trunk/mkinitrd/mkinitrd-livecd.sh

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd-livecd.sh,v 1.8 2008-03-31 13:48:24 niro Exp $

# mkinitrd-livecd
#
# Copyright 2005 Red Hat, Inc.
#
# Written by Erik Troan <ewt@redhat.com>
#
# Contributors:
#	Elliot Lee <sopwith@cuc.edu>
#	Miguel de Icaza <miguel@nuclecu.unam.mx>
#	Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de>
#	Michael K. Johnson <johnsonm@redhat.com>
#	Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr>
#	Jakub Jelinek <jakub@redhat.com>
#	Carlo Arenas Belon (carenas@chasqui.lared.net.pe>
#	Keith Owens <kaos@ocs.com.au>
#	Bernhard Rosenkraenzer <bero@redhat.com>
#	Matt Wilson <msw@redhat.com>
#       Trond Eivind Glomsrød <teg@redhat.com>
#       Jeremy Katz <katzj@redhat.com>
#       Preston Brown <pbrown@redhat.com>
#	Bill Nottingham <notting@redhat.com>
#       Guillaume Cottenceau <gc@mandrakesoft.com>
#	Peter Jones <pjones@redhat.com>

# heavily modified for magellan-linux by Niels Rogalla <niro@magellan-linux.de>

umask 0022
export MALLOC_PERTURB_=204

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

VERSION=5.0.8

MODULES=""
NOSTRIP=false

[ -e /etc/conf.d/mkinitrd-livecd ] && . /etc/conf.d/mkinitrd-livecd

LINUXRC="/usr/lib/mkinitrd/linuxrc.sh"
MODULES_GENERIC="/usr/lib/mkinitrd/modules.generic"
MODULES_USB="/usr/lib/mkinitrd/modules.usb"
MODULES_SCSI="/usr/lib/mkinitrd/modules.scsi"
MODULES_SATA="/usr/lib/mkinitrd/modules.sata"
MODULES_PATA="/usr/lib/mkinitrd/modules.pata"
MAKEDEV="/usr/lib/mkinitrd/MAKEDEV.sh"

compress=1
allowmissing=""
target=""
kernel=""
force=""
verbose=""
img_vers=""
builtins=""
modulefile=/etc/modules.conf
rc=0

IMAGESIZE=4000
PRESCSIMODS="sd_mod"
fstab="/etc/fstab"

vg_list=""

die() { echo "Error: $@"; exit 1; }
add_initrd() { echo "$@" >> ${DEST}/init || die; }

DEST="$(mktemp -d)"
IMAGE="$(mktemp)"

usage()
{
	echo "usage: $(basename $0) [--version] [--help] [-v] [-f]"
	echo "       [--image-version] [--no-strip] [--nocompress]"
	echo "        <initrd-image> <kernel-version>"
	echo
	echo "       (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)"

	exit 0
}

moduledep()
{
	if [ ! -f "/lib/modules/${kernel}/modules.dep" ]
	then
		die "No dep file found for kernel ${kernel}"
	fi

	echo "Looking for deps of module $1"
	deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \
		function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \
		function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \
		/^\/lib/ { show(); \
			orig=modname($1); dep=""; \
			if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \
		/^	/ { dep=sprintf("%s %s", dep, modname($1));  } \
		END      { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1)
	[ -n "${deps}" ] && echo ":${deps}" || echo
}

findone() { /usr/bin/find "$@" | /bin/awk '{ print $1; exit; }'; }
findall() { /usr/bin/find "$@"; }

findmodule()
{
	skiperrors=""

	if [[ $1 = --skiperrors ]]
	then
		skiperrors=--skiperrors
		shift
	fi

	local modName=$1

	if [ "${modName}" = "off" -o "${modName}" = "null" ]
	then
		return
	fi

	if [ $(echo ${modName} | cut -b1) = "-" ]
	then
		skiperrors=--skiperrors
		modName=$(echo ${modName} | cut -b2-)
	fi

	case "${MODULES} " in
		*"/${modName}.ko "*) return ;;
	esac

	if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)'
	then
		echo "module ${modName} assumed to be built in"
		return
	fi

