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#!/bin/bash |
#!/bin/bash |
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# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.4 2005-12-03 19:52:07 niro Exp $ |
# $Header: /home/cvsd/magellan-cvs/magellan-src/mkinitrd/mkinitrd.sh,v 1.12 2007-05-19 14:31:09 niro Exp $ |
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4 |
# mkinitrd |
# mkinitrd |
5 |
# |
# |
38 |
PROBE="yes" |
PROBE="yes" |
39 |
MODULES="" |
MODULES="" |
40 |
PREMODS="" |
PREMODS="" |
41 |
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NOSTRIP=false |
42 |
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43 |
[ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd |
[ -e /etc/conf.d/mkinitrd ] && . /etc/conf.d/mkinitrd |
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modulefile=/etc/modules.conf |
modulefile=/etc/modules.conf |
57 |
rc=0 |
rc=0 |
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59 |
IMAGESIZE=8000 |
IMAGESIZE=4000 |
60 |
PRESCSIMODS="sd_mod" |
PRESCSIMODS="sd_mod" |
61 |
fstab="/etc/fstab" |
fstab="/etc/fstab" |
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74 |
echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" |
echo " [--force-ide-probe] [--force-scsi-probe | --omit-scsi-modules]" |
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echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
echo " [--image-version] [--force-scsi-probe | --omit-raid-modules]" |
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echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
echo " [--with=<module>] [--force-lvm-probe | --omit-lvm-modules]" |
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echo " [--builtin=<module>] " |
echo " [--builtin=<module>] [--initramfs | --loopback] [--no-strip]" |
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echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
echo " [--fstab=<fstab>] [--nocompress] <initrd-image> <kernel-version>" |
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echo |
echo |
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echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
echo " (ex: $(basename $0) /boot/initrd-2.2.5-15.img 2.2.5-15)" |
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--allow-missing) allowmissing=yes ;; |
--allow-missing) allowmissing=yes ;; |
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--noresume) noresume=1 ;; |
--noresume) noresume=1 ;; |
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--help) usage -n ;; |
--help) usage -n ;; |
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--initramfs) IMAGE_TYPE=initramfs ;; |
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--loopback) IMAGE_TYPE=loopback ;; |
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--no-strip) NOSTRIP=true ;; |
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*) |
*) |
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if [ -z "${target}" ] |
if [ -z "${target}" ] |
400 |
then |
then |
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shift |
shift |
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done |
done |
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# enforce initramfs method as default |
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[[ -z ${IMAGE_TYPE} ]] && IMAGE_TYPE=initramfs |
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if [ -z "${target}" -o -z "${kernel}" ] |
if [ -z "${target}" -o -z "${kernel}" ] |
418 |
then |
then |
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usage |
usage |
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############################## |
############################## |
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####### get modules ########## |
####### get modules ########## |
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echo "Creating initramfs" |
echo "Creating ${IMAGE_TYPE} initrd image" |
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modulefile=/etc/modprobe.conf |
modulefile=/etc/modprobe.conf |
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for n in ${PREMODS} |
for n in ${PREMODS} |
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# create basic filesystem layout |
# create basic filesystem layout |
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install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sys,sysroot} || die |
install -d ${DEST}/{bin,dev,etc,lib,loopfs,proc,sbin,sys,sysroot} || die |
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# install busybox |
# install busybox |
655 |
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echo "$(which busybox.mkinitrd)" |
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install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
install -m0755 $(which busybox.mkinitrd) ${DEST}/bin/busybox || die |
