scripts/casper

   1 #!/bin/sh
   2
   3 # set -e
   4
   5 export PATH=/root/usr/bin:/root/usr/sbin:/root/bin:/root/sbin:/usr/bin:/usr/sbin:/bin:/sbin
   6
   7 mountpoint=/live_media
   8
   9 root_persistence="casper-rw"
  10 home_persistence="home-rw"
  11 root_snapshot_label="casper-sn"
  12 home_snapshot_label="home-sn"
  13
  14 USERNAME="casper"
  15 USERFULLNAME="Live session user"
  16 HOSTNAME="live"
  17 BUILD_SYSTEM="Custom"
  18
  19 mkdir -p $mountpoint
  20
  21 [ -f /etc/casper.conf ] && . /etc/casper.conf
  22 export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
  23
  24 . /scripts/casper-helpers
  25
  26 if [ ! -f /casper.vars ]; then
  27     touch /casper.vars
  28 fi
  29
  30 parse_cmdline ()
  31 {
  32     PRESEEDS=
  33     # looking for casper specifics options as kernel parameters
  34     for x in $(cat /proc/cmdline); do
  35         case $x in
  36             userfullname=*)
  37                 export USERFULLNAME=${x#userfullname=}
  38                 export CASPERCONF="changed"
  39                 ;;
  40             hostname=*)
  41                 export HOSTNAME=${x#hostname=}
  42                 export CASPERCONF="changed"
  43                 ;;
  44             username=*)
  45                 export USERNAME=${x#username=}
  46                 export CASPERCONF="changed"
  47                 ;;
  48             netboot*)
  49                 export NETBOOT=${x#netboot=} ;;
  50             access=*)
  51                 export ACCESS=${x#access=} ;;
  52             xdebconf)
  53                 export XDEBCONF="Yes" ;;
  54             toram)
  55                 export TORAM="Yes" ;;
  56             todisk=*)
  57                 export TODISK=${x#todisk=} ;;
  58             showmounts)
  59                 export SHOWMOUNTS="Yes" ;;
  60             persistent)
  61                 export PERSISTENT="Yes" ;;
  62             nopersistent)
  63                 export PERSISTENT="" ;;
  64             ip*)
  65                 STATICIP=${x#ip=}
  66                 if [ "${STATICIP}" == "" ]; then
  67                     STATICIP="frommedia"
  68                 fi
  69                 export STATICIP ;;
  70             casper-getty)
  71                 export CASPERGETTY=1 ;;
  72             bootfrom=*|live-media=*)
  73                 export LIVEMEDIA=${x#*=} ;;
  74             live-media-timeout=*)
  75                 export LIVEMEDIA_TIMEOUT=${x#live-media-timeout=} ;;
  76             live-media-offset=*)
  77                 export LIVEMEDIA_OFFSET=${x#live-media-offset=} ;;
  78             locale=*|debian-installer/locale=*)
  79                 export LOCALE=${x#*=} ;;
  80             keyb=*|kbd-chooser/method=*)
  81                 export KBD=${x#*=} ;;
  82             klayout=*|console-setup/layoutcode=*)
  83                 export KLAYOUT=${x#*=} ;;
  84             koptions=*)
  85                 export KOPTIONS=${x#koptions=} ;;
  86             kvariant=*|console-setup/variantcode=*)
  87                 export KVARIANT=${x#*=} ;;
  88             kmodel=*|console-setup/modelcode=*)
  89                 export KMODEL=${x#*=} ;;
  90             module=*)
  91                 export MODULE=${x#module=} ;;
  92             preseed/file=*|file=*)
  93                 export LOCATION="${x#*=}" ;;
  94             */*=*)
  95                 question="${x%%=*}"
  96                 value="${x#*=}"
  97                 PRESEEDS="${PRESEEDS}\"${question}=${value}\" "
  98                 ;;
  99             console=*)
 100                 export DEFCONSOLE="${x#*=}" ;;
 101         esac
 102     done
 103
 104     # sort of compatibility with netboot.h from linux docs
 105     if [ -z "${NETBOOT}" ]; then
 106         if [ "${ROOT}" == "/dev/nfs" ]; then
 107             NETBOOT="nfs"
 108             export NETBOOT
 109         elif [ "${ROOT}" == "/dev/cifs" ]; then
 110             NETBOOT="cifs"
 111             export NETBOOT
 112         fi
 113     fi
 114
 115     if [ -z "${MODULE}" ]; then
 116         MODULE=order
 117     fi
 118 }
 119
 120 is_casper_path() {
 121     path=$1
 122     if [ -d "$path/casper" ]; then
 123         if [ "$(echo $path/casper/*.squashfs)" != "$path/casper/*.squashfs" ] ||
 124             [ "$(echo $path/casper/*.ext2)" != "$path/casper/*.ext2" ] ||
 125             [ "$(echo $path/casper/*.dir)" != "$path/casper/*.dir" ]; then
 126             return 0
 127         fi
 128     fi
 129     return 1
 130 }
 131
 132 get_backing_device() {
 133     case "$1" in
 134         *.squashfs|*.ext2)
 135             echo $(setup_loop "$1" "loop" "/sys/block/loop*")
 136             ;;
 137         *.dir)
 138             echo "directory"
 139             ;;
 140         *)
 141             panic "Unrecognized casper filesystem: $1"
 142             ;;
 143     esac
 144 }
 145
 146 match_files_in_dir() {
 147     # Does any files match pattern $1 ?