	# special cases
	if [[ ${modName} = i2o_block ]]
	then
		findmodule i2o_core
		findmodule -i2o_pci
		modName="i2o_block"
	elif [[ ${modName} = ppa ]]
	then
		findmodule parport
		findmodule parport_pc
		modName="ppa"
	elif [[ ${modName} = sbp2 ]]
	then
		findmodule ieee1394
		findmodule ohci1394
		modName="sbp2"
	else
		moduledep ${modName}
		for i in ${deps}
		do
			findmodule ${i}
		done
	fi

	for modExt in o.gz o ko
	do
		for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel}
		do
			if [ -d ${modDir} ]
			then
				fmPath=$(findone ${modDir} -name ${modName}.${modExt})
				if [ -f "${fmPath}" ]
				then
					break 2
				fi
			fi
		done
	done

	if [ ! -f ${fmPath} ]
	then
		if [ -n "${skiperrors}" ]
		then
			return
		fi

		# ignore the absence of the scsi modules
		for n in ${PRESCSIMODS}
		do
			if [[ ${n} = ${modName} ]]
			then
				return
			fi
		done

		if [ -n "${allowmissing}" ]
		then
			echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway"
			return
		fi

		die "No module ${modName} found for kernel ${kernel}, aborting."
	fi

	# only need to add each module once
	MODULES="${MODULES} ${fmPath}"
}

install_kernel_modules()
{
	local list="$1"
	local module

	while read module args
	do
		case "${module}" in
			\#*|"") continue ;;
		esac

		findmodule ${module}
	done << EOF
$(cat ${list}; echo)
EOF

	# create empty modules.lala file
	:> ${DEST}/etc/$(basename ${list})

	# install detected modules
	echo "Coping your modules to '${DEST}/lib' ..."
	for MODULE in ${MODULES}
	do
		if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
		then
			/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die
		else
			cp ${verbose} -a ${MODULE} ${DEST}/lib || die
		fi

		# generate modules load file
		echo "$(basename ${MODULE} .ko)" >> ${DEST}/etc/$(basename ${list}) || die
	done

	export ALL_MODULES="${ALL_MODULES} ${MODULES}"
	unset MODULES
}

# need r00t privs
[[ $(id -u) != 0 ]] && die "you must be r00t."

# enforce initramfs method as default
[[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs

while [ $# -gt 0 ]; do
	case $1 in
		--version)
			echo "mkinitrd: version ${VERSION}"
			exit 0
			;;

		-v) verbose=-v ;;
		-f) force=1 ;;
		--nocompress) compress="" ;;
		--image-version) img_vers=yes ;;
		--allow-missing) allowmissing=yes ;;
		--noresume) noresume=1 ;;
		--help) usage -n ;;
		--initramfs) IMAGE_TYPE=initramfs ;;
		--loopback) IMAGE_TYPE=loopback ;;
		--no-strip) NOSTRIP=true ;;
		*)
			if [ -z "${target}" ]
			then
				target=$1
			elif [ -z "${kernel}" ]
			then
				kernel=$1
			else
				usage
			fi
			;;
	esac

	shift
done


# create basic filesystem layout
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} || die

# install busybox
echo "$(which busybox.mkinitrd)"
install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die
for i in '[' ash basename cat cut clear cp dirname echo env false find \
	grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \
	ps pwd rm rmdir sh sleep test touch true umount uname \
	xargs yes chmod chown
do
	# use soft links from now on;
	# hardlinks in initramfs apears to be broken on newer kernels
	# -> "request module: runaway loop modprobe binfmt-0000"
	# see: http://www.gossamer-threads.com/lists/linux/kernel/728042
	ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}"
done

# sbin related
for i in chroot init losetup modprobe pivot_root
do
	# static links
	ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}"
done

# install run-init
echo "$(which run-init.mkinitrd)"
install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die

# install insmod.static
echo "$(which insmod.static)"
install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die

# install v86d for uvesafb support if installed
if which v86d &> /dev/null
then
	echo "$(which insmod.static)"
	install -m0755 $(which v86d) ${DEST}/sbin/v86d || die
fi

# create some needed device nodes
install -o root -g root -m0754 ${MAKEDEV} ${DEST}/dev/MAKEDEV || die
( cd ${DEST}/dev; ./MAKEDEV -v generic-nopty)

