

splash 'init'

cmdline_hwopts

# Mount sysfs
mount_sysfs

# Setup hotplugging for firmware loading
setup_hotplug

# Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
if [ -z "${DO_modules}" ]
then
	good_msg 'Skipping module load; disabled via commandline'
elif [ -d "/lib/modules/${KV}" ]
then
	good_msg 'Loading modules'
	# Load appropriate kernel modules
	if [ "${NODETECT}" != '1' ]
	then
		for modules in ${MY_HWOPTS}
		do
			modules_scan ${modules}
		done
	fi
	# Always eval doload=...
	modules_load ${MDOLIST}
else
	good_msg 'Skipping module load; no modules in the ramdisk!'
fi

# Delay if needed for USB hardware
sdelay

# Start device manager
start_dev_mgr

# Start iSCSI
if [ -e /bin/iscsistart ]
then
	startiscsi
fi

# let iscsid settle - otherwise mounting the iSCSI-disk will fail (very rarely, though)
sleep 1

# Setup md device nodes if they dont exist
setup_md_device

# Scan volumes
startVolumes

setup_keymap

# Initialize LUKS root device except for livecd's
if [ "${CDROOT}" != 1 ]
then
	startLUKS
	if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
	then
		case "${REAL_RESUME}" in
			LABEL\=*|UUID\=*)

				RESUME_DEV=""
				retval=1
				
				if [ "${retval}" -ne '0' ]; then
					RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
					retval=$?
				fi
				
				if [ "$retval" -ne '0' ]; then
					RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
					retval=$?
				fi
				
				if [ "${retval}" -ne '0' ]; then
					RESUME_DEV=`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
					retval=$?
				fi
				
				if [ "${retval}" -eq '0' ] && [ -n "${RESUME_DEV}" ]; then
					good_msg "Detected real_resume=${RESUME_DEV}"
					REAL_RESUME="${RESUME_DEV}"
				fi
				;;
		esac

		do_resume
	fi
fi

mkdir -p "${NEW_ROOT}"
CHROOT="${NEW_ROOT}"

# Run debug shell if requested
rundebugshell

if [ "${CDROOT}" = '1' ]
then
	good_msg "Making tmpfs for ${NEW_ROOT}"
	mount -n -t tmpfs tmpfs "${NEW_ROOT}"
	
	for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
	do
		mkdir -p "${NEW_ROOT}/${i}"
		chmod 755 "${NEW_ROOT}/${i}"
	done
	[ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
	[ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1

	# For SGI LiveCDs ...
	if [ "${LOOPTYPE}" = "sgimips" ]
	then
		[ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
		[ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
	fi

	# Required for splash to work.  Not an issue with the initrd as this
	# device isn't created there and is not needed.
	if [ -e /dev/tty1 ]
	then
		[ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
	fi

	if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
	then
		bootstrapCD
	fi

	if [ "${REAL_ROOT}" = '' ]
	then
		echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
		
		COUNTER=0
		while [ ${COUNTER} -lt 3 ]; do
			sleep 3
			echo -n '.'
			let COUNTER=${COUNTER}+1
		done

		sleep 1
		echo -e "${NORMAL}"
		bootstrapCD
	fi

	if [ "${REAL_ROOT}" = '' ]
	then
		# Undo stuff
		umount  "${NEW_ROOT}/dev" 2>/dev/null
		umount  "${NEW_ROOT}/sys" 2>/dev/null
		umount /sys 2>/dev/null

		umount  "${NEW_ROOT}"
		rm -rf  "${NEW_ROOT}/*"

		bad_msg 'Could not find CD to boot, something else needed!'
		CDROOT=0
	fi
fi

# Determine root device
good_msg 'Determining root device...'
while true
do
	while [ "${got_good_root}" != '1' ]
	do
		case "${REAL_ROOT}" in
			LABEL\=*|UUID\=*)
			