 148
 149     local pattern="$1"
 150     if [ "$(echo $pattern)" != "$pattern" ]; then
 151         return 0
 152     fi
 153     return 1
 154 }
 155
 156 mount_images_in_directory() {
 157     directory="$1"
 158     rootmnt="$2"
 159     if match_files_in_dir "$directory/casper/*.squashfs" ||
 160         match_files_in_dir "$directory/casper/*.ext2" ||
 161         match_files_in_dir "$directory/casper/*.dir"; then
 162         setup_unionfs "$directory/casper" "$rootmnt"
 163     else
 164         :
 165     fi
 166 }
 167
 168 is_nice_device() {
 169     sysfs_path="${1#/sys}"
 170     if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"; then
 171         return 0
 172     fi
 173     return 1
 174 }
 175
 176 is_supported_fs () {
 177     # FIXME: do something better like the scan of supported filesystems
 178     fstype="${1}"
 179     case ${fstype} in
 180         vfat|iso9660|udf|ext2|ext3|ntfs)
 181             return 0
 182             ;;
 183     esac
 184     return 1
 185 }
 186
 187 copy_live_to() {
 188     copyfrom="${1}"
 189     copytodev="${2}"
 190     copyto="${copyfrom}_swap"
 191
 192     size=$(fs_size "" ${copyfrom} "used")
 193
 194     if [ "${copytodev}" = "ram" ]; then
 195         # copying to ram:
 196         freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
 197         mount_options="-o size=${size}k"
 198         free_string="memory"
 199         fstype="tmpfs"
 200         dev="/dev/shm"
 201     else
 202         # it should be a writable block device
 203         if [ -b "${copytodev}" ]; then
 204             dev="${copytodev}"
 205             free_string="space"
 206             fstype=$(get_fstype "${dev}")
 207             freespace=$(fs_size "${dev}")
 208         else
 209             [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
 210             return 1
 211         fi
 212     fi
 213     if [ "${freespace}" -lt "${size}" ] ; then
 214         [ "$quiet" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k > ${size}k) to copy live media in ${copytodev}."
 215         return 1
 216     fi
 217
 218     # begin copying..
 219     mkdir "${copyto}"
 220     echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
 221     mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
 222     cp -a ${copyfrom}/* ${copyto} # "cp -a" from busybox also copies hidden files
 223     umount ${copyfrom}
 224     mount -r -o move ${copyto} ${copyfrom}
 225     rmdir ${copyto}
 226     return 0
 227 }
 228
 229 do_netmount() {
 230     rc=1
 231
 232     modprobe "${MP_QUIET}" af_packet # For DHCP
 233
 234     ipconfig ${DEVICE} /tmp/net-${DEVICE}.conf | tee /netboot.config
 235
 236     if [ "${NFSROOT}" = "auto" ]; then
 237         NFSROOT=${ROOTSERVER}:${ROOTPATH}
 238     fi
 239
 240     [ "$quiet" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
 241
 242     if [ "${NETBOOT}" != "nfs" ] && do_cifsmount ; then
 243         rc=0
 244     elif do_nfsmount ; then
 245         NETBOOT="nfs"
 246         export NETBOOT
 247         rc=0
 248     fi
 249
 250     [ "$quiet" != "y" ] && log_end_msg
 251     return ${rc}
 252 }
 253
 254 do_nfsmount() {
 255     rc=1
 256     modprobe "${MP_QUIET}" nfs
 257     if [ -z "${NFSOPTS}" ]; then
 258         NFSOPTS=""
 259     fi
 260
 261     [ "$quiet" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
 262     # FIXME: This for loop is an ugly HACK round an nfs bug
 263     for i in 0 1 2 3 4 5 6 7 8 9 a b c d e f 10 11 12 13; do
 264         nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
 265         sleep 1
 266     done
 267     return ${rc}
 268 }
 269
 270 do_cifsmount() {
 271     rc=1
 272     if [ -x "/sbin/mount.cifs" ]; then
 273         if [ -z "${NFSOPTS}" ]; then
 274             CIFSOPTS="-ouser=root,password="
 275         else
 276             CIFSOPTS="${NFSOPTS}"
 277         fi
 278
 279         [ "$quiet" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
 280         modprobe "${MP_QUIET}" cifs
 281
 282         if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}" ; then
 283             rc=0
 284         fi
 285     fi
 286     return ${rc}
 287 }
 288
 289 do_snap_copy ()
 290 {
 291     fromdev="${1}"
 292     todir="${2}"
 293     snap_type="${3}"
