trunk/mkinitrd/mkinitrd-livecd.sh

#!/bin/bash
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd-livecd.sh,v 1.1 2006-02-21 00:02:17 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="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/linuxrc.sh"
#MODULES_GENERIC="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.generic"
#MODULES_USB="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.usb"
#MODULES_SCSI="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.scsi"
#MODULES_SATA="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.sata"

LINUXRC="/usr/lib/mkinitrd-livecd/linuxrc.sh"
MODULES_GENERIC="/usr/lib/mkinitrd-livecd/modules.generic"
MODULES_USB="/usr/lib/mkinitrd-livecd/modules.usb"
MODULES_SCSI="/usr/lib/mkinitrd-livecd/modules.scsi"
MODULES_SATA="/usr/lib/mkinitrd-livecd/modules.sata"

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."

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,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 chroot clear cp dirname echo env false find \
	grep gunzip gzip init ln ls loadkmap losetup mkdir mknod modprobe more mount mv \
	pivot_root ps pwd rm rmdir sh sleep test touch true umount uname \
	xargs yes chmod chown
do
	# static links
	ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}"
done

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

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

# install udev
cp -a /etc/udev ${DEST}/etc || die
install -m0755 /sbin/udev.static ${DEST}/bin/udev || die
install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die
install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die

# create some needed device nodes
mkdir ${DEST}/dev/mapper || die
mknod ${DEST}/dev/console c 5 1 || die
mknod ${DEST}/dev/null c 1 3 || die
mknod ${DEST}/dev/ram b 1 1 || die
mknod ${DEST}/dev/rtc c 10 135 || die
mknod ${DEST}/dev/systty c 4 0 || die
mknod ${DEST}/dev/tty c 5 0 || die
mknod ${DEST}/dev/zero c 1 5 || die
for ((i=0; i < 13; i++))
do
	mknod ${DEST}/dev/tty${i} c 4 ${i} || die "tty${i}"
done
for ((i=64; i < 68; i++))
do
	mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} || die "ttyS$((${i} - 64))"
done