## install kernel modules ##
# generic needed
install_kernel_modules "${MODULES_GENERIC}"

# usb
install_kernel_modules "${MODULES_USB}"

# scsi
install_kernel_modules "${MODULES_SCSI}"

# sata
install_kernel_modules "${MODULES_SATA}"

# pata
install_kernel_modules "${MODULES_PATA}"

# show all modules
for i in ${ALL_MODULES}
do
	echo ${i}
done

# install linuxrc
install -m0755 ${LINUXRC} ${DEST}/init || die

# create the image
echo "Creating initrd image '${target}' ..."
if [[ ${IMAGE_TYPE} = initramfs ]]
then
	(cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE})
	cat ${IMAGE} > ${target} || die
fi

if [[ ${IMAGE_TYPE} = loopback ]]
then
	MOUNTTMP="$(mktemp -d)"

	# create ext2 img
	dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die
	mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die
	mount -o loop ${IMAGE} ${MOUNTTMP} || die
	mv ${DEST}/* ${MOUNTTMP} || die
	umount ${MOUNTTMP} || die
	gzip -9 ${IMAGE} || die
	cat ${IMAGE}.gz > ${target} || die
	[ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP}

	# create inird dir for pivot_root
	[ ! -d /initrd ] && { install -d /initrd || die; }
fi

# clean up
[ -d ${DEST} ] && rm -rf ${DEST}
[ -f ${IMAGE} ] && rm -f ${IMAGE}

# all went ok at this point
exit 0
1	#!/bin/bash
2	# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd-livecd.sh,v 1.8 2008-03-31 13:48:24 niro Exp $
3
4	# mkinitrd-livecd
5	#
6	# Copyright 2005 Red Hat, Inc.
7	#
8	# Written by Erik Troan <ewt@redhat.com>
9	#
10	# Contributors:
11	# Elliot Lee <sopwith@cuc.edu>
12	# Miguel de Icaza <miguel@nuclecu.unam.mx>
13	# Christian 'Dr. Disk' Hechelmann <drdisk@ds9.au.s.shuttle.de>
14	# Michael K. Johnson <johnsonm@redhat.com>
15	# Pierre Habraken <Pierre.Habraken@ujf-grenoble.fr>
16	# Jakub Jelinek <jakub@redhat.com>
17	# Carlo Arenas Belon (carenas@chasqui.lared.net.pe>
18	# Keith Owens <kaos@ocs.com.au>
19	# Bernhard Rosenkraenzer <bero@redhat.com>
20	# Matt Wilson <msw@redhat.com>
21	# Trond Eivind Glomsrød <teg@redhat.com>
22	# Jeremy Katz <katzj@redhat.com>
23	# Preston Brown <pbrown@redhat.com>
24	# Bill Nottingham <notting@redhat.com>
25	# Guillaume Cottenceau <gc@mandrakesoft.com>
26	# Peter Jones <pjones@redhat.com>
27
28	# heavily modified for magellan-linux by Niels Rogalla <niro@magellan-linux.de>
29
30	umask 0022
31	export MALLOC_PERTURB_=204
32
33	PATH=/sbin:/usr/sbin:/bin:/usr/bin:$PATH
34	export PATH
35
36	VERSION=5.0.8
37
38	MODULES=""
39	NOSTRIP=false
40
41	[ -e /etc/conf.d/mkinitrd-livecd ] && . /etc/conf.d/mkinitrd-livecd
42
43	LINUXRC="/usr/lib/mkinitrd/linuxrc.sh"
44	MODULES_GENERIC="/usr/lib/mkinitrd/modules.generic"
45	MODULES_USB="/usr/lib/mkinitrd/modules.usb"
46	MODULES_SCSI="/usr/lib/mkinitrd/modules.scsi"
47	MODULES_SATA="/usr/lib/mkinitrd/modules.sata"
48	MODULES_PATA="/usr/lib/mkinitrd/modules.pata"
49	MAKEDEV="/usr/lib/mkinitrd/MAKEDEV.sh"
50
51	compress=1
52	allowmissing=""
53	target=""
54	kernel=""
55	force=""
56	verbose=""
57	img_vers=""
58	builtins=""
59	modulefile=/etc/modules.conf
60	rc=0
61
62	IMAGESIZE=4000
63	PRESCSIMODS="sd_mod"
64	fstab="/etc/fstab"
65
66	vg_list=""
67
68	die() { echo "Error: $@"; exit 1; }
69	add_initrd() { echo "$@" >> ${DEST}/init \|\| die; }
70
71	DEST="$(mktemp -d)"
72	IMAGE="$(mktemp)"
73
74	usage()
75	{
76	echo "usage: $(basename $0) [--version] [--help] [-v] [-f]"
77	echo " [--image-version] [--no-strip] [--nocompress]"
78	echo " <initrd-image> <kernel-version>"
79	echo
80	echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)"
81
82	exit 0
83	}
84
85	moduledep()
86	{
87	if [ ! -f "/lib/modules/${kernel}/modules.dep" ]
88	then
89	die "No dep file found for kernel ${kernel}"
