export PATH=/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin
-mountpoint=/cdrom
+mountpoint=/live_media
-mkdir -p $mountpoint
+# Will be mounted if found as copy on write instead of tmpfs
+root_persistence="casper-rw"
-overlay_method=unionfs
-if [ "${DPKG_ARCH}" = "ia64" ] || [ "${DPKG_ARCH}" = "hppa" ] || [ "${DPKG_ARCH}" = "sparc" ]; then
- overlay_method=devmapper
-fi
+# TODO
+## Each file found with this pattern will be mounted directly in the
+## mountpoint extracted from file name "${other_mounts_pattern}<mountpoint>"
+#other_mounts_pattern="casper-mount-"
+home_persistence="home-rw"
-USERNAME=ubuntu
-USERFULLNAME="Ubuntu LiveCD user"
-HOST=ubuntu
+#overlay_method=unionfs
+#if [ "${DPKG_ARCH}" = "ia64" ] || [ "${DPKG_ARCH}" = "hppa" ] || [ "${DPKG_ARCH}" = "sparc" ]; then
+# overlay_method=devmapper
+#fi
+
+USERNAME="casper"
+USERFULLNAME="Live session user"
+HOST="live"
+
+mkdir -p $mountpoint
[ -f /etc/casper.conf ] && . /etc/casper.conf
export USERNAME USERFULLNAME HOST
-casper_path() {
- path=$1
- if [ -e "$path/casper/filesystem.cloop" ]; then
- echo "$path/casper/filesystem.cloop"
- return 0
- elif [ -e "$path/casper/filesystem.squashfs" ]; then
- echo "$path/casper/filesystem.squashfs"
- return 0
- fi
- return 1
+# looking for casper specifics options as kernel parameters
+for x in $(cat /proc/cmdline); do
+ case $x in
+ netboot*)
+ NETBOOT=${x#netboot=}
+ export NETBOOT
+ ;;
+ toram)
+ TORAM=1
+ export TORAM
+ ;;
+ show-cow)
+ SHOWCOW=1
+ export SHOWCOW
+ ;;
+ persistent)
+ PERSISTENT=1
+ export PERSISTENT
+ ;;
+ esac
+done
+
+# sort of compatibility with netboot.h from linux docs
+if [ -z "${NETBOOT}" ]; then
+ if [ "${ROOT}" == "/dev/nfs" ]; then
+ NETBOOT="nfs"
+ export NETBOOT
+ elif [ "${ROOT}" == "/dev/cifs" ]; then
+ NETBOOT="cifs"
+ export NETBOOT
+ fi
+fi
+
+is_casper_path() {
+ path=$1
+ if [ -d "$path/casper" ]; then
+ if [ "$(echo $path/casper/*.cloop)" != "$path/casper/*.cloop" ] ||
+ [ "$(echo $path/casper/*.squashfs)" != "$path/casper/*.squashfs" ] ||
+ [ "$(echo $path/casper/*.ext2)" != "$path/casper/*.ext2" ] ||
+ [ "$(echo $path/casper/*.dir)" != "$path/casper/*.dir" ]; then
+ return 0
+ fi
+ fi
+ return 1
}
subdevices() {
- sysblock=$1
- r=""
- for dev in "${sysblock}" "${sysblock}"/*; do
- if [ -e "${dev}/dev" ]; then
- r="${r} ${dev}"
- fi
- done
- echo ${r}
+ sysblock=$1
+ r=""
+ for dev in "${sysblock}" "${sysblock}"/*; do
+ if [ -e "${dev}/dev" ]; then
+ r="${r} ${dev}"
+ fi
+ done
+ echo ${r}
}
get_backing_device() {
case "$1" in
- *.cloop)
- echo $(setup_loop "$1" "cloop" "/sys/block/cloop*")
+ *.cloop)
+ echo $(setup_loop "$1" "cloop" "/sys/block/cloop*")
+ ;;
+ *.squashfs|*.ext2)
+ echo $(setup_loop "$1" "loop" "/sys/block/loop*")
+ ;;
+ *.dir)
+ echo "directory"
+ ;;
+ *)
+ panic "Unrecognized casper filesystem: $1"
;;
- *.squashfs)
- echo $(setup_loop "$1" "loop" "/sys/block/loop*")
- ;;
- *)
- panic "Unrecognized casper filesystem: $1"
- ;;
esac
}
-setup_cow() {
- case "$1" in
- unionfs)
- setup_unionfs "$2" "$rootmnt"
- ;;
- devmapper)
- setup_devmapper "$2" "$rootmnt"
- esac
+match_files_in_dir() {
+ # Does any files match pattern $1 ?
