5 export PATH="/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin"
7 echo "/root/lib" >> /etc/ld.so.conf
8 echo "/root/usr/lib" >> /etc/ld.so.conf
10 mountpoint="/live/image"
11 alt_mountpoint="/media"
12 LIVE_MEDIA_PATH="live"
14 root_persistence="live-rw"
15 home_persistence="home-rw"
16 root_snapshot_label="live-sn"
17 home_snapshot_label="home-sn"
20 USERFULLNAME="Live user"
23 mkdir -p "${mountpoint}"
26 # Create /etc/mtab for debug purpose and future syncs
37 . /scripts/live-helpers
39 if [ ! -f /live.vars ]
49 for ARGUMENT in $(cat /proc/cmdline)
58 export NOACCESSIBILITY NOFASTBOOT NOFSTAB NONETWORKING
62 ACCESS="${ARGUMENT#access=}"
67 DEFCONSOLE="${ARGUMENT#*=}"
83 # Force dhcp even while netbooting
84 # Use for debugging in case somebody works on fixing dhclient
94 DEVICE="${ARGUMENT#ethdevice=}"
96 export DEVICE ETHDEVICE
100 ETHDEV_TIMEOUT="${ARGUMENT#ethdevice-timeout=}"
101 export ETHDEV_TIMEOUT
105 FETCH="${ARGUMENT#fetch=}"
110 FORCEPERSISTENTFSCK="Yes"
111 export FORCEPERSISTENTFSCK
115 FTPFS="${ARGUMENT#ftpfs=}"
120 HTTPFS="${ARGUMENT#httpfs=}"
125 ISCSI="${ARGUMENT#iscsi=}"
126 #ip:port - separated by ;
127 ISCSI_PORTAL="${ISCSI%;*}"
128 if echo "${ISCSI_PORTAL}" | grep -q , ; then
129 ISCSI_SERVER="${ISCSI_PORTAL%,*}"
130 ISCSI_PORT="${ISCSI_PORTAL#*,}"
133 ISCSI_TARGET="${ISCSI#*;}"
134 export ISCSI ISCSI_PORTAL ISCSI_TARGET ISCSI_SERVER ISCSI_PORT
138 FROMISO="${ARGUMENT#*=}"
148 INTEGRITY_CHECK="Yes"
149 export INTEGRITY_CHECK
153 STATICIP="${ARGUMENT#ip=}"
155 if [ -z "${STATICIP}" ]
168 live-media=*|bootfrom=*)
169 LIVE_MEDIA="${ARGUMENT#*=}"
173 live-media-encryption=*|encryption=*)
174 LIVE_MEDIA_ENCRYPTION="${ARGUMENT#*=}"
175 export LIVE_MEDIA_ENCRYPTION
179 LIVE_MEDIA_OFFSET="${ARGUMENT#live-media-offset=}"
180 export LIVE_MEDIA_OFFSET
184 LIVE_MEDIA_PATH="${ARGUMENT#live-media-path=}"
185 export LIVE_MEDIA_PATH
188 live-media-timeout=*)
189 LIVE_MEDIA_TIMEOUT="${ARGUMENT#live-media-timeout=}"
190 export LIVE_MEDIA_TIMEOUT
194 MODULE="${ARGUMENT#module=}"
199 NETBOOT="${ARGUMENT#netboot=}"
204 NFSOPTS="${ARGUMENT#nfsopts=}"
209 NFS_COW="${ARGUMENT#nfscow=}"
214 NOACCESSIBILITY="Yes"
215 export NOACCESSIBILITY
234 ramdisk_size="${ARGUMENT#ramdisk-size=}"
247 persistent-encryption=*)
248 PERSISTENT_ENCRYPTION="${ARGUMENT#*=}"
249 export PERSISTENT_ENCRYPTION
253 PERSISTENT_MEDIA="${ARGUMENT#*=}"
254 export PERSISTENT_MEDIA
257 PERSISTENT_METHOD="${ARGUMENT#*=}"
258 export PERSISTENT_METHOD
262 PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
263 export PERSISTENT_PATH
266 persistent-storage=*)
267 PERSISTENT_STORAGE="${ARGUMENT#persistent-storage=}"
268 export PERSISTENT_STORAGE
271 persistent-subtext=*)
272 root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
273 home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
274 root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
275 home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
289 NOPROMPT="${ARGUMENT#noprompt=}"
294 QUICKUSBMODULES="Yes"
295 export QUICKUSBMODULES
298 preseed/file=*|file=*)
299 LOCATIONS="${ARGUMENT#*=} ${LOCATIONS}"
309 question="${ARGUMENT%%=*}"
310 value="${ARGUMENT#*=}"
311 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
326 TODISK="${ARGUMENT#todisk=}"
337 MODULETORAM="${ARGUMENT#toram=}"
338 export TORAM MODULETORAM
352 SKIP_UNION_MOUNTS="Yes"
353 export SKIP_UNION_MOUNTS
357 ROOT="${ARGUMENT#root=}"
362 UNIONTYPE="${ARGUMENT#union=}"
368 # sort of compatibility with netboot.h from linux docs
369 if [ -z "${NETBOOT}" ]
371 if [ "${ROOT}" = "/dev/nfs" ]
375 elif [ "${ROOT}" = "/dev/cifs" ]
382 if [ -z "${MODULE}" ]
388 if [ -z "${UNIONTYPE}" ]
394 if [ "${PERSISTENT_ENCRYPTION}" = "luks" ]
396 if ! modprobe dm-crypt
398 log_warning_msg "Unable to load module dm-crypt"
399 PERSISTENT_ENCRYPTION="none"
400 export PERSISTENT_ENCRYPTION
403 if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
405 log_warning_msg "cryptsetup in unavailable"
406 PERSISTENT_ENCRYPTION="none"
407 export PERSISTENT_ENCRYPTION
411 if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_METHOD}" ]
413 PERSISTENT_METHOD="snapshot,overlay"
414 export PERSISTENT_METHOD