## 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}"

# 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 1.1 2006-02-21 00:02:17 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="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/linuxrc.sh"
44	#MODULES_GENERIC="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.generic"
45	#MODULES_USB="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.usb"
46	#MODULES_SCSI="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.scsi"
47	#MODULES_SATA="/home/tjoke/alx-cvs/magellan-src/mkinitrd/lib/modules.sata"
48
49	LINUXRC="/usr/lib/mkinitrd-livecd/linuxrc.sh"
50	MODULES_GENERIC="/usr/lib/mkinitrd-livecd/modules.generic"
51	MODULES_USB="/usr/lib/mkinitrd-livecd/modules.usb"
52	MODULES_SCSI="/usr/lib/mkinitrd-livecd/modules.scsi"
53	MODULES_SATA="/usr/lib/mkinitrd-livecd/modules.sata"
54
55	compress=1
56	allowmissing=""
57	target=""
58	kernel=""
59	force=""
60	verbose=""
61	img_vers=""
62	builtins=""
63	modulefile=/etc/modules.conf
64	rc=0
65
66	IMAGESIZE=4000
67	PRESCSIMODS="sd_mod"
68	fstab="/etc/fstab"
69
70	vg_list=""
71
72	die() { echo "Error: $@"; exit 1; }
73	add_initrd() { echo "$@" >> ${DEST}/init \|\| die; }
74
75	DEST="$(mktemp -d)"
76	IMAGE="$(mktemp)"
77
78	usage()
79	{
80	echo "usage: $(basename $0) [--version] [--help] [-v] [-f]"
81	echo " [--image-version] [--no-strip] [--nocompress]"
82	echo " <initrd-image> <kernel-version>"
83	echo
84	echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)"
85
86	exit 0
87	}
88
89	moduledep()
90	{
91	if [ ! -f "/lib/modules/${kernel}/modules.dep" ]
92	then
93	die "No dep file found for kernel ${kernel}"
94	fi
95
96	echo "Looking for deps of module $1"
97	deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \
98	function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \
99	function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \
100	/^\/lib/ { show(); \
101	orig=modname($1); dep=""; \
102	if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \
103	/^ / { dep=sprintf("%s %s", dep, modname($1)); } \
104	END { show(); exit(rc) }' /lib/modules/${kernel}/modules.dep $1)
105	[ -n "${deps}" ] && echo ":${deps}" \|\| echo
106	}
107
108	findone() { /usr/bin/find "$@" \| /bin/awk '{ print $1; exit; }'; }
109	findall() { /usr/bin/find "$@"; }
110
111	findmodule()
112	{
113	skiperrors=""
114
115	if [[ $1 = --skiperrors ]]
116	then
117	skiperrors=--skiperrors
118	shift
119	fi
120
121	local modName=$1
122
123	if [ "${modName}" = "off" -o "${modName}" = "null" ]
124	then
125	return
126	fi
127
128	if [ $(echo ${modName} \| cut -b1) = "-" ]
129	then
130	skiperrors=--skiperrors
131	modName=$(echo ${modName} \| cut -b2-)
132	fi
133
134	case "${MODULES} " in
135	"/${modName}.ko ") return ;;
136	esac
137
138	if echo ${builtins} \| egrep -q '(^\| )'${modName}'( \|$)'
139	then
140	echo "module ${modName} assumed to be built in"
141	return
142	fi
143
144	# special cases
145	if [[ ${modName} = i2o_block ]]
146	then
147	findmodule i2o_core
148	findmodule -i2o_pci
149	modName="i2o_block"
150	elif [[ ${modName} = ppa ]]
151	then
152	findmodule parport
153	findmodule parport_pc
154	modName="ppa"
155	elif [[ ${modName} = sbp2 ]]
156	then
157	findmodule ieee1394
158	findmodule ohci1394
159	modName="sbp2"
160	else
161	moduledep ${modName}
162	for i in ${deps}
163	do
164	findmodule ${i}
165	done
166	fi
167
168	for modExt in o.gz o ko
169	do
170	for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel}
171	do
172	if [ -d ${modDir} ]
173	then
174	fmPath=$(findone ${modDir} -name ${modName}.${modExt})
175	if [ -f "${fmPath}" ]
176	then
177	break 2
178	fi
179	fi
180	done
181	done
182
183	if [ ! -f ${fmPath} ]
184	then
185	if [ -n "${skiperrors}" ]
186	then
187	return
188	fi
189
190	# ignore the absence of the scsi modules
191	for n in ${PRESCSIMODS}
192	do
193	if [[ ${n} = ${modName} ]]
194	then
195	return
196	fi
197	done
198
199	if [ -n "${allowmissing}" ]
200	then
201	echo "WARNING: No module ${modName} found for kernel ${kernel}, continuing anyway"
202	return
203	fi
204
205	die "No module ${modName} found for kernel ${kernel}, aborting."
206	fi
207
208	# only need to add each module once
209	MODULES="${MODULES} ${fmPath}"
210	}
211
212	install_kernel_modules()
213	{
214	local list="$1"
215	local module
216
217	while read module args
218	do
219	case "${module}" in
220	\#*\|"") continue ;;
221	esac
222
223	findmodule ${module}
224	done << EOF
225	$(cat ${list}; echo)
226	EOF
227
228	# create empty modules.lala file