+
+ local pattern="$1"
+ if [ "$(echo $pattern)" != "$pattern" ]; then
+ return 0
+ fi
+ return 1
+}
+
+mount_images_in_directory() {
+ directory="$1"
+ rootmnt="$2"
+ if match_files_in_dir "$directory/casper/*.cloop"; then
+ # Let's hope there's just one matching *.cloop... FIXME
+ setup_devmapper $(get_backing_device "$directory/casper/*.cloop") "$rootmnt"
+ elif match_files_in_dir "$directory/casper/*.squashfs" ||
+ match_files_in_dir "$directory/casper/*.ext2" ||
+ match_files_in_dir "$directory/casper/*.dir"; then
+ setup_unionfs "$directory/casper" "$rootmnt"
+ else
+ :
+ fi
}
sys2dev() {
- sysdev=${1#/sys}
- echo "/dev/$(udevinfo -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})"
+ sysdev=${1#/sys}
+ echo "/dev/$(udevinfo -q name -p ${sysdev} 2>/dev/null|| echo ${sysdev##*/})"
}
setup_loop() {
- local fspath=$1
- local module=$2
- local pattern=$3
-
- modprobe -Qb "$module"
- udevplug -W
-
- for loopdev in $pattern; do
- if [ "$(cat $loopdev/size)" -eq 0 ]; then
- dev=$(sys2dev "${loopdev}")
- losetup "$dev" "$fspath"
- echo "$dev"
- return 0
- fi
- done
- panic "No loop devices available"
+ local fspath=$1
+ local module=$2
+ local pattern=$3
+
+ modprobe -qb "$module"
+ if [ -x /sbin/udevplug ]; then
+ udevplug -W
+ else
+ udevtrigger
+ fi
+
+ for loopdev in $pattern; do
+ if [ "$(cat $loopdev/size)" -eq 0 ]; then
+ dev=$(sys2dev "${loopdev}")
+ losetup "$dev" "$fspath"
+ echo "$dev"
+ return 0
+ fi
+ done
+ panic "No loop devices available"
}
get_fstype() {
- local FSTYPE
- local FSSIZE
- eval $(fstype < $1)
- if [ "$FSTYPE" != "unknown" ]; then
- echo $FSTYPE
- return 0
- fi
- /lib/udev/vol_id -t $1 2>/dev/null
+ #FIXME# one use of this function expects "unknown" another does not!
+ # which is it???
+ local FSTYPE
+ local FSSIZE
+ eval $(fstype < $1)
+ if [ "$FSTYPE" != "unknown" ]; then
+ echo $FSTYPE
+ return 0
+ fi
+ /lib/udev/vol_id -t $1 2>/dev/null
}
setup_devmapper() {
- backdev="$1"
- rootmnt="$2"
+ backdev="$1"
+ rootmnt="$2"
- modprobe -Qb dm-mod
- COW_DEVICE=/dev/ram1
- COW_NAME="casper-cow"
+ modprobe -qb dm-mod
+ COW_DEVICE=/dev/ram1
+ COW_NAME="casper-cow"
- BACKING_FILE_SIZE=$(blockdev --getsize "$backdev")
- MAX_COW_SIZE=$(blockdev --getsize "$COW_DEVICE")
- CHUNK_SIZE=8 # sectors
+ BACKING_FILE_SIZE=$(blockdev --getsize "$backdev")
+ MAX_COW_SIZE=$(blockdev --getsize "$COW_DEVICE")
+ CHUNK_SIZE=8 # sectors