417 if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_STORAGE}" ]
419 PERSISTENT_STORAGE="filesystem,file"
420 export PERSISTENT_STORAGE
428 if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
430 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
432 if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
444 if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
450 uuid="$(cat /conf/uuid.conf)"
452 for try_uuid_file in "${path}/.disk/live-uuid"*
454 [ -e "${try_uuid_file}" ] || continue
456 try_uuid="$(cat "${try_uuid_file}")"
458 if [ "${uuid}" = "${try_uuid}" ]
467 get_backing_device ()
470 *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
471 echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
479 panic "Unrecognized live filesystem: ${1}"
484 match_files_in_dir ()
486 # Does any files match pattern ${1} ?
489 if [ "$(echo ${pattern})" != "${pattern}" ]
497 mount_images_in_directory ()
504 if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
505 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
506 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
507 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
508 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
509 match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
511 [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
512 setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
514 panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
520 sysfs_path="${1#/sys}"
522 if [ -e /lib/udev/path_id ]
525 PATH_ID="/lib/udev/path_id"
527 # wheezy/sid (udev >= 174)
528 PATH_ID="/sbin/udevadm test-builtin path_id"
531 if "${PATH_ID}" "${sysfs_path}" | egrep -q "ID_PATH=(usb|pci-[^-]*-(ide|sas|scsi|usb|virtio)|platform-sata_mv|platform-orion-ehci|platform-mmc|platform-mxsdhci)"
534 elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
537 elif echo ${sysfs_path} | grep -q "^/block/dm-"
540 elif echo ${sysfs_path} | grep -q "^/block/mtdblock"
552 copyto="${copyfrom}_swap"
554 if [ -z "${MODULETORAM}" ]
556 size=$(fs_size "" ${copyfrom}/${LIVE_MEDIA_PATH} "used")
558 MODULETORAMFILE="${copyfrom}/${LIVE_MEDIA_PATH}/${MODULETORAM}"
560 if [ -f "${MODULETORAMFILE}" ]
562 size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
564 log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
569 if [ "${copytodev}" = "ram" ]
572 freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
573 mount_options="-o size=${size}k"
578 # it should be a writable block device
579 if [ -b "${copytodev}" ]
583 fstype=$(get_fstype "${dev}")
584 freespace=$(fs_size "${dev}")
586 log_warning_msg "${copytodev} is not a block device."
591 if [ "${freespace}" -lt "${size}" ]
593 log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
597 # Custom ramdisk size
598 if [ -z "${mount_options}" ] && [ -n "${ramdisk_size}" ]
600 # FIXME: should check for wrong values
601 mount_options="-o size=${ramdisk_size}"
604 # begin copying (or uncompressing)
606 log_begin_msg "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
607 mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
609 if [ "${extension}" = "tgz" ]
612 tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
613 rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
614 mount -r -o move "${copyto}" "${rootmnt}"
617 if [ -n "${MODULETORAMFILE}" ]
621 echo " * Copying $MODULETORAMFILE to RAM" 1>/dev/console
622 rsync -a --progress ${MODULETORAMFILE} ${copyto} 1>/dev/console # copy only the filesystem module
624 cp ${MODULETORAMFILE} ${copyto} # copy only the filesystem module
629 echo " * Copying whole medium to RAM" 1>/dev/console
630 rsync -a --progress ${copyfrom}/* ${copyto} 1>/dev/console # "cp -a" from busybox also copies hidden files
632 mkdir -p ${copyto}/${LIVE_MEDIA_PATH}
633 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/* ${copyto}/${LIVE_MEDIA_PATH}
634 if [ -e ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ]
636 cp -a ${copyfrom}/${LIVE_MEDIA_PATH}/.disk ${copyto}
642 mount -r -o move ${copyto} ${copyfrom}
651 modprobe -q af_packet # For DHCP
656 [ -n "$ETHDEV_TIMEOUT" ] || ETHDEV_TIMEOUT=15
657 echo "Using timeout of $ETHDEV_TIMEOUT seconds for network configuration."