229	:> ${DEST}/etc/$(basename ${list})
230
231	# install detected modules
232	echo "Coping your modules to '${DEST}/lib' ..."
233	for MODULE in ${MODULES}
234	do
235	if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]]
236	then
237	/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) \|\| die
238	else
239	cp ${verbose} -a ${MODULE} ${DEST}/lib \|\| die
240	fi
241
242	# generate modules load file
243	echo "$(basename ${MODULE} .ko)" >> ${DEST}/etc/$(basename ${list}) \|\| die
244	done
245
246	export ALL_MODULES="${ALL_MODULES} ${MODULES}"
247	unset MODULES
248	}
249
250	# need r00t privs
251	[[ $(id -u) != 0 ]] && die "you must be r00t."
252
253	while [ $# -gt 0 ]; do
254	case $1 in
255	--version)
256	echo "mkinitrd: version ${VERSION}"
257	exit 0
258	;;
259
260	-v) verbose=-v ;;
261	-f) force=1 ;;
262	--nocompress) compress="" ;;
263	--image-version) img_vers=yes ;;
264	--allow-missing) allowmissing=yes ;;
265	--noresume) noresume=1 ;;
266	--help) usage -n ;;
267	--initramfs) IMAGE_TYPE=initramfs ;;
268	--loopback) IMAGE_TYPE=loopback ;;
269	--no-strip) NOSTRIP=true ;;
270	*)
271	if [ -z "${target}" ]
272	then
273	target=$1
274	elif [ -z "${kernel}" ]
275	then
276	kernel=$1
277	else
278	usage
279	fi
280	;;
281	esac
282
283	shift
284	done
285
286
287	# create basic filesystem layout
288	install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} \|\| die
289
290	# install busybox
291	echo "$(which busybox.mkinitrd)"
292	install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox \|\| die
293	for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \
294	grep gunzip gzip init ln ls loadkmap losetup mkdir mknod modprobe more mount mv \
295	pivot_root ps pwd rm rmdir sh sleep test touch true umount uname \
296	xargs yes chmod chown
297	do
298	# static links
299	ln ${DEST}/bin/busybox ${DEST}/bin/${i} \|\| die "${i}"
300	done
301
302	# install run-init
303	echo "$(which run-init.mkinitrd)"
304	install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init \|\| die
305
306	# install insmod.static
307	echo "$(which insmod.static)"
308	install -m0755 $(which insmod.static) ${DEST}/bin/insmod \|\| die
309
310	# install udev
311	cp -a /etc/udev ${DEST}/etc \|\| die
312	install -m0755 /sbin/udev.static ${DEST}/bin/udev \|\| die
313	install -m0755 /sbin/udevd.static ${DEST}/bin/udevd \|\| die
314	install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart \|\| die
315
316	# create some needed device nodes
317	mkdir ${DEST}/dev/mapper \|\| die
318	mknod ${DEST}/dev/console c 5 1 \|\| die
319	mknod ${DEST}/dev/null c 1 3 \|\| die
320	mknod ${DEST}/dev/ram b 1 1 \|\| die
321	mknod ${DEST}/dev/rtc c 10 135 \|\| die
322	mknod ${DEST}/dev/systty c 4 0 \|\| die
323	mknod ${DEST}/dev/tty c 5 0 \|\| die
324	mknod ${DEST}/dev/zero c 1 5 \|\| die
325	for ((i=0; i < 13; i++))
326	do
327	mknod ${DEST}/dev/tty${i} c 4 ${i} \|\| die "tty${i}"
328	done
329	for ((i=64; i < 68; i++))
330	do
331	mknod ${DEST}/dev/ttyS$((${i} - 64)) c 4 ${i} \|\| die "ttyS$((${i} - 64))"
332	done
333
334	## install kernel modules ##
335	# generic needed
336	install_kernel_modules "${MODULES_GENERIC}"
337
338	# usb
339	install_kernel_modules "${MODULES_USB}"
340
341	# scsi
342	install_kernel_modules "${MODULES_SCSI}"
343
344	# sata
345	install_kernel_modules "${MODULES_SATA}"
346
347	# show all modules
348	for i in ${ALL_MODULES}
349	do
350	echo ${i}
351	done
352
353	# install linuxrc
354	install -m0755 ${LINUXRC} ${DEST}/init \|\| die
355
356	# create the image
357	echo "Creating initrd image '${target}' ..."
358	if [[ ${IMAGE_TYPE} = initramfs ]]
359	then
360	(cd "${DEST}" ; find . \| cpio --quiet -o -H newc \| gzip -9 >${IMAGE})
361	cat ${IMAGE} > ${target} \|\| die
362	fi
363
364	if [[ ${IMAGE_TYPE} = loopback ]]
365	then
366	MOUNTTMP="$(mktemp -d)"
367
368	# create ext2 img
369	dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null \|\| die
370	mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null \|\| die
371	mount -o loop ${IMAGE} ${MOUNTTMP} \|\| die
372	mv ${DEST}/* ${MOUNTTMP} \|\| die
373	umount ${MOUNTTMP} \|\| die
374	gzip -9 ${IMAGE} \|\| die
375	cat ${IMAGE}.gz > ${target} \|\| die
376	[ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP}
377
378	# create inird dir for pivot_root
379	[ ! -d /initrd ] && { install -d /initrd \|\| die; }
380	fi
381
382	# clean up
383	[ -d ${DEST} ] && rm -rf ${DEST}
384	[ -f ${IMAGE} ] && rm -f ${IMAGE}
385
386	# all went ok at this point
387	exit 0