90	fi
91
92	echo "Looking for deps of module $1"
93	deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \
94	function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \
95	function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \
96	/^\/lib/ { show(); \
97	orig=modname($1); dep=""; \
98	if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \
99	/^ / { dep=sprintf("%s %s", dep, modname($1)); } \
100	END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1)
101	[ -n "${deps}" ] && echo ":${deps}" \|\| echo
102	}
103
104	findone() { /usr/bin/find "$@" \| /bin/awk '{ print $1; exit; }'; }
105	findall() { /usr/bin/find "$@"; }
106
107	findmodule()
108	{
109	skiperrors=""
110
111	if [[ $1 = --skiperrors ]]
112	then
113	skiperrors=--skiperrors
114	shift
115	fi
116
117	local modName=$1
118
119	if [ "${modName}" = "off" -o "${modName}" = "null" ]
120	then
121	return
122	fi
123
124	if [ $(echo ${modName} \| cut -b1) = "-" ]
125	then
126	skiperrors=--skiperrors
127	modName=$(echo ${modName} \| cut -b2-)
128	fi
129
130	case "${MODULES} " in
131	"/${modName}.ko ") return ;;
132	esac
133
134	if echo ${builtins} \| egrep -q '(^\| )'${modName}'( \|$)'
135	then
136	echo "module ${modName} assumed to be built in"
137	return
138	fi
139
140	# special cases
141	if [[ ${modName} = i2o_block ]]
142	then
143	findmodule i2o_core
144	findmodule -i2o_pci
145	modName="i2o_block"
146	elif [[ ${modName} = ppa ]]
147	then
148	findmodule parport
149	findmodule parport_pc
150	modName="ppa"
151	elif [[ ${modName} = sbp2 ]]
152	then
153	findmodule ieee1394
154	findmodule ohci1394
155	modName="sbp2"
156	else
157	moduledep ${modName}
158	for i in ${deps}
159	do
160	findmodule ${i}
161	done
162	fi
163
164	for modExt in o.gz o ko
165	do
166	for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel}
167	do
168	if [ -d ${modDir} ]
169	then
170	fmPath=$(findone ${modDir} -name ${modName}.${modExt})
171	if [ -f "${fmPath}" ]
172	then
173	break 2
174	fi
175	fi
176	done
177	done
178
179	if [ ! -f ${fmPath} ]
180	then
181	if [ -n "${skiperrors}" ]
182	then
183	return
184	fi
185
186	# ignore the absence of the scsi modules
187	for n in ${PRESCSIMODS}
188	do
189	if [[ ${n} = ${modName} ]]
190	then
191	return
192	fi
193	done
194
195	if [ -n "${allowmissing}" ]
196	then
197	echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway"
198	return
199	fi
200
201	die "No module ${modName} found for kernel ${kernel}, aborting."
202	fi
203
204	# only need to add each module once
205	MODULES="${MODULES} ${fmPath}"
206	}
207
208	install_kernel_modules()
209	{
210	local list="$1"
211	local module
212
213	while read module args
214	do
215	case "${module}" in
216	\#*\|"") continue ;;
217	esac
218
219	findmodule ${module}
220	done << EOF
221	$(cat ${list}; echo)
222	EOF
223
224	# create empty modules.lala file
225	:> ${DEST}/etc/$(basename ${list})
226
227	# install detected modules
228	echo "Coping your modules to '${DEST}/lib' ..."
229	for MODULE in ${MODULES}
230	do
231	if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
232	then
233	/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) \|\| die
234	else
235	cp ${verbose} -a ${MODULE} ${DEST}/lib \|\| die
236	fi
237
238	# generate modules load file
239	echo "$(basename ${MODULE} .ko)" >> ${DEST}/etc/$(basename ${list}) \|\| die
240	done
241
242	export ALL_MODULES="${ALL_MODULES} ${MODULES}"
243	unset MODULES
244	}
245
246	# need r00t privs
247	[[ $(id -u) != 0 ]] && die "you must be r00t."
248
249	# enforce initramfs method as default
250	[[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs
251
252	while [ $# -gt 0 ]; do
253	case $1 in
254	--version)