- if [ -z "$COW_SIZE" -o "$COW_SIZE" -gt "$MAX_COW_SIZE" ]; then
- COW_SIZE=$MAX_COW_SIZE
- fi
+ if [ -z "$COW_SIZE" -o "$COW_SIZE" -gt "$MAX_COW_SIZE" ]; then
+ COW_SIZE=$MAX_COW_SIZE
+ fi
- echo "0 $COW_SIZE linear $COW_DEVICE 0" | dmsetup create $COW_NAME
+ echo "0 $COW_SIZE linear $COW_DEVICE 0" | dmsetup create $COW_NAME
- echo "0 $BACKING_FILE_SIZE snapshot $backdev /dev/mapper/$COW_NAME p $CHUNK_SIZE" | \
- dmsetup create casper-snapshot
- if [ "$(get_fstype $backdev)" = "unknown" ]; then
- panic "Unknown file system type on $backdev"
- fi
- mount -t $(get_fstype "$backdev") /dev/mapper/casper-snapshot $rootmnt || panic "Can not mount /dev/mapper/casper/snapshot on $rootmnt"
+ echo "0 $BACKING_FILE_SIZE snapshot $backdev /dev/mapper/$COW_NAME p $CHUNK_SIZE" | \
+ dmsetup create casper-snapshot
+ if [ "$(get_fstype $backdev)" = "unknown" ]; then
+ panic "Unknown file system type on $backdev"
+ fi
+ mount -t $(get_fstype "$backdev") /dev/mapper/casper-snapshot $rootmnt || panic "Can not mount /dev/mapper/casper/snapshot on $rootmnt"
- mkdir -p "$rootmnt/rofs"
- echo "0 $BACKING_FILE_SIZE linear $backdev 0" | dmsetup create casper-backing
- mount -t $(get_fstype "$backdev") /dev/mapper/casper-backing "$rootmnt/rofs"
+ mkdir -p "$rootmnt/rofs"
+ echo "0 $BACKING_FILE_SIZE linear $backdev 0" | dmsetup create casper-backing
+ mount -t $(get_fstype "$backdev") /dev/mapper/casper-backing "$rootmnt/rofs"
}
where_is_mounted() {
- device=$1
- if grep -q "^$device " /proc/mounts; then
- grep "^$device " /proc/mounts | read d mountpoint rest
- echo $mountpoint
- return 0
- fi
- return 1
+ device=$1
+ if grep -q "^$device " /proc/mounts; then
+ grep "^$device " /proc/mounts | read d mountpoint rest
+ echo $mountpoint
+ return 0
+ fi
+ return 1
+}
+
+copy_to_ram() {
+ copyfrom="$1"
+
+ if [ ! -z "${2}" ] ; then
+ # This will enable future rampersistence, todo yet
+ copyto="${2}"
+ moveit="False"
+ else
+ copyto="${copyfrom}_swap"
+ moveit="True"
+ fi
+
+ size=$(du -ks ${copyfrom} | cut -f1)
+ size=$(expr ${size} + ${size}/20 ) # Fixme: 5% more to be sure
+ needed_space=$(expr ${size} * 1024)
+ freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
+
+ if [ ! ${freespace} -lt ${needed_space} ] ; then
+ [ "$quiet" != "y" ] && log_begin_msg "Not enough free memory to copy to ram"
+ [ "$quiet" != "y" ] && log_end_msg
+ return
+ else
+ [ "$quiet" != "y" ] && log_begin_msg "Copying live media to ram..."