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for i in '[' ash basename cat cut chroot clear cp dirname echo env false find \ |
for i in '[' ash basename cat cut clear cp dirname echo env false find \ |
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grep gunzip gzip ln ls loadkmap losetup mkdir mknod modprobe more mount mv \ |
grep gunzip gzip ln ls loadkmap mkdir mknod more mount mv \ |
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ps pwd rm rmdir sh sleep test touch true umount uname \ |
ps pwd rm rmdir sh sleep test touch true umount uname \ |
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xargs yes chmod chown |
xargs yes chmod chown |
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do |
do |
662 |
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# use soft links from now on; |
663 |
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# hardlinks in initramfs apears to be broken on newer kernels |
664 |
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# -> "request module: runaway loop modprobe binfmt-0000" |
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# see: http://www.gossamer-threads.com/lists/linux/kernel/728042 |
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ln -s /bin/busybox ${DEST}/bin/${i} || die "${i}" |
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done |
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669 |
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# sbin related |
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for i in chroot init losetup modprobe pivot_root |
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do |
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# static links |
# static links |
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ln ${DEST}/bin/busybox ${DEST}/bin/${i} || die "${i}" |
ln ${DEST}/bin/busybox ${DEST}/sbin/${i} || die "${i}" |
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done |
done |
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# install run-init |
# install run-init |
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install -m0755 $(which run-init.mkinitrd) ${DEST}/bin/run-init || die |
echo "$(which run-init.mkinitrd)" |
678 |
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install -m0755 $(which run-init.mkinitrd) ${DEST}/sbin/run-init || die |
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# install insmod.static |
# install insmod.static |
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install -m0755 $(which insmod.static) ${DEST}/bin/insmod || die |
echo "$(which insmod.static)" |
682 |
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install -m0755 $(which insmod.static) ${DEST}/sbin/insmod || die |
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# install udev |
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cp -a /etc/udev ${DEST}/etc || die |
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install -m0755 /sbin/udev.static ${DEST}/bin/udev || die |
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install -m0755 /sbin/udevd.static ${DEST}/bin/udevd || die |
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install -m0755 /sbin/udevstart.static ${DEST}/bin/udevstart || die |
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# install lvm |
# install lvm |
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if [ -n "${vg_list}" ] |
if [ -n "${vg_list}" ] |
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then |
then |
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inst /sbin/lvm.static "${DEST}/bin/lvm" |
inst /sbin/lvm.static "${DEST}/sbin/lvm" |
688 |
if [ -f /etc/lvm/lvm.conf ] |
if [ -f /etc/lvm/lvm.conf ] |
689 |
then |
then |
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cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
cp ${verbose} --parents /etc/lvm/lvm.conf ${DEST}/ |
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fi |
fi |
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# create some needed device nodes |
# create some needed device nodes |
695 |
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mkdir ${DEST}/dev/pts || die |
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mkdir ${DEST}/dev/shm || die |
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mkdir ${DEST}/dev/mapper || die |
mkdir ${DEST}/dev/mapper || die |
698 |
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mkdir ${DEST}/dev/misc || die |
699 |
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mkdir ${DEST}/dev/fb || die |
700 |
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mkdir ${DEST}/dev/vc || die |
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mknod ${DEST}/dev/console c 5 1 || die |
mknod ${DEST}/dev/console c 5 1 || die |
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mknod ${DEST}/dev/null c 1 3 || die |
mknod ${DEST}/dev/null c 1 3 || die |
703 |
mknod ${DEST}/dev/ram b 1 1 || die |