659 if [ -z "${NETBOOT}" ] && [ -z "${FETCH}" ] && \
660 [ -z "${HTTPFS}" ] && [ -z "${FTPFS}" ]
664 # support for Syslinux IPAPPEND parameter
665 # it sets the BOOTIF variable on the kernel parameter
667 if [ -n "${BOOTIF}" ]
669 # pxelinux sets BOOTIF to a value based on the mac address of the
670 # network card used to PXE boot, so use this value for DEVICE rather
671 # than a hard-coded device name from initramfs.conf. this facilitates
672 # network booting when machines may have multiple network cards.
673 # pxelinux sets BOOTIF to 01-$mac_address
675 # strip off the leading "01-", which isn't part of the mac
677 temp_mac=${BOOTIF#*-}
679 # convert to typical mac address format by replacing "-" with ":"
684 if [ -z "$bootif_mac" ]
688 bootif_mac="$bootif_mac:$x"
693 # look for devices with matching mac address, and set DEVICE to
694 # appropriate value if match is found.
696 for device in /sys/class/net/*
698 if [ -f "$device/address" ]
700 current_mac=$(cat "$device/address")
702 if [ "$bootif_mac" = "$current_mac" ]
711 # if ethdevice was not specified on the kernel command line
712 # make sure we try to get a working network configuration
713 # for *every* present network device (except for loopback of course)
714 if [ -z "$ETHDEVICE" ] ; then
715 echo "If you want to boot from a specific device use bootoption ethdevice=..."
716 for device in /sys/class/net/*; do
718 if [ "$dev" != "lo" ] ; then
719 ETHDEVICE="$ETHDEVICE $dev"
724 # split args of ethdevice=eth0,eth1 into "eth0 eth1"
725 for device in $(echo $ETHDEVICE | sed 's/,/ /g') ; do
726 devlist="$devlist $device"
729 # this is tricky (and ugly) because ipconfig sometimes just hangs/runs into
730 # an endless loop; iff execution fails give it two further tries, that's
731 # why we use '$devlist $devlist $devlist' for the other for loop
732 for dev in $devlist $devlist $devlist ; do
733 echo "Executing ipconfig -t $ETHDEV_TIMEOUT $dev"
734 ipconfig -t "$ETHDEV_TIMEOUT" $dev | tee -a /netboot.config &
736 sleep "$ETHDEV_TIMEOUT" ; sleep 1
737 if [ -r /proc/"$jobid"/status ] ; then
738 echo "Killing job $jobid for device $dev as ipconfig ran into recursion..."
742 # if configuration of device worked we should have an assigned
743 # IP address, iff so let's use the according as $DEVICE for later usage
744 # simple and primitive approach which seems to work fine
745 if ifconfig $dev | grep -q 'inet.*addr:' ; then
752 for interface in ${DEVICE}; do
753 ipconfig -t "$ETHDEV_TIMEOUT" ${interface} | tee /netboot-${interface}.config
754 [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
755 if [ "$IPV4ADDR" != "0.0.0.0" ]
762 for interface in ${DEVICE}; do
763 # source relevant ipconfig output
764 OLDHOSTNAME=${HOSTNAME}
765 [ -e /tmp/net-${interface}.conf ] && . /tmp/net-${interface}.conf
766 [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
769 if [ -n "${interface}" ]
771 HWADDR="$(cat /sys/class/net/${interface}/address)"
774 if [ ! -e "/etc/resolv.conf" ]
776 echo "Creating /etc/resolv.conf"
778 if [ -n "${DNSDOMAIN}" ]
780 echo "domain ${DNSDOMAIN}" > /etc/resolv.conf
781 echo "search ${DNSDOMAIN}" >> /etc/resolv.conf
784 for i in ${IPV4DNS0} ${IPV4DNS1} ${IPV4DNS1}
786 if [ -n "$i" ] && [ "$i" != 0.0.0.0 ]
788 echo "nameserver $i" >> /etc/resolv.conf
793 # Check if we have a network device at all
794 if ! ls /sys/class/net/"$interface" > /dev/null 2>&1 && \
795 ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
796 ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
797 ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
798 ! ls /sys/class/net/ra0 > /dev/null 2>&1
800 panic "No supported network device found, maybe a non-mainline driver is required."
809 if [ "${NFSROOT}" = "auto" ]
811 NFSROOT=${ROOTSERVER}:${ROOTPATH}
816 if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] )
822 if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
824 NFSROOT=${ROOTSERVER}:${NFSROOT}
827 log_begin_msg "Trying netboot from ${NFSROOT}"
829 if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
849 [ "${DEBUG}" == "Yes" ] && debugopt="-d 8"
850 #FIXME this name is supposed to be unique - some date + ifconfig hash?
851 ISCSI_INITIATORNAME="iqn.1993-08.org.debian.live:01:$(echo "${HWADDR}" | sed -e s/://g)"
852 export ISCSI_INITIATORNAME
853 if [ -n "${ISCSI_SERVER}" ] ; then
854 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_SERVER}" -p "${ISCSI_PORT}"
856 iscsistart $debugopt -i "${ISCSI_INITIATORNAME}" -t "${ISCSI_TARGET}" -g 1 -a "${ISCSI_PORTAL}" -p 3260
860 panic "Failed to log into iscsi target"
862 local host="$(ls -d /sys/class/scsi_host/host*/device/iscsi_host:host* \
863 /sys/class/scsi_host/host*/device/iscsi_host/host* | sed -e 's:/device.*::' -e 's:.*host::')"
868 while [ -z "${devices}" -a $i -lt 60 ]
871 devices="$(ls -d /sys/class/scsi_device/${host}*/device/block:* \
872 /sys/class/scsi_device/${host}*/device/block/* | sed -e 's!.*[:/]!!')"
