265 lines
7.1 KiB
Text
265 lines
7.1 KiB
Text
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#!/bin/bash
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# This file based in part on the mkinitrafms script for the LFS LiveCD
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# written by Alexander E. Patrakov and Jeremy Huntwork.
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# adapted by sham
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copy()
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{
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local file
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if [ "$2" == "lib" ]; then
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file=$(PATH=/lib:/usr/lib type -p $1)
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else
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file=$(type -p $1)
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fi
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if [ -n $file ] ; then
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cp $file $WDIR/$2
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else
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echo "Missing required file: $1 for directory $2"
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rm -rf $WDIR
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exit 1
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fi
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}
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if [ -z $1 ] ; then
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INITRAMFS_FILE=initrd
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else
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KERNEL_VERSION=$1
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INITRAMFS_FILE=initrd-$KERNEL_VERSION
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sbinfiles="udevd udevadm ip"
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fi
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if [ -n "$KERNEL_VERSION" ] && [ ! -d "/lib/modules/$1" ] ; then
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echo "No modules directory named $1"
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exit 1
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fi
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printf "Creating $INITRAMFS_FILE... "
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binfiles="sh cat clear cut date grep cp dd hostname killall ls mkdir mknod more mount mountpoint chmod"
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binfiles="$binfiles umount stty sed sleep ln rm uname"
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sbinfiles="$sbinfiles blkid switch_root"
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#Optional files and locations
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if [ -x /sbin/mdadm ] ; then sbinfiles="$sbinfiles mdadm"; fi
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unsorted=$(mktemp /tmp/unsorted.XXXXXXXXXX)
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DATADIR=/lib/services
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INITIN=init.in
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# Create a temporrary working directory
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WDIR=$(mktemp -d /tmp/initrd-work.XXXXXXXXXX)
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# Create base directory structure
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# mkdir -p $WDIR/{bin,dev,lib/firmware,run,sbin,sys,proc}
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mkdir -p $WDIR/{bin,dev,lib/{lsb,firmware},run,sbin,sys,proc,tmp,etc,usr/share}
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mkdir -p $WDIR/etc/{sysconfig,modprobe.d,udev/{rules.d,hwdb.d}}
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touch $WDIR/etc/modprobe.d/modprobe.conf
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ln -s lib $WDIR/lib64
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# Create necessary device nodes
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# mknod -m 640 $WDIR/dev/console c 5 1
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# mknod -m 664 $WDIR/dev/null c 1 3
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# Install the init-functions
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if [ -f /lib/lsb/init-functions ]; then
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cp /lib/lsb/init-functions $WDIR/lib/lsb/init-functions
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fi
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if [ -n "$KERNEL_VERSION" ] ; then
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cp /etc/group $WDIR/etc
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fi
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cat > $WDIR/etc/fstab << "EOF"
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proc /proc proc nosuid,noexec,nodev 0 0
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sysfs /sys sysfs nosuid,noexec,nodev 0 0
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devpts /dev/pts devpts gid=5,mode=620 0 0
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tmpfs /run tmpfs defaults 0 0
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devtmpfs /dev devtmpfs mode=0755,nosuid 0 0
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EOF
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# echo and false are a bit wird
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cp /bin/echo $WDIR/bin/echo
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cp /bin/false $WDIR/bin/false
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# terminal stuff
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mkdir -p $WDIR/lib/ncurses/terminfo/l
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cp /lib/ncurses/terminfo/l/linux \
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$WDIR/lib/ncurses/terminfo/l
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ln -s ../../lib/ncurses/terminfo $WDIR/usr/share/terminfo
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# Install the udev configuration files
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if [ -f /etc/udev/udev.conf ]; then
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cp /etc/udev/udev.conf $WDIR/etc/udev/udev.conf
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fi
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for file in $(find /etc/udev/rules.d/ -type f) ; do
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cp $file $WDIR/etc/udev/rules.d
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done
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for file in $(find /etc/udev/hwdb.d/ -type f) ; do
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cp $file $WDIR/etc/udev/hwdb.d
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done
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cat > $WDIR/etc/udev/rules.d/55-lfs.rules << "EOF"
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# /etc/udev/rules.d/55-lfs.rules: Rule definitions for LFS.
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# Core kernel devices
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# This causes the system clock to be set as soon as /dev/rtc becomes available.