mknod ${DEST}/dev/ram b 1 1 || die |
721 |
add_initrd 'mount -t proc proc /proc' |
add_initrd 'mount -t proc proc /proc' |
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add_initrd 'mount -t sysfs sysfs /sys' |
add_initrd 'mount -t sysfs sysfs /sys' |
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724 |
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[[ ${IMAGE_TYPE} = loopback ]] && add_initrd 'mount -t ramfs -o remount,rw /dev/ram /' |
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# silencio |
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add_initrd 'echo 0 > /proc/sys/kernel/printk' |
728 |
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add_initrd 'echo "-- Creating inital device nodes ..."' |
add_initrd 'echo "-- Creating inital device nodes ..."' |
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add_initrd 'mount -o mode=0755 -t tmpfs udev /dev' |
add_initrd 'mount -o mode=0755 -t tmpfs udev /dev' |
731 |
add_initrd 'mkdir /dev/pts' |
add_initrd 'mkdir /dev/pts' |
732 |
add_initrd 'mkdir /dev/shm' |
add_initrd 'mkdir /dev/shm' |
733 |
add_initrd 'mkdir /dev/mapper' |
add_initrd 'mkdir /dev/mapper' |
734 |
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add_initrd 'mkdir /dev/misc' |
735 |
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add_initrd 'mkdir /dev/fb' |
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add_initrd 'mkdir /dev/vc' |
737 |
add_initrd 'mknod /dev/console c 5 1' |
add_initrd 'mknod /dev/console c 5 1' |
738 |
add_initrd 'mknod /dev/null c 1 3' |
add_initrd 'mknod /dev/null c 1 3' |
739 |
add_initrd 'mknod /dev/ram b 1 1' |
add_initrd 'mknod /dev/ram b 1 1' |
748 |
add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}" |
add_initrd "mknod /dev/ttyS$((${i} - 64)) c 4 ${i}" |
749 |
done |
done |
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add_initrd 'echo "-- Starting udevd ..."' |
# some needed symlinks |
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add_initrd 'ln -snf bin /sbin' |
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add_initrd '/sbin/udevstart' |
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add_initrd 'ln -snf /proc/self/fd /dev/fd' |
add_initrd 'ln -snf /proc/self/fd /dev/fd' |
753 |
add_initrd 'ln -snf fd/0 /dev/stdin' |
add_initrd 'ln -snf fd/0 /dev/stdin' |
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add_initrd 'ln -snf fd/1 /dev/stdout' |
add_initrd 'ln -snf fd/1 /dev/stdout' |
755 |
add_initrd 'ln -snf fd/2 /dev/stderr' |
add_initrd 'ln -snf fd/2 /dev/stderr' |
756 |
add_initrd 'ln -snf /proc/kcore /dev/core' |
add_initrd 'ln -snf /proc/kcore /dev/core' |
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add_initrd 'touch /dev/.udev' |
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add_initrd 'echo "-- Setting up hotplug ..."' |
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add_initrd 'echo "/sbin/hotplug" > /proc/sys/kernel/hotplug' |
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# add_initrd 'for i in $(find /lib -type f -name *.ko)' |
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# add_initrd 'do' |
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# add_initrd ' echo "-- Loading module ${i}"' |
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# add_initrd ' insmod ${i};' |
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# # handle special cases like usb |
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# add_initrd ' if [ "${i}" = "usb-storage" ]' |
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# add_initrd ' then' |
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# add_initrd ' echo "Waiting 8 seconds for usb-driver initialization."' |
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# add_initrd ' sleep 8' |
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# add_initrd ' fi' |
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# add_initrd 'done' |
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757 |
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# loading detected modules with options |
# loading detected modules with options |
759 |
for MODULE in ${MODULES} |
for MODULE in ${MODULES} |
819 |
# software suspend |
# software suspend |
820 |
if [ -z "${noresume}" ] |
if [ -z "${noresume}" ] |
821 |
then |
then |
822 |
add_initrd "resume ${swsuspdev}" |
add_initrd "[ -x /bin/resume ] && resume ${swsuspdev}" |
823 |
fi |
fi |
824 |
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825 |
# raid |
# raid |
834 |
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835 |
add_initrd 'echo "-- Mounting sysroot ..."' |
add_initrd 'echo "-- Mounting sysroot ..."' |
836 |
add_initrd '. /etc/rootdev' |
add_initrd '. /etc/rootdev' |
837 |
add_initrd 'mknod ${device} b ${major} ${minor}' |
add_initrd '[ ! -e ${device} ] && mknod ${device} b ${major} ${minor}' |
838 |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