878 if check_dev "null" "/dev/$dev"
885 panic "Failed to locate a live device on iSCSI devices (tried: $devices)."
887 panic "Failed to locate iSCSI host in /sys"
895 for webfile in HTTPFS FTPFS FETCH
897 local url="$(eval echo \"\$\{${webfile}\}\")"
898 local extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
902 case "${extension}" in
903 iso|squashfs|tgz|tar)
904 if [ "${extension}" = "iso" ]
906 mkdir -p "${alt_mountpoint}"
907 dest="${alt_mountpoint}"
909 local dest="${mountpoint}/${LIVE_MEDIA_PATH}"
910 mount -t ramfs ram "${mountpoint}"
913 if [ "${webfile}" = "FETCH" ]
917 ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
918 rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
919 lfile="$(basename $url)"
920 log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
921 tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
925 log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
926 wget "${url}" -O "${dest}/$(basename ${url})"
930 log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
931 if [ "${webfile}" = "FTPFS" ]
933 FUSE_MOUNT="curlftpfs"
934 url="$(dirname ${url})"
939 $FUSE_MOUNT "${url}" "${dest}"
940 ROOT_PID="$(minips h -C "$FUSE_MOUNT" | { read x y ; echo "$x" ; } )"
942 [ ${?} -eq 0 ] && rc=0
943 [ "${extension}" = "tgz" ] && live_dest="ram"
944 if [ "${extension}" = "iso" ]
946 isoloop=$(setup_loop "${dest}/$(basename "${url}")" "loop" "/sys/block/loop*" "" '')
947 mount -t iso9660 "${isoloop}" "${mountpoint}"
954 log_begin_msg "Unrecognized archive extension for ${url}"
962 if [ -d "${alt_mountpoint}" ]
964 umount "${alt_mountpoint}"
965 rmdir "${alt_mountpoint}"
967 umount "${mountpoint}"
968 elif [ "${webfile}" != "FETCH" ] ; then
982 if [ -z "${NFSOPTS}" ]
987 log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
989 # FIXME: This while loop is an ugly HACK round an nfs bug
991 while [ "$i" -lt 60 ]
993 nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
1005 if [ -x "/sbin/mount.cifs" ]
1007 if [ -z "${NFSOPTS}" ]
1009 CIFSOPTS="-ouser=root,password="
1011 CIFSOPTS="${NFSOPTS}"
1014 log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
1017 if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
1031 size=$(fs_size "${fromdev}" "" "used")
1033 if [ -b "${fromdev}" ]
1035 log_success_msg "Copying snapshot ${fromdev} to ${todir}..."
1038 if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
1040 todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
1041 freespace=$(df -k | awk '/'${todev}'/{print $4}')
1043 freespace=$(awk '/^MemFree:/{f=$2} /^Cached:/{c=$2} END{print f+c}' /proc/meminfo)
1046 tomount="/mnt/tmpsnap"
1048 if [ ! -d "${tomount}" ]
1050 mkdir -p "${tomount}"
1053 fstype=$(get_fstype "${fromdev}")
1055 if [ -n "${fstype}" ]
1058 mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
1059 cp -a "${tomount}"/* ${todir}
1062 log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
1067 if echo ${fromdev} | grep -qs loop
1069 losetup -d "${fromdev}"
1074 log_warning_msg "Unable to find the snapshot ${snap_type} medium"
1081 # copy the contents of previously found snapshot to ${snap_mount}
1082 # and remember the device and filename for resync on exit in live-boot.init
1089 if [ -z "${snap_relpath}" ]
1091 # root snapshot, default usage
1094 # relative snapshot (actually used just for "/home" snapshots)
1095 snap_mount="${2}${snap_relpath}"
1098 if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
1100 log_success_msg "found snapshot: ${snapdata}"
1101 snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
1102 snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
1103 snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
1105 if ! try_mount "${snapdev}" "${snapback}" "ro"
1112 if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
1114 # squashfs, jffs2 or ext2/ext3/ext4 snapshot
1115 dev=$(get_backing_device "${snapback}/${snapfile}")
1117 do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1122 # Unfortunately klibc's cpio is incompatible with the
1123 # rest of the world; everything else requires -u -d,
1124 # while klibc doesn't implement them. Try to detect
1125 # whether it's in use.
1126 cpiopath="$(which cpio)" || true
1127 if [ "$cpiopath" ] && grep -aq /lib/klibc "$cpiopath"
1131 cpioargs='--unconditional --make-directories'
1134 if [ -s "${snapback}/${snapfile}" ]
1137 cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse 2>/dev/null
1141 log_warning_msg "${snapback}/${snapfile} is empty, adding it for sync on reboot."