+ mkdir "${copyto}"
+ mount -t tmpfs -o size=${size}k /dev/shm ${copyto}
+ cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
+ umount ${copyfrom}
+ if [ "${moveit}" == "True" ]; then
+ mount -r -o move ${copyto} ${copyfrom}
+ rmdir ${copyto}
+ fi
+ [ "$quiet" != "y" ] && log_end_msg
+ fi
}
find_cow_device() {
- for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop); do
- for dev in $(subdevices "${sysblock}"); do
- devname=$(sys2dev "${dev}")
- if [ "$(/lib/udev/vol_id -l $devname 2>/dev/null)" = "casper-rw" ]; then
- echo "$devname"
- return
- elif [ "$(get_fstype ${devname})" = "vfat" ]; then
- mkdir -p /cow-backing
- if where_is_mounted ${devname} > /dev/null; then
- mount -o remount,rw ${devname} $(where_is_mounted ${devname}) || panic "Remounting failed"
- mount -o bind $(where_is_mounted ${devname}) /cow-backing || panic "Cannot bind-mount"
- else
- mount -t $(get_fstype "${devname}") -o rw "${devname}" /cow-backing || panic "Cannot mount $devname on /cow-backing"
- fi
-
- if [ -e "/cow-backing/casper-rw" ]; then
- echo $(setup_loop "/cow-backing/casper-rw" "loop" "/sys/block/loop*")
- return 0
- else
- umount /cow-backing
- fi
- fi
-
- done
- done
- return 1
+ pers_label="${1}"
+ cow_backing="/${pers_label}-backing"
+ for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop); do
+ for dev in $(subdevices "${sysblock}"); do
+ devname=$(sys2dev "${dev}")
+ if [ "$(/lib/udev/vol_id -l $devname 2>/dev/null)" = "${pers_label}" ]; then
+ echo "$devname"
+ return
+ elif [ "$(get_fstype ${devname})" = "vfat" ]; then
+ mkdir -p "${cow_backing}"
+ if where_is_mounted ${devname} > /dev/null; then
+ mount -o remount,rw ${devname} $(where_is_mounted ${devname}) || panic "Remounting failed"
+ mount -o bind $(where_is_mounted ${devname}) ${cow_backing} || panic "Cannot bind-mount"
+ else
+ mount -t $(get_fstype "${devname}") -o rw "${devname}" ${cow_backing} || panic "Cannot mount $devname on /cow-backing"
+ fi
+
+ if [ -e "${cow_backing}/${pers_label}" ]; then
+ echo $(setup_loop "${cow_backing}/${pers_label}" "loop" "/sys/block/loop*")
+ return 0
+ else
+ umount ${cow_backing}
+ fi
+ fi
+ done
+ done
+}
+
+do_netmount() {
+ rc=1
+
+ modprobe -q af_packet # For DHCP
+
+ ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf
+
+ if [ "${NFSROOT}" = "auto" ]; then
+ NFSROOT=${ROOTSERVER}:${ROOTPATH}
+ fi
+
+ [ "$quiet" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+
+ if [ "${NETBOOT}" != "nfs" ] && do_cifsmount ; then
+ rc=0
+ elif do_nfsmount ; then
+ rc=0
+ fi
+
+ [ "$quiet" != "y" ] && log_end_msg
+ return ${rc}
+}
+
+do_nfsmount() {
+ rc=1
+ modprobe -q nfs
+ if [ -z "${NFSOPTS}" ]; then
+ NFSOPTS=""
+ fi
+
+ [ "$quiet" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
+ # FIXME: This for loop is an ugly HACK round an nfs bug
+ for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
+ nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
+ sleep 1
+ done
+ return ${rc}
+}
+
+do_cifsmount() {
+ rc=1
+ if [ -x "/sbin/mount.cifs" ]; then
+ if [ -z "${NFSOPTS}" ]; then
+ CIFSOPTS="-ouser=root,password="
+ else
+ CIFSOPTS="${NFSOPTS}"
+ fi
+
+ [ "$quiet" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
+ modprobe -q cifs
+
+ if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}" ; then
+ rc=0
+ fi
+ fi
+ return ${rc}
}
setup_unionfs() {
- backdev="$1"
+ image_directory="$1"
rootmnt="$2"
- modprobe -Qb unionfs
- mkdir -p /cow
-
- if grep -q persistent /proc/cmdline; then
- i=0
- # We love udev and the kernel!