add_initrd 'echo "${device} /sysroot ${rootfs} defaults,ro 0 0" > /etc/fstab' |
839 |
add_initrd 'mount /sysroot' |
add_initrd 'mount /sysroot' |
840 |
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841 |
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# de-silencio |
842 |
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add_initrd 'echo 3 > /proc/sys/kernel/printk' |
843 |
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844 |
add_initrd 'echo "-- Switching to real sysroot ..."' |
add_initrd 'echo "-- Switching to real sysroot ..."' |
845 |
add_initrd 'umount /sys' |
add_initrd 'umount /sys' |
846 |
add_initrd 'umount /proc' |
add_initrd 'umount /proc' |
847 |
add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
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848 |
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[[ ${IMAGE_TYPE} = initramfs ]] && add_initrd 'exec run-init /sysroot /sbin/init $@ </sysroot/dev/console >/sysroot/dev/console' |
849 |
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if [[ ${IMAGE_TYPE} = loopback ]] |
850 |
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then |
851 |
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add_initrd 'cd /sysroot' |
852 |
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add_initrd 'pivot_root . initrd' |
853 |
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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" |
854 |
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fi |
855 |
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|
856 |
chmod +x ${DEST}/init || die |
chmod +x ${DEST}/init || die |
857 |
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|
866 |
echo "Coping your modules to '${DEST}/lib' ..." |
echo "Coping your modules to '${DEST}/lib' ..." |
867 |
for MODULE in ${MODULES} |
for MODULE in ${MODULES} |
868 |
do |
do |
869 |
if [ -x /usr/bin/strip ] |
if [ -x /usr/bin/strip ] && [[ ${NOSTRIP} = false ]] |
870 |
then |
then |
871 |
/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
/usr/bin/strip -g ${verbose} ${MODULE} -o ${DEST}/lib/$(basename ${MODULE}) || die |
872 |
else |
else |
876 |
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877 |
# create the image |
# create the image |
878 |
echo "Creating initrd image '${target}' ..." |
echo "Creating initrd image '${target}' ..." |
879 |
(cd "${DEST}" ; find . | cpio --quiet --dereference -o -H newc | gzip -9 >${IMAGE}) |
if [[ ${IMAGE_TYPE} = initramfs ]] |
880 |
cat ${IMAGE} > ${target} || die |
then |
881 |
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(cd "${DEST}" ; find . | cpio --quiet -o -H newc | gzip -9 >${IMAGE}) |
882 |
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cat ${IMAGE} > ${target} || die |
883 |
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fi |
884 |
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|
885 |
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if [[ ${IMAGE_TYPE} = loopback ]] |
886 |
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then |
887 |
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MOUNTTMP="$(mktemp -d)" |
888 |
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|
889 |
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# create ext2 img |
890 |
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dd if=/dev/zero of=${IMAGE} bs=1024 count=${IMAGESIZE} &> /dev/null || die |
891 |
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mke2fs -m 0 -i 1024 -F ${IMAGE} &> /dev/null || die |
892 |
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mount -o loop ${IMAGE} ${MOUNTTMP} || die |
893 |
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mv ${DEST}/* ${MOUNTTMP} || die |
894 |
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umount ${MOUNTTMP} || die |
895 |
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gzip -9 ${IMAGE} || die |
896 |
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cat ${IMAGE}.gz > ${target} || die |
897 |
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[ -d ${MOUNTTMP} ] && rm -rf ${MOUNTTMP} |
898 |
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|
899 |
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# create inird dir for pivot_root |
900 |
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[ ! -d /initrd ] && { install -d /initrd || die; } |
901 |
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fi |
902 |
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|
903 |
# clean up |
# clean up |
904 |
[ -d ${DEST} ] && rm -rf ${DEST} |
[ -d ${DEST} ] && rm -rf ${DEST} |
905 |
[ -f ${IMAGE} ] && rm -f ${IMAGE} |
[ -f ${IMAGE} ] && rm -f ${IMAGE} |
906 |
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|
907 |
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# all went ok at this point |
908 |
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exit 0 |