#!/bin/sh

echo "Loading, please wait..."

[ -d /dev ] || mkdir -m 0755 /dev
[ -d /root ] || mkdir --mode=0700 /root
[ -d /sys ] || mkdir /sys
[ -d /proc ] || mkdir /proc
[ -d /tmp ] || mkdir /tmp
mkdir -p /var/lock
mount -t sysfs none /sys
mount -t proc none /proc

# Note that this only becomes /dev on the real filesystem if udev's scripts
# are used; which they will be, but it's worth pointing out
tmpfs_size="10M"
if [ -e /etc/udev/udev.conf ]; then
	. /etc/udev/udev.conf
fi
mount -t tmpfs -o size=$tmpfs_size,mode=0755 udev /dev
[ -e /dev/console ] || mknod /dev/console c 5 1
[ -e /dev/null ] || mknod /dev/null c 1 3
> /dev/.initramfs-tools
mkdir /dev/.initramfs

# Export the dpkg architecture
export DPKG_ARCH=
. /conf/arch.conf

# Export it for root hardcoding
export ROOT=

# Bring in the main config
. /conf/initramfs.conf
for i in conf/conf.d/*; do
	[ -f ${i} ] && . ${i}
done
. /scripts/functions

# Parse command line options
export break=
export init=/sbin/init
export quiet=n
export readonly=y
export rootmnt=/root
export debug=
export cryptopts=${CRYPTOPTS}
export panic

for x in $(cat /proc/cmdline); do
	case $x in
	init=*)
		init=${x#init=}
		;;
	root=*)
		ROOT=${x#root=}
		case $ROOT in
		LABEL=*)
			ROOT="/dev/disk/by-label/${ROOT#LABEL=}"
			;;
		UUID=*)
			ROOT="/dev/disk/by-uuid/${ROOT#UUID=}"
			;;
		/dev/nfs)
			BOOT=nfs
			;;
		esac
		;;
	rootflags=*)
		ROOTFLAGS="-o ${x#rootflags=}"
		;;
	rootfstype=*)
		ROOTFSTYPE="${x#rootfstype=}"
		;;
	rootdelay=*)
		ROOTDELAY="${x#rootdelay=}"
		;;
	cryptopts=*)
		cryptopts="${x#cryptopts=}"
		;;
	nfsroot=*)
		NFSROOT="${x#nfsroot=}"
		;;
	ip=*)
		IPOPTS="${x#ip=}"
		;;
	boot=*)
		BOOT=${x#boot=}
		;;
	resume=*)
		RESUME="${x#resume=}"
		;;
	noresume)
		NORESUME=y
		;;
	panic=*)
		panic="${x#panic=}"
		;;
	quiet)
		quiet=y
		;;
	ro)
		readonly=y
		;;
	rw)
		readonly=n
		;;
	debug)
		debug=y
		exec >/tmp/initramfs.debug 2>&1
		set -x
		;;
	debug=*)
		debug=y
		set -x
		;;
	break=*)
		break=${x#break=}
		;;
	break)
		break=premount
		;;
	esac
done

if [ -z "${NORESUME}" ]; then
	export resume=${RESUME}
fi

depmod -a
maybe_break top

# Don't do log messages here to avoid confusing usplash
run_scripts /scripts/init-top

maybe_break modules
log_begin_msg "Loading essential drivers..."
load_modules
log_end_msg

maybe_break premount
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-premount"
run_scripts /scripts/init-premount
[ "$quiet" != "y" ] && log_end_msg

maybe_break mount
log_begin_msg "Mounting root file system..."
. /scripts/${BOOT}
parse_numeric ${ROOT}
mountroot
log_end_msg

maybe_break bottom
[ "$quiet" != "y" ] && log_begin_msg "Running /scripts/init-bottom"
run_scripts /scripts/init-bottom
[ "$quiet" != "y" ] && log_end_msg

# Move virtual filesystems over to the real filesystem
mount -n -o move /sys ${rootmnt}/sys
mount -n -o move /proc ${rootmnt}/proc

while [ ! -x ${rootmnt}${init} ]; do
	panic "Target filesystem doesn't have ${init}"
done

# Confuses /etc/init.d/rc
if [ -n ${debug} ]; then
	unset debug
fi

# Chain to real filesystem
maybe_break init
exec run-init ${rootmnt} ${init} "$@" <${rootmnt}/dev/console >${rootmnt}/dev/console