1145 if [ "${RES}" != "0" ]
1147 log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | $cpiopath $cpioargs --extract --preserve-modification-time --no-absolute-filenames --sparse\""
1151 umount "${snapback}" || log_warning_msg "failure to \"umount ${snapback}\""
1153 if [ "${RES}" != "0" ]
1155 log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
1158 elif [ -b "${snapdata}" ]
1160 # Try to find if it could be a snapshot partition
1162 log_success_msg "found snapshot ${snap_type} device on ${dev}"
1163 if echo "${dev}" | grep -qs loop
1165 # strange things happens, user confused?
1166 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
1167 snapfile=$(basename ${snaploop})
1168 snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
1173 if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
1175 log_warning_msg "Impossible to include the ${snap_type} Snapshot (i)"
1178 if [ -n "${snapfile}" ]
1180 # it was a loop device, user confused
1185 log_warning_msg "Impossible to include the ${snap_type} Snapshot (o)"
1189 echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
1195 image_directory="${1}"
1197 addimage_directory="${3}"
1199 case ${UNIONTYPE} in
1201 modprobe -q -b ${UNIONTYPE}
1203 if ! cut -f2 /proc/filesystems | grep -q "^${UNIONTYPE}\$" && [ -x /bin/unionfs-fuse ]
1205 echo "${UNIONTYPE} not available, falling back to unionfs-fuse."
1206 echo "This might be really slow."
1208 UNIONTYPE="unionfs-fuse"
1213 if [ "${UNIONTYPE}" = unionfs-fuse ]
1218 # run-init can't deal with images in a subdir, but we're going to
1219 # move all of these away before it runs anyway. No, we're not,
1220 # put them in / since move-mounting them into / breaks mono and
1225 # Let's just mount the read-only file systems first
1228 if [ "${UNIONTYPE}" = "aufs" ]
1231 noxino_opt="noxino,"
1232 elif [ "${UNIONTYPE}" = "unionfs-fuse" ]
1239 if [ -z "${PLAIN_ROOT}" ]
1241 # Read image names from ${MODULE}.module if it exists
1242 if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
1244 for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
1246 image_string="${image_string} ${image_directory}/${IMAGE}"
1248 elif [ -e "${image_directory}/${MODULE}.module" ]
1250 for IMAGE in $(cat ${image_directory}/${MODULE}.module)
1252 image_string="${image_string} ${image_directory}/${IMAGE}"
1255 # ${MODULE}.module does not exist, create a list of images
1256 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1258 for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
1260 if [ -e "${IMAGE}" ]
1262 image_string="${image_string} ${IMAGE}"
1267 if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
1269 for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
1271 for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
1273 if [ -e "${IMAGE}" ]
1275 image_string="${image_string} ${IMAGE}"
1282 image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
1285 [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
1289 for image in ${image_string}
1291 imagename=$(basename "${image}")
1293 export image devname
1294 maybe_break live-realpremount
1295 log_begin_msg "Running /scripts/live-realpremount"
1296 run_scripts /scripts/live-realpremount
1299 if [ -d "${image}" ]
1301 # it is a plain directory: do nothing
1302 rofslist="${image} ${rofslist}"
1303 elif [ -f "${image}" ]
1305 if losetup --help 2>&1 | grep -q -- "-r\b"
1307 backdev=$(get_backing_device "${image}" "-r")
1309 backdev=$(get_backing_device "${image}")
1311 fstype=$(get_fstype "${backdev}")
1313 if [ "${fstype}" = "unknown" ]
1315 panic "Unknown file system type on ${backdev} (${image})"
1318 if [ -z "${fstype}" ]
1320 fstype="${imagename##*.}"
1321 log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
1324 if [ "${UNIONTYPE}" != "unionmount" ]
1326 mpoint="${croot}/${imagename}"
1327 rofslist="${mpoint} ${rofslist}"
1330 rofslist="${rootmnt} ${rofslist}"
1332 mkdir -p "${mpoint}"
1333 log_begin_msg "Mounting \"${image}\" on \"${mpoint}\" via \"${backdev}\""
1334 mount -t "${fstype}" -o ro,noatime "${backdev}" "${mpoint}" || panic "Can not mount ${backdev} (${image}) on ${mpoint}"
1339 # we have a plain root system
1340 mkdir -p "${croot}/filesystem"
1341 log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
1342 mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || \
1343 panic "Can not mount ${image_directory} on ${croot}/filesystem" && \
1344 rofslist="${croot}/filesystem ${rofslist}"
1346 mount -o bind ${croot}/filesystem $mountpoint
1352 # Looking for "${root_persistence}" device or file
1353 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1356 if [ -z "${QUICKUSBMODULES}" ]
1359 num_block=$(ls -l /sys/block | wc -l)
1360 for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
1362 modprobe -q -b ${module}
1368 # For some reason, udevsettle does not block in this scenario,
1369 # so we sleep for a little while.