- while [ "$i" -lt 300 ]; do
- cowdevice=$(find_cow_device)
- if [ -b "$cowdevice" ]; then
- mount -t $(get_fstype "$cowdevice") -o rw "$cowdevice" /cow || panic "Can not mount $cowdevice on /cow"
- break
- fi
- sleep 5
-# sleep 0.1
- i=$(( $i + 1 ))
- done
- else
- mount -t tmpfs tmpfs /cow
- fi
-
- mkdir -p /rofs
- if [ "$(get_fstype $backdev)" = "unknown" ]; then
- panic "Unknown file system type on $backdev"
- fi
- mount -t $(get_fstype "$backdev") -o ro "$backdev" /rofs || panic "Can not mount $backdev on /rofs"
-
- mount -t unionfs -o dirs=/cow=rw:/rofs=ro unionfs "$rootmnt"
- if grep -q show-cow /proc/cmdline; then
- mkdir -p "$rootmnt/cow"
- mount -o bind /cow "$rootmnt/cow"
- fi
- mkdir -p "$rootmnt/rofs"
- mount -o bind /rofs "$rootmnt/rofs"
+
+ modprobe -qb unionfs
+
+ croot="" # Should really be /casper, but run-init doesn't handle
+ # mount-points in subdirectories at all
+
+ # Let's just mount the read-only file systems first
+ rofsstring=""
+ rofslist=""
+ mkdir -p "${croot}"
+ for image_type in "ext2" "squashfs" "dir" ; do
+ for image in "${image_directory}"/*."${image_type}"; do
+ imagename=$(basename "${image}")
+ if [ -d "${image}" ]; then
+ # it is a plain directory: do nothing
+ rofslist="${image} ${rofslist}"
+ rofsstring="${image}=ro:${rofsstring}"
+ elif [ -f "${image}" ]; then
+ backdev=$(get_backing_device "$image")
+ fstype=$(get_fstype "${backdev}")
+ if [ "${fstype}" = "unknown" ]; then
+ panic "Unknown file system type on ${backdev} (${image})"
+ fi
+ mkdir -p "${croot}/${imagename}"
+ mount -t "${fstype}" -o ro "${backdev}" "${croot}/${imagename}" || panic "Can not mount $backdev ($image) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=ro:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+ fi
+ done
+ done
+ rofsstring=${rofsstring%:}
+
+ mkdir -p /cow
+ cowdevice="tmpfs"
+ cow_fstype="tmpfs"
+
+ # Looking for "${root_persistence}" device or file
+ if [ ! -z "${PERSISTENT}" ]; then
+ cowprobe=$(find_cow_device "${root_persistence}")
+ if [ -b "${cowprobe}" ]; then
+ cowdevice=${cowprobe}
+ cow_fstype=$(get_fstype "${cowprobe}")
+ else
+ [ "$quiet" != "y" ] && log_begin_msg "Unable to find the persistent medium"
+ fi
+ fi
+
+ mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not mount $cowdevice on /cow"
+
+ mount -t unionfs -o dirs=/cow=rw:$rofsstring unionfs "$rootmnt" || panic "Unionfs mount failed"
+
+ for d in ${rofslist}; do
+ mkdir -p "${rootmnt}/casper/${d}"
+ mount -o bind "${d}" "${rootmnt}/casper/${d}"
+ case d in
+ *.dir) ;; # do nothing
+ *) umount "${d}" ;;
+ esac
+ done
+
+ # Adding other custom mounts
+ if [ ! -z "${PERSISTENT}" ]; then
+ homecow=$(find_cow_device "${home_persistence}" )
+ if [ -b "${homecow}" ]; then
+ mount ${homecow} -t $(get_fstype "${homecow}") -o rw "${rootmnt}/home"
+ else
+ [ "$quiet" != "y" ] && log_begin_msg "Unable to find the persistent home medium"
+ fi
+ fi
+
+ if [ ! -z "${SHOWCOW}" ]; then
+ mkdir -p "$rootmnt/cow"
+ mount -o bind /cow "$rootmnt/cow"
+ fi
}
is_usb_device() {
sysfs_path="${1#/sys}"
- if /lib/udev/path_id "${sysfs_path}" | grep -q "ID_PATH=usb"; then
+ if /lib/udev/path_id "${sysfs_path}" | grep -Eq "ID_PATH=(usb|pci-[^-]*-usb)"; then
return 0
fi
return 1
}
-find_cd() {
+find_livefs() {
mounted=
- 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
- mount -t ${fstype} -o ro "$devname" $mountpoint || continue
- if casper_path $mountpoint; then
- echo $(casper_path $mountpoint)
- return
- else
- umount $mountpoint
- fi
- elif is_usb_device "$sysblock"; then
- for dev in $(subdevices "${sysblock}"); do
- devname=$(sys2dev "${dev}")
- fstype=$(get_fstype "${devname}")
- case ${fstype} in
- vfat|iso9660|udf)
- mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
- if casper_path $mountpoint; then
- echo $(casper_path $mountpoint)
- return
- else
- umount $mountpoint
- fi
- ;;
- esac
- done
- elif [ "${fstype}" = "squashfs" ]; then
-
- # This is an ugly hack situation, the block device has
- # a squashfs image directly on it. It's hopefully
- # casper, so take it and run with it.