 294
 295     size=$(fs_size "${fromdev}" "" "used")
 296
 297     if [ -b "${fromdev}" ]; then
 298         # look for free mem
 299         if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]; then
 300             todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
 301             freespace=$(df -k  | grep -s ${todev} | awk '{print $4}')
 302         else
 303             freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
 304         fi
 305
 306         tomount="/mnt/tmpsnap"
 307         if [ ! -d "${tomount}" ] ; then
 308             mkdir -p "${tomount}"
 309         fi
 310
 311         fstype=$(get_fstype "${fromdev}")
 312         if [ -n "${fstype}" ]; then
 313             # Copying stuff...
 314             mount -t "${fstype}" -o ro "${fromdev}" "${tomount}"
 315             cp -a "${tomount}"/* ${todir}
 316             umount "${tomount}"
 317         else
 318             log_warning_msg "Unrecognized fstype: ${fstype} on ${fromdev}:${snap_type}"
 319         fi
 320
 321         rmdir "${tomount}"
 322         if echo ${fromdev} | grep -qs loop; then
 323            losetup -d "${fromdev}"
 324         fi
 325         return 0
 326     else
 327         return 1
 328         [ "$quiet" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
 329     fi
 330 }
 331
 332 try_snap ()
 333 {
 334     # Look for $snap_label.* in block devices and copy the contents to $snap_mount
 335     #   and remember the device and filename for resync on exit in casper.init
 336
 337     snap_label="${1}"
 338     snap_mount="${2}"
 339     snap_type="${3}"
 340
 341     snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2")
 342     if [ ! -z "${snapdata}" ]; then
 343         snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
 344         snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
 345         snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
 346         if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\)'; then
 347             # squashfs or ext2 snapshot
 348             dev=$(get_backing_device "${snapback}/${snapfile}")
 349             if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"; then
 350                  log_warning_msg "Impossible to include the ${snapfile} Snapshot"
 351                  return 1
 352             fi
 353         else
 354             # cpio.gz snapshot
 355             if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio -i -u -d 2>/dev/null) ; then
 356                 log_warning_msg "Impossible to include the ${snapfile} Snapshot"
 357                 return 1
 358             fi
 359         fi
 360         umount "${snapback}"
 361     else
 362         dev=$(find_cow_device "${snap_label}")
 363         if [ -b ${dev} ]; then
 364             if echo "${dev}" | grep -qs loop; then
 365                 # strange things happens, user confused?
 366                 snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
 367                 snapfile=$(basename ${snaploop})
 368                 snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
 369             else
 370                 snapdev="${dev}"
 371             fi
 372             if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}" ; then
 373                 log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 374                 return 1
 375             else
 376                 if [ -n "${snapfile}" ]; then
 377                      # it was a loop device, user confused
 378                      umount ${snapdev}
 379                 fi
 380             fi
 381         else
 382             log_warning_msg "Impossible to include the ${snap_label} Snapshot"
 383             return 1
 384         fi
 385     fi
 386     echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/casper.conf # for resync on reboot/halt
 387     return 0
 388 }
 389
 390 setup_unionfs() {
 391     image_directory="$1"
 392     rootmnt="$2"
 393
 394     modprobe "${MP_QUIET}" -b unionfs
 395
 396     # run-init can't deal with images in a subdir, but we're going to
 397     # move all of these away before it runs anyway.  No, we're not,
 398     # put them in / since move-mounting them into / breaks mono and
 399     # some other apps.