1371 # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
1372 for timeout in 5 4 3 2 1
1376 if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
1383 case "${PERSISTENT_MEDIA}" in
1385 whitelistdev="$(removable_dev)"
1388 whitelistdev="$(removable_usb_dev)"
1395 if echo ${PERSISTENT_METHOD} | grep -qw overlay
1397 overlays="${root_persistence} ${home_persistence}"
1400 if echo ${PERSISTENT_METHOD} | grep -qw snapshot
1402 snapshots="${root_snapshot_label} ${home_snapshot_label}"
1406 for media in $(find_persistent_media "${overlays}" "${snapshots}" "${blacklistdev}" "${whitelistdev}")
1408 media="$(echo ${media} | tr ":" " ")"
1410 ${root_persistence}=*)
1411 cowprobe="${media#*=}"
1413 ${home_persistence}=*)
1414 homecow="${media#*=}"
1416 ${root_snapshot_label}=*)
1417 root_snapdata="${media#*=}"
1419 ${home_snapshot_label}=*)
1420 # This second type should be removed when snapshot will get smarter,
1421 # hence when "/etc/live-snapshot*list" will be supported also by
1422 # ext2|ext3|ext4|jffs2 snapshot types.
1423 home_snapdata="${media#*=}"
1430 if [ -b "${cowprobe}" ] || [ -b "${homecow}" ]
1432 PERSISTENCE_IS_ON="1"
1433 export PERSISTENCE_IS_ON
1436 if [ -b "${cowprobe}" ]
1438 cowdevice=${cowprobe}
1439 cow_fstype=$(get_fstype "${cowprobe}")
1440 cow_mountopt="rw,noatime"
1442 if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
1444 fsck -y ${cowdevice}
1449 cow_mountopt="rw,noatime,mode=755"
1451 elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
1453 # check if there are any nfs options
1454 if echo ${NFS_COW}|grep -q ','
1456 nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
1457 nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
1459 nfs_cow_opts="-o nolock"
1465 cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
1468 panic "unable to determine mac address"
1473 cow_mountopt="rw,noatime,mode=755"
1476 if [ "${UNIONTYPE}" != "unionmount" ]
1479 if [ "${cow_fstype}" = "nfs" ]
1482 "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
1483 nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
1484 panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
1486 mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
1487 panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
1491 rofscount=$(echo ${rofslist} |wc -w)
1493 if [ ${rofscount} -ne 1 ]
1495 panic "only one RO file system supported with exposedroot: ${rofslist}"
1499 if [ -n "${EXPOSED_ROOT}" ]
1501 mount --bind ${rofs} ${rootmnt} || \
1502 panic "bind mount of ${rofs} failed"
1504 if [ -z "${SKIP_UNION_MOUNTS}" ]
1506 cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
1514 if [ "${cow_fstype}" != "tmpfs" ] && [ "${cow_dirs}" != "/" ] && [ "${UNIONTYPE}" = "unionmount" ]
1516 true # FIXME: Maybe it does, I don't really know.
1517 #panic "unionmount does not support subunions (${cow_dirs})."
1523 for dir in ${cow_dirs}; do
1526 unionmountpoint="${rootmnt}${dir}"
1527 unionrw="/cow${dir}"
1528 unionro="${rofs}${dir}"
1529 # We don't handle spaces and other junk gracefully here, hopefully not needed.
1530 case "${UNIONTYPE}" in
1532 unionmountopts="-o cow -o noinitgroups -o default_permissions -o allow_other -o use_ino -o suid"
1533 unionmountopts="${unionmountopts} ${unionrw}=RW:${unionro}=RO"
1534 ( sysctl -w fs.file-max=391524 ; ulimit -HSn 16384
1535 unionfs-fuse ${unionmountopts} "${unionmountpoint}" ) && \
1536 ( mkdir -p /run/sendsigs.omit.d
1537 pidof unionfs-fuse >> /run/sendsigs.omit.d/unionfs-fuse || true )
1541 unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
1542 mount_full $unionmountopts "${unionmountpoint}"
1547 unionmountopts="-o noatime,${noxino_opt}dirs=${unionrw}=rw:${unionro}=${roopt}"
1548 mount -t ${UNIONTYPE} ${unionmountopts} ${UNIONTYPE} "${unionmountpoint}"
1551 panic "mount ${UNIONTYPE} on ${unionmountpoint} failed with option ${unionmountopts}"
1554 # Correct the permissions of /:
1555 chmod 0755 "${rootmnt}"
1557 # tmpfs file systems
1559 mkdir -p "${rootmnt}/live"
1560 mount -t tmpfs tmpfs ${rootmnt}/live
1562 # Adding other custom mounts
1563 if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
1565 # directly mount /home
1566 # FIXME: add a custom mounts configurable system
1568 if [ -b "${homecow}" ]
1570 mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
1571 export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
1573 log_warning_msg "Unable to find the persistent home medium"
1576 # Look for other snapshots to copy in
1577 try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
1578 # This second type should be removed when snapshot grow smarter
1579 try_snap "${home_snapdata}" "${rootmnt}" "HOME" "/home"
1582 if [ -n "${SHOWMOUNTS}" ]
1584 for d in ${rofslist}
1586 mkdir -p "${rootmnt}/live/${d##*/}"
1590 # do nothing # mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1594 case "${UNIONTYPE}" in
1596 mount -o bind "${d}" "${rootmnt}/live/${d##*/}"
1600 mount -o move "${d}" "${rootmnt}/live/${d##*/}"
1608 # shows cow fs on /cow for use by live-snapshot
1609 mkdir -p "${rootmnt}/live/cow"
1610 mount -o move /cow "${rootmnt}/live/cow" >/dev/null 2>&1 || mount -o bind /cow "${rootmnt}/live/cow" || log_warning_msg "Unable to move or bind /cow to ${rootmnt}/live/cow"
1617 skip_uuid_check="${3}"
1619 # support for fromiso=.../isofrom=....
