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|
#!/bin/sh
#set -e
# initramfs-tools header
PREREQ=""
prereqs()
{
echo "${PREREQ}"
}
case "${1}" in
prereqs)
prereqs
exit 0
;;
esac
# live-initramfs header
if [ -n "${NOUSER}" ]
then
exit 0
fi
. /scripts/live-functions
. /scripts/live-helpers
log_begin_msg "Adding live session user..."
# live-initramfs script
mountpoint=/cdrom
is_updates_path ()
{
# Driver packages are stored in ubuntu-drivers/<kver>/
# subdirectory. Each package contains a module for a specific
# kernel flavour.
path=$1
kbase=$(uname -r | sed 's/^\([0-9]*\.[0-9]*\.[0-9]*\)-.*/\1/')
update_dir="$path/ubuntu-drivers/$kbase"
if [ -d "$update_dir" ]
then
if [ "$(echo $update_dir/*_$DPKG_ARCH.deb)" != \
"$update_dir/*_$DPKG_ARCH.deb" ]
then
echo "$update_dir"
return 0;
fi
fi
return 1;
}
is_nice_device ()
{
sysfs_path="${1#/sys}"
if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-(ide|scsi|usb))"
then
return 0
fi
return 1
}
is_supported_fs ()
{
# FIXME: do something better like the scan of supported filesystems
fstype="${1}"
case ${fstype} in
vfat|iso9660|udf|ext2|ext3|ntfs)
return 0
;;
esac
return 1
}
check_dev_updates ()
{
sysdev="${1}"
devname="${2}"
if [ -z "${devname}" ]
then
devname=$(sys2dev "${sysdev}")
fi
fstype=$(get_fstype "${devname}")
if is_supported_fs ${fstype}
then
mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
if is_updates_path $mountpoint
then
return 0
else
umount $mountpoint
fi
fi
return 1
}
find_driver_updates ()
{
for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram)
do
devname=$(sys2dev "${sysblock}")
fstype=$(get_fstype "${devname}")
if /lib/udev/cdrom_id ${devname} > /dev/null
then
if check_dev_updates "null" "${devname}"
then
return 0
fi
elif is_nice_device "${sysblock}"
then
for dev in $(subdevices "${sysblock}")
do
if check_dev_updates "${dev}"
then
return 0
fi
done
fi
done
return 1
}
pulsate ()
{
if [ -x /sbin/usplash_write ]
then
/sbin/usplash_write "PULSATE"
fi
}
updates="false"
for x in $(cat /proc/cmdline)
do
case $x in
debian-installer/driver-update=*)
updates=${x#debian-installer/driver-update=}
;;
esac
done
if [ "$updates" != "true" ]
then
log_end_msg
exit 0
fi
# Not sure what to do for network installs. I assume there isn't even a CD
# for this anyway, so fail.
if [ -n "${NETBOOT}" ]
then
log_end_msg
exit 0;
fi
#if chroot /root [ -f /etc/gdm/gdm-cdd.conf ]
#then
# GDMCONF=/etc/gdm/gdm-cdd.conf
#else
# GDMCONF=/etc/gdm/gdm.conf
#fi
if [ -x /usr/bin/eject ]
then
eject
fi
log_wait_msg "Insert a driver CD and press ENTER ($DPKG_ARCH)"
log_begin_msg "Looking for driver update CD"
for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13
do
updates_root=$(find_driver_updates)
if [ "${updates_root}" ]
then
break;
fi
sleep 1
done
log_end_msg
if [ -z "${updates_root}" ]
then
log_begin_msg "Could not find driver updates"
log_wait_msg "Re-insert install CD and press ENTER"
exit 0
fi
log_begin_msg "Copying driver updates to temporary location"
mkdir -p /tmp/driver-updates
cp $updates_root/*_$DPKG_ARCH.deb /tmp/driver-updates/
umount $mountpoint
if [ -x /usr/bin/eject ]
then
eject
fi
log_end_msg
log_wait_msg "Re-insert install CD and press ENTER."
|