 400
 401     croot="/"
 402
 403     # Let's just mount the read-only file systems first
 404     rofsstring=""
 405     rofslist=""
 406     if [ "${NETBOOT}" = "nfs" ] ; then
 407         roopt="nfsro" # go aroung a bug in nfs-unionfs locking
 408     else
 409         roopt="ro"
 410     fi
 411
 412     # Read image names from ${MODULE}.lst if it exists
 413     if [ -e "${image_directory}/${MODULE}.lst" ]; then
 414         for image in $(cat "${image_directory}/${MODULE}.lst"); do
 415             image_string="${image_string} ${image_directory}/${image}";
 416         done
 417     else
 418         # If ${MODULE}.lst does not exist, create a list of images
 419         for image_type in "ext2" "squashfs" "dir"; do
 420             for image in "${image_directory}"/*."${image_type}"; do
 421                 if [ -e "${image}" ]; then
 422                     image_string="${image_string} ${image}";
 423                 fi
 424             done
 425         done
 426         # Now sort the list
 427         image_string=$(echo ${image_string} | sed -e 's/ /\n/g' | sort )
 428     fi
 429
 430     mkdir -p "${croot}"
 431     for image in ${image_string}; do
 432         imagename=$(basename "${image}")
 433         if [ -d "${image}" ]; then
 434             # it is a plain directory: do nothing
 435             rofsstring="${image}=${roopt}:${rofsstring}"
 436             rofslist="${image} ${rofslist}"
 437         elif [ -f "${image}" ]; then
 438             backdev=$(get_backing_device "$image")
 439             fstype=$(get_fstype "${backdev}")
 440             if [ "${fstype}" = "unknown" ]; then
 441                 panic "Unknown file system type on ${backdev} (${image})"
 442             fi
 443             mkdir -p "${croot}/${imagename}"
 444             mount -t "${fstype}" -o ro "${backdev}" "${croot}/${imagename}" || panic "Can not mount $backdev ($image) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
 445         fi
 446     done
 447
 448     rofsstring=${rofsstring%:}
 449
 450     mkdir -p /cow
 451
 452     cowdevice="tmpfs"
 453     cow_fstype="tmpfs"
 454
 455     # Looking for "${root_persistence}" device or file
 456     if [ -n "${PERSISTENT}" ]; then
 457         cowprobe=$(find_cow_device "${root_persistence}")
 458         if [ -b "${cowprobe}" ]; then
 459             cowdevice=${cowprobe}
 460             cow_fstype=$(get_fstype "${cowprobe}")
 461         else
 462             [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent medium"
 463         fi
 464     fi
 465
 466     mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not mount $cowdevice on /cow"
 467
 468     mount -t unionfs -o dirs=/cow=rw:$rofsstring unionfs "$rootmnt" || panic "Unionfs mount failed"
 469
 470     # Adding other custom mounts
 471     if [ -n "${PERSISTENT}" ]; then
 472         # directly mount /home
 473         # FIXME: add a custom mounts configurable system
 474         homecow=$(find_cow_device "${home_persistence}" )
 475         if [ -b "${homecow}" ]; then
 476             mount -t $(get_fstype "${homecow}") -o rw "${homecow}" "${rootmnt}/home"
 477             export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
 478         else
 479             [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
 480         fi
 481         # Look for other snapshots to copy in
 482         try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
 483         try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
 484     fi
 485
 486     if [ -n "${SHOWMOUNTS}" ]; then
 487         for d in ${rofslist}; do
 488             mkdir -p "${rootmnt}/casper/${d##*/}"
 489             case d in
 490                 *.dir) # do nothing # mount -o bind "${d}" "${rootmnt}/casper/${d##*/}"
 491                     ;;
 492                 *) mount -o move "${d}" "${rootmnt}/casper/${d##*/}"
 493                     ;;
 494             esac
 495         done
 496     fi
 497
 498     # shows cow fs on /cow for use by casper-snapshot
 499     mkdir -p "${rootmnt}/cow"
 500     mount -o bind /cow "${rootmnt}/cow"
 501 }
 502
 503 check_dev ()
 504 {
 505     sysdev="${1}"
 506     devname="${2}"
 507     if [ -z "${devname}" ]; then
 508         devname=$(sys2dev "${sysdev}")
 509     fi
 510
 511     if [ -n "${LIVEMEDIA_OFFSET}" ]; then
 512         loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVEMEDIA_OFFSET}")