1620 if [ -n "$FROMISO" ]
1622 ISO_DEVICE=$(dirname $FROMISO)
1623 if ! [ -b $ISO_DEVICE ]
1625 # to support unusual device names like /dev/cciss/c0d0p1
1626 # as well we have to identify the block device name, let's
1627 # do that for up to 15 levels
1629 while [ -n "$ISO_DEVICE" ] && [ "$i" -gt 0 ]
1631 ISO_DEVICE=$(dirname ${ISO_DEVICE})
1632 [ -b "$ISO_DEVICE" ] && break
1637 if [ "$ISO_DEVICE" = "/" ]
1639 echo "Warning: device for bootoption isofrom= ($FROMISO) not found.">>/live-boot.log
1641 fs_type=$(get_fstype "${ISO_DEVICE}")
1642 if is_supported_fs ${fs_type}
1645 mount -t $fs_type "$ISO_DEVICE" /isofrom
1646 ISO_NAME="$(echo $FROMISO | sed "s|$ISO_DEVICE||")"
1647 loopdevname=$(setup_loop "/isofrom/${ISO_NAME}" "loop" "/sys/block/loop*" "" '')
1648 devname="${loopdevname}"
1650 echo "Warning: unable to mount $ISO_DEVICE." >>/live-boot.log
1655 if [ -z "${devname}" ]
1657 devname=$(sys2dev "${sysdev}")
1660 if [ -d "${devname}" ]
1662 mount -o bind "${devname}" $mountpoint || continue
1664 if is_live_path $mountpoint
1674 for device in ${devname}
1678 # Adding lvm support
1679 if [ -x /scripts/local-top/lvm2 ]
1681 ROOT="$device" resume="" /scripts/local-top/lvm2
1686 # Adding raid support
1687 if [ -x /scripts/local-top/mdadm ]
1689 cp /conf/conf.d/md /conf/conf.d/md.orig
1690 echo "MD_DEVS=$device " >> /conf/conf.d/md
1691 /scripts/local-top/mdadm
1692 mv /conf/conf.d/md.orig /conf/conf.d/md
1699 [ -n "$device" ] && devname="$device"
1701 [ -e "$devname" ] || continue
1703 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1705 loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
1706 devname="${loopdevname}"
1709 fstype=$(get_fstype "${devname}")
1711 if is_supported_fs ${fstype}
1713 devuid=$(blkid -o value -s UUID "$devname")
1714 [ -n "$devuid" ] && grep -qs "\<$devuid\>" $tried && continue
1715 mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
1716 [ -n "$devuid" ] && echo "$devuid" >> $tried
1718 if is_live_path ${mountpoint} && \
1719 ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
1724 umount ${mountpoint} 2>/dev/null
1728 if [ -n "${LIVE_MEDIA_OFFSET}" ]
1730 losetup -d "${loopdevname}"
1740 # don't start autodetection before timeout has expired
1741 if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
1743 if [ "${timeout}" -lt "${LIVE_MEDIA_TIMEOUT}" ]
1749 # first look at the one specified in the command line
1750 case "${LIVE_MEDIA}" in
1752 for sysblock in $(removable_usb_dev "sys")
1754 for dev in $(subdevices "${sysblock}")
1756 if check_dev "${dev}"
1766 for sysblock in $(removable_dev "sys")
1768 for dev in $(subdevices "${sysblock}")
1770 if check_dev "${dev}"
1780 if [ ! -z "${LIVE_MEDIA}" ]
1782 if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
1790 # or do the scan of block devices
1791 # prefer removable devices over non-removable devices, so scan them first
1792 devices_to_scan="$(removable_dev 'sys') $(non_removable_dev 'sys')"
1794 for sysblock in $devices_to_scan
1796 devname=$(sys2dev "${sysblock}")
1797 [ -e "$devname" ] || continue
1798 fstype=$(get_fstype "${devname}")
1800 if /lib/udev/cdrom_id ${devname} > /dev/null
1802 if check_dev "null" "${devname}"
1806 elif is_nice_device "${sysblock}"
1808 for dev in $(subdevices "${sysblock}")
1810 if check_dev "${dev}"
1815 elif [ "${fstype}" = "squashfs" -o \
1816 "${fstype}" = "btrfs" -o \
1817 "${fstype}" = "ext2" -o \
1818 "${fstype}" = "ext3" -o \
1819 "${fstype}" = "ext4" -o \
1820 "${fstype}" = "jffs2" ]
1822 # This is an ugly hack situation, the block device has
1823 # an image directly on it. It's hopefully
1824 # live-boot, so take it and run with it.
