1 |
#!/bin/bash |
#!/bin/bash |
2 |
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd-magellan/mkinitrd.in,v 1.2 2008-03-31 13:50:09 niro Exp $ |
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd-magellan/mkinitrd.in,v 1.4 2008-06-11 22:11:40 niro Exp $ |
3 |
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4 |
# mkinitrd |
# mkinitrd |
5 |
# |
# |
44 |
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45 |
CONFMODS="${MODULES}" |
CONFMODS="${MODULES}" |
46 |
MODULES="" |
MODULES="" |
47 |
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INITEXEC="/sbin/init" |
48 |
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|
49 |
compress=1 |
compress=1 |
50 |
allowmissing="" |
allowmissing="" |
54 |
verbose="" |
verbose="" |
55 |
img_vers="" |
img_vers="" |
56 |
builtins="" |
builtins="" |
57 |
modulefile=/etc/modules.conf |
modulefile="/etc/modules.conf" |
58 |
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modprobeconf="/etc/modprobe.d/*" |
59 |
rc=0 |
rc=0 |
60 |
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61 |
IMAGESIZE=4000 |
IMAGESIZE=4000 |
77 |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
78 |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
79 |
echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
80 |
echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
echo " [--fstab=<fstab>] [--nocompress] [--initexec=<init>]" |
81 |
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echo " <initrd-image> <kernel-version>" |
82 |
echo |
echo |
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echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
84 |
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94 |
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95 |
echo "Looking for deps of module $1" |
echo "Looking for deps of module $1" |
96 |
deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ |
deps=$(awk 'BEGIN { searched=ARGV[2]; ARGV[2]=""; rc=1 } \ |
97 |
function modname(filename) { match(filename, /\/([^\/]+)\.k?o:?$/, ret); return ret[1] } \ |
function modname(filename) { match(filename, /\/([^\/]+)\.k?o.?g?z?:?$/, ret); return ret[1] } \ |
98 |
function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ |
function show() { if (orig == searched) { print dep; orig=""; rc=0; exit } } \ |
99 |
/^\/lib/ { show(); \ |
/^.*kernel/ { show(); \ |
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orig=modname($1); dep=""; \ |
orig=modname($1); dep=""; \ |
101 |
if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ |
if ($2) { for (i = 2; i <= NF; i++) { dep=sprintf("%s %s", dep, modname($i)); } } } \ |
102 |
/^ / { dep=sprintf("%s %s", dep, modname($1)); } \ |
/^ / { dep=sprintf("%s %s", dep, modname($1)); } \ |
132 |
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133 |
case "${MODULES} " in |
case "${MODULES} " in |
134 |
*"/${modName}.ko "*) return ;; |
*"/${modName}.ko "*) return ;; |
135 |
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*"/${modName}.ko.gz "*) return ;; |
136 |
esac |
esac |
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if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' |
if echo ${builtins} | egrep -q '(^| )'${modName}'( |$)' |
165 |
done |
done |
166 |
fi |
fi |
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168 |
for modExt in o.gz o ko |
for modExt in o.gz o ko ko.gz |
169 |
do |
do |
170 |
for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} |
for modDir in /lib/modules/${kernel}/updates /lib/modules/${kernel} |
171 |
do |
do |
253 |
modalias=$(cat modalias) |
modalias=$(cat modalias) |
254 |
for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') |
for driver in $(modprobe --set-version ${kernel} --show-depends ${modalias} 2>/dev/null| awk '{ print gensub(".*/","","g",$2) }') |
255 |
do |
do |
256 |
findmodule ${driver%%.ko} |
findmodule ${driver%%.*} |
257 |
done |
done |
258 |
popd >/dev/null 2>&1 |
popd >/dev/null 2>&1 |
259 |
done |
done |
323 |
fi |
fi |
324 |
} |
} |
325 |
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326 |
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get_blkid() |
327 |
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{ |
328 |
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local UUID |
329 |
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local SEC_TYPE |
330 |
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local TYPE |
331 |
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332 |