				ROOT_DEV=""
				retval=1
				
				if [ "${retval}" -ne '0' ]; then
					ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
					retval=$?
				fi
				
				if [ "$retval" -ne '0' ]; then
					ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
					retval=$?
				fi
				
				if [ "${retval}" -ne '0' ]; then
					ROOT_DEV=`blkid -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
					retval=$?
				fi
				
				if [ "${retval}" -eq '0' ] && [ -n "${ROOT_DEV}" ]; then
					good_msg "Detected real_root=${ROOT_DEV}"
					REAL_ROOT="${ROOT_DEV}"
				else
					whereis "REAL_ROOT" "root block device"
					got_good_root=0
					continue
				fi
				;;
		esac
				
		if [ "${REAL_ROOT}" = '' ]
		then
			# No REAL_ROOT determined/specified. Prompt user for root block device.
			whereis "REAL_ROOT" "root block device"
			got_good_root=0

		# Check for a block device or /dev/nfs
		elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
		then
			got_good_root=1

		else
			bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
			REAL_ROOT=""
			got_good_root=0
		fi
	done


	if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
	then
		# CD already mounted; no further checks necessary
		break
	elif [ "${LOOPTYPE}" = "sgimips" ]
	then
		# sgimips mounts the livecd root partition directly
		# there is no isofs filesystem to worry about
		break
	else
		good_msg "Mounting root..."

		# Try to mount the device as ${NEW_ROOT}
		if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
			findnfsmount
		else
			# mount ro so fsck doesn't barf later
			if [ "${REAL_ROOTFLAGS}" = '' ]; then
				mount -o ro ${REAL_ROOT} ${NEW_ROOT}
			else
				good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
				mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
			fi
		fi
		
		# If mount is successful break out of the loop 
		# else not a good root and start over.
		if [ "$?" = '0' ]
		then
			if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
			then
				break
			else
				bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
				got_good_root=0
				REAL_ROOT=''
			fi
		else
			bad_msg "Could not mount specified ROOT, try again"
			got_good_root=0
			REAL_ROOT=''
		fi
	fi
done
# End determine root device

#verbose_kmsg

# If CD root is set determine the looptype to boot
if [ "${CDROOT}" = '1' ]
then
	good_msg 'Determining looptype ...'
	cd "${NEW_ROOT}"

	# Find loop and looptype
	[ -z "${LOOP}" ] && find_loop
	[ -z "${LOOPTYPE}" ] && find_looptype

	cache_cd_contents

	# If encrypted, find key and mount, otherwise mount as usual
	if [ -n "${CRYPT_ROOT}" ]
	then
		CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
		CRYPT_ROOT='/dev/loop0'
		good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"

		losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
		test_success 'Preparing loop filesystem'

		startLUKS

		case ${LOOPTYPE} in
			normal)
				MOUNTTYPE="ext2"
				;;
			*)
				MOUNTTYPE="${LOOPTYPE}"
				;;
		esac
		mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
		test_success 'Mount filesystem'
		FS_LOCATION='mnt/livecd'
	# Setup the loopback mounts, if unencrypted
	else
		if [ "${LOOPTYPE}" = 'normal' ]
		then
			good_msg 'Mounting loop filesystem'
			mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
			test_success 'Mount filesystem'
			FS_LOCATION='mnt/livecd'
		elif [ "${LOOPTYPE}" = 'squashfs' ]
		then
			good_msg 'Mounting squashfs filesystem'
			mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
			test_success 'Mount filesystem'
			FS_LOCATION='mnt/livecd'
		elif [ "${LOOPTYPE}" = 'gcloop' ]
		then
			good_msg 'Mounting gcloop filesystem'
			echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
			test_success 'losetup the loop device'

			mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
			test_success 'Mount the losetup loop device'
			FS_LOCATION='mnt/livecd'
		elif [ "${LOOPTYPE}" = 'zisofs' ]
		then
			FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
		elif [ "${LOOPTYPE}" = 'noloop' ]
		then
			FS_LOCATION='mnt/cdrom'
		elif [ "${LOOPTYPE}" = 'sgimips' ]
		then
			# getdvhoff finds the starting offset (in bytes) of the squashfs
			# partition on the cdrom and returns this offset for losetup
			#
			# All currently supported SGI Systems use SCSI CD-ROMs, so
			# so we know that the CD-ROM is usually going to be /dev/sr0.
			#
			# We use the value given to losetup to set /dev/loop0 to point
			# to the liveCD root partition, and then mount /dev/loop0 as
			# the LiveCD rootfs
			good_msg 'Locating the SGI LiveCD Root Partition'
			echo ' ' | \
				losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
					"${NEW_ROOT}${CDROOT_DEV}" \
					"${NEW_ROOT}${REAL_ROOT}"
			test_success 'losetup /dev/sr0 /dev/loop0'
	
			good_msg 'Mounting the Root Partition'
			mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
			test_success 'mount /dev/loop0 /'
			FS_LOCATION='mnt/livecd'
		fi
	fi



	# Unpacking additional packages from NFS mount
	# This is useful for adding kernel modules to /lib
	# We do this now, so that additional packages can add whereever they want.
	if [ "${REAL_ROOT}" = '/dev/nfs' ]
	then
		if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
		then
				for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
				do	
					tarname=`basename ${targz}`
					good_msg "Adding additional package ${tarname}"
					(cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
				done
		fi
	fi


	if [ "${USE_UNIONFS_NORMAL}" = '1' ]
	then
		setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
		CHROOT=/union
	else
	
	good_msg "Copying read-write image contents to tmpfs"
	# Copy over stuff that should be writable
	(cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")

	# Now we do the links.
	for x in ${ROOT_LINKS}
	do
		if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
		then
			ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
		else
			# List all subdirectories of x
			find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
			do
				# Strip the prefix of the FS_LOCATION
				directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"

				# Skip this directory if we already linked a parent directory
				if [ "${curent_parrent}" != '' ]; then
					var=`echo "${directory}" | grep "^${curent_parrent}"`
					if [ "${var}" != '' ]; then
						continue
					fi
				fi
				# Test if the directory exists already
				if [ -e "/${NEW_ROOT}/${directory}" ]
				then
					# It does exist, link all the individual files
					for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
					do
					if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
							ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
						fi
					done
				else
					# It does not exist, make a link to the livecd
					ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
					current_parent="${directory}"
				fi
			done
		fi
	done

	if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
	then
		sleep 10
	fi
	mkdir initramfs proc tmp sys 2>/dev/null
	chmod 1777 tmp

	fi

	#UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
	#if [ "${UML}" = 'UML' ]
	#then
	#	# UML Fixes
	#	good_msg 'Updating for uml system'
	#fi

	# Let Init scripts know that we booted from CD
	export CDBOOT
	CDBOOT=1
	check_slowusb
	if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
	then
		sleep 10
	fi
else
	if [ "${USE_UNIONFS_NORMAL}" = '1' ]
	then
		mkdir /union_changes
		mount -t tmpfs tmpfs /union_changes
		setup_unionfs /union_changes ${NEW_ROOT}
		mkdir -p ${UNION}/tmp/.initrd
	fi
fi

# Execute script on the cdrom just before boot to update things if necessary
cdupdate

if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
then
	good_msg "Entering ${SUBDIR} to boot"
	CHROOT="${CHROOT}/${SUBDIR}"
fi

verbose_kmsg

echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
then
	echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
then
	echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
fi

cd "${CHROOT}"
mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
echo -ne "${BOLD}.${NORMAL}"
umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
echo -e "${BOLD}.${NORMAL}"

exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"

# If we get here, something bad has happened
splash 'verbose'

echo 'A fatal error has probably occured since /sbin/init did not'
echo 'boot correctly. Trying to open a shell...'
echo
exec /bin/bash
exec /bin/sh
exec /bin/ash
exec sh