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SUBSYSTEM=="rtc", ACTION=="add", MODE="0644", RUN="do_start_clock"
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KERNEL=="rtc", ACTION=="add", MODE="0644", RUN="do_start_clock"
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# Comms devices
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KERNEL=="ippp[0-9]*", GROUP="dialout"
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KERNEL=="isdn[0-9]*", GROUP="dialout"
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KERNEL=="isdnctrl[0-9]*", GROUP="dialout"
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KERNEL=="dcbri[0-9]*", GROUP="dialout"
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EOF
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# Hostname
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if [ -f /etc/hostname ] ; then
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cp /etc/hostname $WDIR/etc/hostname
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else
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echo "milis" > $WDIR/etc/hostname
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fi
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# Clock setting
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if [ -f /etc/sysconfig/clock ] ; then
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cp /etc/sysconfig/clock $WDIR/etc/sysconfig
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fi
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# Install any firmware present
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# cp -a /lib/firmware $WDIR/lib
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# Copy the RAID configureation file if present
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# if [ -f /etc/mdadm.conf ] ; then
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# cp /etc/mdadm.conf $WDIR/etc
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# fi
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# Install the init file
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install -m0755 $DATADIR/$INITIN $WDIR/init
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binfiles="$binfiles groups"
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if [ -x /bin/kmod ] ; then
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binfiles="$binfiles kmod"
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else
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binfiles="$binfiles lsmod"
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sbinfiles="$sbinfiles insmod"
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fi
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# Install basic binaries
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for f in $binfiles ; do
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ldd /bin/$f | sed "s/\t//" | cut -d " " -f1 >> $unsorted
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copy $f bin
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done
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# Add lvm if present
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if [ -x /sbin/lvm ] ; then sbinfiles="$sbinfiles lvm dmsetup"; fi
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for f in $sbinfiles ; do
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ldd /sbin/$f | sed "s/\t//" | cut -d " " -f1 >> $unsorted
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copy $f sbin
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done
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# Add udevd libraries if not in /sbin
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if [ -x /lib/udev/udevd ] ; then
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ldd /lib/udev/udevd | sed "s/\t//" | cut -d " " -f1 >> $unsorted
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fi
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if [ -x /bin/kmod ] ; then
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ln -s kmod $WDIR/bin/lsmod
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ln -s ../bin/kmod $WDIR/sbin/insmod
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ln -s ../bin/kmod $WDIR/sbin/modprobe
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ln -s ../bin/kmod $WDIR/sbin/depmod
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fi
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# Add lvm symlinks if appropriate
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# Also copy the lvm.conf file
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if [ -x /sbin/lvm ] ; then
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ln -s lvm $WDIR/sbin/lvchange
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ln -s lvm $WDIR/sbin/lvrename
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ln -s lvm $WDIR/sbin/lvextend
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ln -s lvm $WDIR/sbin/lvcreate
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ln -s lvm $WDIR/sbin/lvdisplay
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ln -s lvm $WDIR/sbin/lvscan
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ln -s lvm $WDIR/sbin/pvchange
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ln -s lvm $WDIR/sbin/pvck
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ln -s lvm $WDIR/sbin/pvcreate
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ln -s lvm $WDIR/sbin/pvdisplay
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ln -s lvm $WDIR/sbin/pvscan
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ln -s lvm $WDIR/sbin/vgchange
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ln -s lvm $WDIR/sbin/vgcreate
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ln -s lvm $WDIR/sbin/vgscan
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ln -s lvm $WDIR/sbin/vgrename
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ln -s lvm $WDIR/sbin/vgck
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# Conf file(s)
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cp -a /etc/lvm $WDIR/etc
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fi
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# Install libraries
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sort $unsorted | uniq | while read library ; do
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if [ "$library" == "linux-vdso.so.1" ] ||
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[ "$library" == "linux-gate.so.1" ]; then
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continue
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fi
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copy $library lib
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done
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cp -a /lib/udev $WDIR/lib
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# The Hardware clock setting maybe could be faster done
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cat > $WDIR/lib/udev/do_start_clock << "EOF"
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#!/bin/sh -e
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. /lib/lsb/init-functions
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do_start_clock
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EOF
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chmod 755 $WDIR/lib/udev/do_start_clock
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# Install the kernel modules if requested
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if [ -n "$KERNEL_VERSION" ]; then
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find \
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/lib/modules/$KERNEL_VERSION/kernel/{arch,crypto,fs,kernel,lib,mm,security} \
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/lib/modules/$KERNEL_VERSION/kernel/drivers/{ata,base,block,cdrom,hid,md,firewire} \
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/lib/modules/$KERNEL_VERSION/kernel/drivers/{scsi,message,pcmcia,virtio,net} \
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/lib/modules/$KERNEL_VERSION/kernel/drivers/usb/{core,common,host,storage} \
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-type f 2> /dev/null | cpio --make-directories -p --quiet $WDIR
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cp /lib/modules/$KERNEL_VERSION/modules.{builtin,order} \
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$WDIR/lib/modules/$KERNEL_VERSION
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depmod -b $WDIR $KERNEL_VERSION
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cp -a /lib/firmware/rtlwifi \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/ath6k \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/RTL8192E \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/bnx2x-* \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/brcm \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/iwlwifi-* \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/radeon \
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$WDIR/lib/firmware > /dev/null 2>&1
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cp -a /lib/firmware/ar3k \
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$WDIR/lib/firmware > /dev/null 2>&1
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fi
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rm -f /boot/$INITRAMFS_FILE
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# cp -a /boot $WDIR
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# rm -v $WDIR/boot/kernel*
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( cd $WDIR ; find . | cpio -o -H newc --quiet | gzip -9 ) > $INITRAMFS_FILE
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# Remove the temporary direc
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rm -rf $WDIR $unsorted
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mv $INITRAMFS_FILE /boot/$INITRAMFS_FILE
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# in case of iso
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# mv $INITRAMFS_FILE /ISO/isolinux/$INITRAMFS_FILE
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printf "done.\n"
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