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local dev="$1" |
333 |
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[[ -z ${dev} ]] && die "no dev given" |
334 |
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335 |
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# check if given device is already an UUID |
336 |
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if [[ ${dev/UUID=/}x != ${dev}x ]] |
337 |
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then |
338 |
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eval "${dev}" |
339 |
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else |
340 |
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eval $(busybox.mkinitrd blkid ${dev} | grep "${dev}:" | sed 's/.*:\ //') |
341 |
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fi |
342 |
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echo ${UUID} |
343 |
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} |
344 |
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|
345 |
# need r00t privs |
# need r00t privs |
346 |
[[ $(id -u) != 0 ]] && die "you must be r00t." |
[[ $(id -u) != 0 ]] && die "you must be r00t." |
347 |
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418 |
--initramfs) IMAGE_TYPE=initramfs ;; |
--initramfs) IMAGE_TYPE=initramfs ;; |
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--loopback) IMAGE_TYPE=loopback ;; |
--loopback) IMAGE_TYPE=loopback ;; |
420 |
--no-strip) NOSTRIP=true ;; |
--no-strip) NOSTRIP=true ;; |
421 |
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--initexec*) |
422 |
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if echo $1 | grep -q '=' ; then |
423 |
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INITEXEC=$(echo $1 | sed 's/^--initexec=//') |
424 |
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else |
425 |
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INITEXEC=$2 |
426 |
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shift |
427 |
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fi |
428 |
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;; |
429 |
*) |
*) |
430 |
if [ -z "${target}" ] |
if [ -z "${target}" ] |
431 |
then |
then |
484 |
####### get modules ########## |
####### get modules ########## |
485 |
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486 |
echo "Creating ${IMAGE_TYPE} initrd image" |
echo "Creating ${IMAGE_TYPE} initrd image" |
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modulefile=/etc/modprobe.conf |
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487 |
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488 |
for n in ${PREMODS} |
for n in ${PREMODS} |
489 |
do |
do |
498 |
for fs in / /boot |
for fs in / /boot |
499 |
do |
do |
500 |
esc=$(echo ${fs} | sed 's,/,\\/,g') |
esc=$(echo ${fs} | sed 's,/,\\/,g') |
501 |
dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//' | cut -d/ -f3) |
dev=$(mount | awk "/ on ${esc} / { print \$1 }" | sed 's/[0-9]*$//') |
502 |
if [ "$(echo ${dev} | cut -c1-2)" = sd ] |
if [ "$(echo ${dev} | cut -c6-7)" = sd ] |
503 |
then |
then |
504 |
if [ $(which kudzu 2>/dev/null) ] |
if [ $(which hwinfo 2>/dev/null) ] |
505 |
then |
then |
506 |
host=$(kudzu --probe -b scsi | |
if [[ -n $(hwinfo --disk --only ${dev} | grep 'Driver Modules' | grep 'usb[_|-]storage') ]] |
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gawk '/^device: '${dev}'/,/^host:/ { if (/^host/) { print $2; exit; } }') |
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if [ -d /proc/scsi/usb-storage-${host} -o -f /proc/scsi/usb-storage/${host} ] |
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507 |
then |
then |
508 |
needusb=1 |
needusb=1 |
509 |
fi |
fi |
677 |
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678 |
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679 |
# create basic filesystem layout |
# create basic filesystem layout |
680 |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} || die |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot,usr/bin,usr/sbin} || die |
681 |
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682 |
# install busybox |
# install busybox |
683 |
echo "$(which busybox.mkinitrd)" |
echo "$(which busybox.mkinitrd)" |
697 |
# sbin related |
# sbin related |
698 |
for i in chroot init losetup modprobe pivot_root |
for i in chroot init losetup modprobe pivot_root |
699 |
do |
do |
700 |
# static links |
ln -s ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