 513         devname="${loopdevname}"
 514     fi
 515
 516     fstype=$(get_fstype "${devname}")
 517     if is_supported_fs ${fstype}; then
 518         mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
 519         if is_casper_path $mountpoint; then
 520             echo $mountpoint
 521             return 0
 522         else
 523             umount $mountpoint
 524         fi
 525     fi
 526
 527     if [ -n "${LIVEMEDIA_OFFSET}" ]; then
 528         losetup -d "${loopdevname}"
 529     fi
 530     return 1
 531 }
 532
 533 find_livefs() {
 534     timeout="${1}"
 535     # first look at the one specified in the command line
 536     if [ ! -z "${LIVEMEDIA}" ]; then
 537         if check_dev "null" "${LIVEMEDIA}"; then
 538             return 0
 539         fi
 540     fi
 541     # don't start autodetection before timeout has expired
 542     if [ -n "${LIVEMEDIA_TIMEOUT}" ]; then
 543         if [ "${timeout}" -lt "${LIVEMEDIA_TIMEOUT}" ]; then
 544             return 1
 545         fi
 546     fi
 547     # or do the scan of block devices
 548     for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram); do
 549         devname=$(sys2dev "${sysblock}")
 550         fstype=$(get_fstype "${devname}")
 551         if /lib/udev/cdrom_id ${devname} > /dev/null; then
 552             if check_dev "null" "${devname}" ; then
 553                 return 0
 554             fi
 555         elif is_nice_device "${sysblock}" ; then
 556             for dev in $(subdevices "${sysblock}"); do
 557                 if check_dev "${dev}" ; then
 558                     return 0
 559                 fi
 560             done
 561         elif [ "${fstype}" = "squashfs" -o \
 562                 "${fstype}" = "ext3" -o \
 563                 "${fstype}" = "ext2" ]; then
 564             # This is an ugly hack situation, the block device has
 565             # an image directly on it.  It's hopefully
 566             # casper, so take it and run with it.
 567             ln -s "${devname}" "${devname}.${fstype}"
 568             echo "${devname}.${fstype}"
 569             return 0
 570         fi
 571     done
 572     return 1
 573 }
 574
 575 pulsate() {
 576     if [ -x /sbin/usplash_write ]; then
 577         /sbin/usplash_write "PULSATE"
 578     fi
 579 }
 580
 581 set_usplash_timeout() {
 582     if [ -x /sbin/usplash_write ]; then
 583         /sbin/usplash_write "TIMEOUT 120"
 584     fi
 585 }
 586
 587 mountroot() {
 588     exec 6>&1
 589     exec 7>&2
 590     exec > casper.log
 591     exec 2>&1
 592
 593     parse_cmdline
 594
 595     set_usplash_timeout
 596     [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-premount"
 597     pulsate
 598     run_scripts /scripts/casper-premount
 599     [ "$quiet" != "y" ] && log_end_msg
 600
 601     # Needed here too because some things (*cough* udev *cough*)
 602     # changes the timeout
 603
 604     set_usplash_timeout
 605
 606     if [ ! -z "${NETBOOT}" ]; then
 607         if do_netmount ; then
 608             livefs_root="${mountpoint}"
 609         else
 610             panic "Unable to find a the network rootfs live file system"
 611         fi
 612     else
 613         # Scan local devices for the image
 614         for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19; do
 615             livefs_root=$(find_livefs $i)
 616             if [ -n "${livefs_root}" ]; then
 617                 break
 618             fi
 619             sleep 1
 620         done
 621     fi
 622
 623     if [ -z "${livefs_root}" ]; then
 624         panic "Unable to find a medium containing a live file system"
 625     fi
 626
 627     if [ "${TORAM}" ]; then
 628         live_dest="ram"
 629     elif [ "${TODISK}" ]; then
 630         live_dest="${TODISK}"
 631     fi
 632     if [ "${live_dest}" ]; then
 633         log_begin_msg "Copying live_media to ${live_dest}"
 634         copy_live_to "${livefs_root}" "${live_dest}"
 635         log_end_msg
 636     fi
 637
 638     mount_images_in_directory "${livefs_root}" "${rootmnt}"
 639
 640     log_end_msg
 641
 642     maybe_break casper-bottom
 643     [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/casper-bottom"
 644
 645     pulsate
 646     run_scripts /scripts/casper-bottom
 647     [ "$quiet" != "y" ] && log_end_msg
 648
 649     exec 1>&6 6>&-
 650     exec 2>&7 7>&-
 651     cp casper.log "${rootmnt}/var/log/"
 652 }