1825 ln -s "${devname}" "${devname}.${fstype}"
1826 echo "${devname}.${fstype}"
1836 media_mountpoint="${1}"
1838 log_begin_msg "Checking media integrity"
1840 cd ${media_mountpoint}
1841 /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
1846 if [ "${RC}" -eq 0 ]
1848 log_success_msg "Everything ok, will reboot in 10 seconds."
1851 umount ${media_mountpoint}
1853 echo u > /proc/sysrq-trigger
1854 echo b > /proc/sysrq-trigger
1856 panic "Not ok, a media defect is likely, switch to VT8 for details."
1862 if [ -x /scripts/local-top/cryptroot ]; then
1863 /scripts/local-top/cryptroot
1868 exec > live-boot.log
1870 tail -f live-boot.log >&7 &
1873 # Ensure 'panic' function is overridden
1874 . /scripts/live-functions
1878 maybe_break live-premount
1879 log_begin_msg "Running /scripts/live-premount"
1880 run_scripts /scripts/live-premount
1883 # Needed here too because some things (*cough* udev *cough*)
1884 # changes the timeout
1886 if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
1890 livefs_root="${mountpoint}"
1892 panic "Unable to find a live file system on the network"
1895 if [ -n "${ISCSI_PORTAL}" ]
1897 do_iscsi && livefs_root="${mountpoint}"
1898 elif [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
1900 # Do a local boot from hd
1903 if [ -x /usr/bin/memdiskfind ]
1905 MEMDISK=$(/usr/bin/memdiskfind)
1909 # We found a memdisk, set up phram
1910 modprobe phram phram=memdisk,${MEMDISK}
1912 # Load mtdblock, the memdisk will be /dev/mtdblock0
1917 # Scan local devices for the image
1919 while [ "$i" -lt 60 ]
1921 livefs_root=$(find_livefs ${i})
1923 if [ -n "${livefs_root}" ]
1934 if [ -z "${livefs_root}" ]
1936 panic "Unable to find a medium containing a live file system"
1939 if [ "${INTEGRITY_CHECK}" ]
1941 integrity_check "${livefs_root}"
1947 elif [ "${TODISK}" ]
1949 live_dest="${TODISK}"
1952 if [ "${live_dest}" ]
1954 log_begin_msg "Copying live media to ${live_dest}"
1955 copy_live_to "${livefs_root}" "${live_dest}"
1959 # if we do not unmount the ISO we can't run "fsck /dev/ice" later on
1960 # because the mountpoint is left behind in /proc/mounts, so let's get
1961 # rid of it when running from RAM
1962 if [ -n "$FROMISO" ] && [ "${TORAM}" ]
1964 losetup -d /dev/loop0
1965 grep -q /isofrom /proc/mounts && umount /isofrom
1968 if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
1970 setup_unionfs "${livefs_root}" "${rootmnt}"
1973 mac="$(echo ${mac} | sed 's/-//g')"
1974 mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
1978 if [ -n "${ROOT_PID}" ] ; then
1979 echo "${ROOT_PID}" > "${rootmnt}"/live/root.pid
1984 # unionfs-fuse needs /dev to be bind-mounted for the duration of
1985 # live-bottom; udev's init script will take care of things after that
1986 if [ "${UNIONTYPE}" = unionfs-fuse ]
1988 mount -n -o bind /dev "${rootmnt}/dev"
1991 # Move to the new root filesystem so that programs there can get at it.
1992 if [ ! -d /root/live/image ]
1994 mkdir -p /root/live/image
1995 mount --move /live/image /root/live/image
1998 # aufs2 in kernel versions around 2.6.33 has a regression:
1999 # directories can't be accessed when read for the first the time,
2000 # causing a failure for example when accessing /var/lib/fai
2001 # when booting FAI, this simple workaround solves it
2002 ls /root/* >/dev/null 2>&1
2004 # copy snapshot configuration if exists
2005 if [ -f snapshot.conf ]
2007 log_begin_msg "Copying snapshot.conf to ${rootmnt}/etc/live/boot.d"
2008 if [ ! -d "${rootmnt}/etc/live/boot.d" ]
2010 mkdir -p "${rootmnt}/etc/live/boot.d"
2012 cp snapshot.conf "${rootmnt}/etc/live/boot.d/"
2016 if [ -f /etc/resolv.conf ] && [ ! -s ${rootmnt}/etc/resolv.conf ]
2018 log_begin_msg "Copying /etc/resolv.conf to ${rootmnt}/etc/resolv.conf"
2019 cp -v /etc/resolv.conf ${rootmnt}/etc/resolv.conf
2023 maybe_break live-bottom
2024 log_begin_msg "Running /scripts/live-bottom\n"
2026 run_scripts /scripts/live-bottom
2029 if [ "${UNIONFS}" = unionfs-fuse ]
2031 umount "${rootmnt}/dev"
2037 [ -w "${rootmnt}/var/log/" ] && cp live-boot.log "${rootmnt}/var/log/" 2>/dev/null