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ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
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701 |
done |
done |
702 |
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703 |
# install run-init |
# install run-init |
705 |
install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
706 |
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|
707 |
# install insmod.static |
# install insmod.static |
708 |
echo "$(which insmod.static)" |
#echo "$(which insmod.static)" |
709 |
install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
#install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
710 |
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|
711 |
# install v86d for uvesafb support if installed |
# install v86d for uvesafb support if installed |
712 |
if which v86d &> /dev/null |
if which v86d &> /dev/null |
713 |
then |
then |
714 |
echo "$(which insmod.static)" |
echo "$(which v86d)" |
715 |
install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
install -m0755 $(which v86d) ${DEST}/sbin/v86d || die |
716 |
fi |
fi |
717 |
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754 |
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755 |
add_initrd 'mount -t proc proc /proc' |
add_initrd 'mount -t proc proc /proc' |
756 |
add_initrd 'mount -t sysfs sysfs /sys' |
add_initrd 'mount -t sysfs sysfs /sys' |
757 |
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add_initrd 'mount -t tmpfs tmpfs /dev -o rw,mode=0644,size=1024' |
758 |
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759 |
[[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
[[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
760 |
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761 |
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# install all busybox applets |
762 |
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add_initrd 'busybox --install -s' |
763 |
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764 |
# silencio |
# silencio |
765 |
add_initrd 'echo 0 > /proc/sys/kernel/printk' |
add_initrd 'echo 0 > /proc/sys/kernel/printk' |
766 |
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|
767 |
add_initrd 'echo "-- Creating inital device nodes ..."' |
add_initrd 'echo "-- Creating initial device nodes ..."' |
768 |
add_initrd 'mount -o exec,nosuid,mode=0755,size=10M -t tmpfs udev /dev' |
# populate dev |
769 |
add_initrd 'mkdir /dev/pts' |
add_initrd 'mdev -s' |
770 |
add_initrd 'mkdir /dev/shm' |
# handle hotplug events properly |
771 |
add_initrd 'mkdir /dev/mapper' |
add_initrd 'echo /sbin/mdev > /proc/sys/kernel/hotplug' |
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add_initrd 'mkdir /dev/misc' |
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add_initrd 'mkdir /dev/fb' |
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add_initrd 'mkdir /dev/vc' |
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add_initrd 'mknod /dev/console c 5 1' |
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add_initrd 'mknod /dev/null c 1 3' |
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add_initrd 'mknod /dev/ram b 1 1' |
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add_initrd 'mknod /dev/rtc c 10 135' |
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add_initrd 'mknod /dev/systty c 4 0' |
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add_initrd 'mknod /dev/tty c 5 0' |
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add_initrd 'mknod /dev/zero c 1 5' |
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for (( i=0; i < 13; i++ )); do |
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add_initrd "mknod /dev/tty${i} c 4 ${i}" |
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done |
|
|
for (( i=64; i < 68; i++)); do |
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add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}" |
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done |
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# some needed symlinks |
|
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add_initrd 'ln -snf /proc/self/fd /dev/fd' |
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add_initrd 'ln -snf fd/0 /dev/stdin' |
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add_initrd 'ln -snf fd/1 /dev/stdout' |
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add_initrd 'ln -snf fd/2 /dev/stderr' |