255	echo "mkinitrd: version ${VERSION}"
256	exit 0
257	;;
258
259	-v) verbose=-v ;;
260	-f) force=1 ;;
261	--nocompress) compress="" ;;
262	--image-version) img_vers=yes ;;
263	--allow-missing) allowmissing=yes ;;
264	--noresume) noresume=1 ;;
265	--help) usage -n ;;
266	--initramfs) IMAGE_TYPE=initramfs ;;
267	--loopback) IMAGE_TYPE=loopback ;;
268	--no-strip) NOSTRIP=true ;;
269	*)
270	if [ -z "${target}" ]
271	then
272	target=$1
273	elif [ -z "${kernel}" ]
274	then
275	kernel=$1
276	else
277	usage
278	fi
279	;;
280	esac
281
282	shift
283	done
284
285
286	# create basic filesystem layout
287	install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} \|\| die
288
289	# install busybox
290	echo "$(which busybox.mkinitrd)"
291	install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox \|\| die
292	for i in '[' ash basename cat cut clear cp dirname echo env false find \
293	grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \
294	ps pwd rm rmdir sh sleep test touch true umount uname \
295	xargs yes chmod chown
296	do
297	# use soft links from now on;
298	# hardlinks in initramfs apears to be broken on newer kernels
299	# -> "request module: runaway loop modprobe binfmt-0000"
300	# see: http://www.gossamer-threads.com/lists/linux/kernel/728042
301	ln -s /bin/busybox ${DEST}/bin/${i} \|\| die "${i}"
302	done
303
304	# sbin related
305	for i in chroot init losetup modprobe pivot_root
306	do
307	# static links
308	ln ${DEST}/bin/busybox ${DEST}/sbin/${i} \|\| die "${i}"
309	done
310
311	# install run-init
312	echo "$(which run-init.mkinitrd)"
313	install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init \|\| die
314
315	# install insmod.static
316	echo "$(which insmod.static)"
317	install -m0755 $(which insmod.static) ${DEST}/sbin/insmod \|\| die
318
319	# install v86d for uvesafb support if installed
320	if which v86d &> /dev/null
321	then
322	echo "$(which insmod.static)"
323	install -m0755 $(which v86d) ${DEST}/sbin/v86d \|\| die
324	fi
325
326	# create some needed device nodes
327	install -o root -g root -m0754 ${MAKEDEV} ${DEST}/dev/MAKEDEV \|\| die
328	( cd ${DEST}/dev; ./MAKEDEV -v generic-nopty)
329
330	## install kernel modules ##
331	# generic needed
332	install_kernel_modules "${MODULES_GENERIC}"
333
334	# usb
335	install_kernel_modules "${MODULES_USB}"
336
337	# scsi
338	install_kernel_modules "${MODULES_SCSI}"
339
340	# sata
341	install_kernel_modules "${MODULES_SATA}"
342
343	# pata
344	install_kernel_modules "${MODULES_PATA}"
345
346	# show all modules
347	for i in ${ALL_MODULES}
348	do
349	echo ${i}
350	done
351
352	# install linuxrc
353	install -m0755 ${LINUXRC} ${DEST}/init \|\| die
354
355	# create the image
356	echo "Creating initrd image '${target}' ..."
357	if [[ ${IMAGE_TYPE} = initramfs ]]
358	then
359	(cd "${DEST}" ; find . \| cpio --quiet -o -H newc \| gzip -9 >${IMAGE})
360	cat ${IMAGE} > ${target} \|\| die
361	fi
362
363	if [[ ${IMAGE_TYPE} = loopback ]]
364	then
365	MOUNTTMP="$(mktemp -d)"
366
367	# create ext2 img
368	dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null \|\| die
369	mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null \|\| die
370	mount -o loop ${IMAGE} ${MOUNTTMP} \|\| die
371	mv ${DEST}/* ${MOUNTTMP} \|\| die
372	umount ${MOUNTTMP} \|\| die
373	gzip -9 ${IMAGE} \|\| die
374	cat ${IMAGE}.gz > ${target} \|\| die
375	[ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP}
376
377	# create inird dir for pivot_root
378	[ ! -d /initrd ] && { install -d /initrd \|\| die; }
379	fi
380
381	# clean up
382	[ -d ${DEST} ] && rm -rf ${DEST}
383	[ -f ${IMAGE} ] && rm -f ${IMAGE}
384
385	# all went ok at this point
386	exit 0