-
- ln -s "${devname}" "${devname}.${fstype}"
- echo "${devname}.${fstype}"
- return
- fi
- done
+ 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
+ mount -t ${fstype} -o ro "$devname" $mountpoint || continue
+ if is_casper_path $mountpoint; then
+ echo $mountpoint
+ return
+ else
+ umount $mountpoint
+ fi
+ elif is_usb_device "$sysblock"; then
+ for dev in $(subdevices "${sysblock}"); do
+ devname=$(sys2dev "${dev}")
+ fstype=$(get_fstype "${devname}")
+ case ${fstype} in
+ vfat|iso9660|udf)
+ mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
+ if is_casper_path $mountpoint; then
+ echo $mountpoint
+ return
+ else
+ umount $mountpoint
+ fi
+ ;;
+ esac
+ done
+ elif [ "${fstype}" = "squashfs" || \
+ "${fstype}" = "ext2" ]; then
+
+ # This is an ugly hack situation, the block device has
+ # an image directly on it. It's hopefully
+ # casper, so take it and run with it.
+
+ ln -s "${devname}" "${devname}.${fstype}"
+ echo "${devname}.${fstype}"
+ return
+ fi
+ done
}
set_usplash_timeout() {
- if [ -x /sbin/usplash_write ]; then
- /sbin/usplash_write "TIMEOUT 120"
- fi
+ if [ -x /sbin/usplash_write ]; then
+ /sbin/usplash_write "TIMEOUT 120"
+ fi
}
mountroot() {
- exec 6>&1
- exec 7>&2
- exec > casper.log
- exec 2>&1
-
- set_usplash_timeout
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-premount"
- run_scripts /scripts/casper-premount
- [ "$quiet" != "y" ] && log_end_msg
-
- # Needed here too because some things (*cough* udev *cough*)
- # changes the timeout
-
- set_usplash_timeout
-
- for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
- live_image=$(find_cd)
- if [ "${live_image}" ]; then
- break
- fi
- sleep 1
- done
- if [ "$?" -gt 0 ]; then
- panic "Unable to find a CD-ROM containing a live file system"
- fi
-
- setup_cow "$overlay_method" "$(get_backing_device $live_image)" "$rootmnt"
-
- log_end_msg
-
- maybe_break casper-bottom
- [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-bottom"
-
- run_scripts /scripts/casper-bottom
- [ "$quiet" != "y" ] && log_end_msg
-
- exec 1>&6 6>&-
- exec 2>&7 7>&-
- cp casper.log "${rootmnt}/var/log/"
+ exec 6>&1
+ exec 7>&2
+ exec > casper.log
+ exec 2>&1
+
+ set_usplash_timeout
+ [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-premount"
+ run_scripts /scripts/casper-premount
+ [ "$quiet" != "y" ] && log_end_msg
+
+ # Needed here too because some things (*cough* udev *cough*)
+ # changes the timeout
+
+ set_usplash_timeout
+
+ if [ ! -z "${NETBOOT}" ]; then
+ if do_netmount ; then
+ livefs_root="${mountpoint}"
+ else
+ panic "Unable to find a the network rootfs live file system"
+ fi
+ else
+ # Scan local devices for the image
+ for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
+ livefs_root=$(find_livefs)
+ if [ "${livefs_root}" ]; then
+ break
+ fi
+ done
+
+ if [ "$?" -gt 0 ]; then
+ panic "Unable to find a medium containing a live file system"
+ fi
+
+ if [ ! -z "${TORAM}" ]; then
+ copy_to_ram "${livefs_root}"
+ fi
+ fi
+ sleep 1
+
+ mount_images_in_directory "$livefs_root" "$rootmnt"
+
+ log_end_msg
+
+ maybe_break casper-bottom
+ [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-bottom"
+
+ run_scripts /scripts/casper-bottom
+ [ "$quiet" != "y" ] && log_end_msg
+
+ exec 1>&6 6>&-
+ exec 2>&7 7>&-
+ cp casper.log "${rootmnt}/var/log/"
}