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add_initrd 'ln -snf /proc/kcore /dev/core' |
|
772 |
|
|
773 |
# loading detected modules with options |
# loading detected modules with options |
774 |
for MODULE in ${MODULES} |
for MODULE in ${MODULES} |
775 |
do |
do |
776 |
text="" |
text="" |
777 |
module=$(echo ${MODULE} | sed "s|.*/||" | sed "s/.k\?o$//") |
module=$(echo ${MODULE} | sed "s|.*/||" | sed -e "s/.k\?o.\?g\?z\?$//" -e "s/.gz//") |
778 |
fullmodule=$(echo ${MODULE} | sed "s|.*/||") |
fullmodule=$(echo ${MODULE} | sed -e "s|.*/||" -e "s/.gz//") |
779 |
|
|
780 |
options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modulefile} 2>/dev/null) |
options=$(sed -n -e "s/^options[ ][ ]*${module}[ ][ ]*//p" ${modprobeconf} 2>/dev/null) |
781 |
|
|
782 |
if [ -n "${options}" ] |
if [ -n "${options}" ] |
783 |
then |
then |
847 |
done |
done |
848 |
fi |
fi |
849 |
|
|
850 |
|
# get the right initexec |
851 |
|
add_initrd "INITEXEC=\"${INITEXEC}\"" |
852 |
|
# support init=* from cmdline |
853 |
|
add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = init=* ]]; then INITEXEC=${i/init=}; fi; done' |
854 |
|
|
855 |
add_initrd 'echo "-- Mounting sysroot ..."' |
add_initrd 'echo "-- Mounting sysroot ..."' |
856 |
add_initrd '. /etc/rootdev' |
add_initrd '. /etc/rootdev' |
|
add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' |
|
857 |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
858 |
add_initrd 'mount /sysroot' |
add_initrd 'mount /sysroot || ash' |
859 |
|
|
860 |
|
# unset hotplug event-manager |
861 |
|
add_initrd 'echo > /proc/sys/kernel/hotplug' |
862 |
|
|
863 |
# de-silencio |
# de-silencio |
864 |
add_initrd 'echo 3 > /proc/sys/kernel/printk' |
add_initrd 'echo 3 > /proc/sys/kernel/printk' |
865 |
|
|
866 |
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add_initrd 'BREAK_ENABLED=no' |
867 |
|
add_initrd 'for i in $(cat /proc/cmdline); do if [[ ${i} = break ]]; then BREAK_ENABLED=yes; fi; done' |
868 |
|
add_initrd 'if [[ ${BREAK_ENABLED} = yes ]]; then echo "-- Break requested, type 'exit' to resume operation ..."; ash; fi' |
869 |
|
|
870 |
add_initrd 'echo "-- Switching to real sysroot ..."' |
add_initrd 'echo "-- Switching to real sysroot ..."' |
871 |
|
add_initrd 'umount /dev' |
872 |
add_initrd 'umount /sys' |
add_initrd 'umount /sys' |
873 |
add_initrd 'umount /proc' |
add_initrd 'umount /proc' |
|
add_initrd 'umount /dev' |
|
874 |
|
|
875 |
[[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
[[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot ${INITEXEC} $@ </sysroot/dev/console >/sysroot/dev/console' |
876 |
if [[ ${IMAGE_TYPE} = loopback ]] |
if [[ ${IMAGE_TYPE} = loopback ]] |
877 |
then |
then |
878 |
add_initrd 'cd /sysroot' |
add_initrd 'cd /sysroot' |
879 |
add_initrd 'pivot_root . initrd' |
add_initrd 'pivot_root . initrd' |
880 |
add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new /sbin/init'</dev/console >/dev/console 2>&1" |
add_initrd "exec /sbin/chroot . sh -c 'umount -n /initrd >/dev/null 2>&1;exec -a init.new \${INITEXEC}'</dev/console >/dev/console 2>&1" |
881 |
fi |
fi |
882 |
|
|
883 |
chmod +x ${DEST}/init || die |
chmod +x ${DEST}/init || die |
884 |
|
|
885 |
# setup root block device |
# setup root block device |
886 |
[[ -z ${rootdev} ]] && die "no known rootdev found." |
[[ -z ${rootdev} ]] && die "no known rootdev found." |
887 |
echo "device=${rootdev}" > ${DEST}/etc/rootdev || die |
echo "device='UUID=$(get_blkid ${rootdev})'" > ${DEST}/etc/rootdev || die |
888 |
echo "major=$(stat -c %t ${rootdev})" >> ${DEST}/etc/rootdev || die |
echo "rootfs='${rootfs}'" >> ${DEST}/etc/rootdev || die |
|
echo "minor=$(stat -c %T ${rootdev})" >> ${DEST}/etc/rootdev || die |
|
|
echo "rootfs=${rootfs}" >> ${DEST}/etc/rootdev || die |
|
889 |
|
|
890 |
# install detected modules |
# install detected modules |
891 |
echo "Coping your modules to '${DEST}/lib' ..." |
echo "Coping your modules to '${DEST}/lib' ..." |
894 |
if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
895 |
then |
then |
896 |
/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
897 |
|
# handle gzip compressed modules right |
898 |
|
elif [[ ${MODULE##*.} = gz ]] |
899 |
|
then |
900 |
|
zcat ${verbose} ${MODULE} > ${DEST}/lib/$(basename ${MODULE} .gz) || die |
901 |
else |
else |
902 |
cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
cp ${verbose} -a ${MODULE} ${DEST}/lib || die |
903 |
fi |
fi |