Adding upstream version 1.157.3.
[live-boot-grml.git] / scripts / live
index 7a0a78e..db1d355 100755 (executable)
@@ -18,12 +18,22 @@ home_snapshot_label="home-sn"
 USERNAME="user"
 USERFULLNAME="Live user"
 HOSTNAME="host"
-BUILD_SYSTEM="Custom"
 
 mkdir -p "${mountpoint}"
 
+# Create /etc/mtab for debug purpose and future syncs
+if [ ! -d /etc ]
+then
+       mkdir /etc/
+fi
+
+if [ ! -f /etc/mtab ]
+then
+       touch /etc/mtab
+fi
+
 [ -f /etc/live.conf ] && . /etc/live.conf
-export USERNAME USERFULLNAME HOSTNAME BUILD_SYSTEM
+export USERNAME USERFULLNAME HOSTNAME
 
 . /scripts/live-helpers
 
@@ -36,7 +46,7 @@ Arguments ()
 {
        PRESEEDS=""
 
-       for ARGUMENT in `cat /proc/cmdline`
+       for ARGUMENT in $(cat /proc/cmdline)
        do
                case "${ARGUMENT}" in
                        access=*)
@@ -46,7 +56,7 @@ Arguments ()
 
                        console=*)
                                DEFCONSOLE="${ARGUMENT#*=}"
-                               export DEFCONFSOLE
+                               export DEFCONSOLE
                                ;;
 
                        debug)
@@ -61,6 +71,21 @@ Arguments ()
                                 export FETCH
                                 ;;
 
+                       hook=*)
+                               HOOK="${ARGUMENT#hook=}"
+                               export HOOK
+                               ;;
+
+                       ftpfs=*)
+                               FTPFS="${ARGUMENT#ftpfs=}"
+                               export FTPFS
+                               ;;
+
+                       httpfs=*)
+                               HTTPFS="${ARGUMENT#httpfs=}"
+                               export HTTPFS
+                               ;;
+
                        hostname=*)
                                HOSTNAME="${ARGUMENT#hostname=}"
                                LIVECONF="changed"
@@ -79,6 +104,16 @@ Arguments ()
                                export USERFULLNAME LIVECONF
                                ;;
 
+                       ignore_uuid)
+                               IGNORE_UUID="Yes"
+                               export IGNORE_UUID
+                               ;;
+
+                       integrity-check)
+                               INTEGRITY_CHECK="Yes"
+                               export INTEGRITY_CHECK
+                               ;;
+
                        ip=*)
                                STATICIP="${ARGUMENT#ip=}"
 
@@ -145,6 +180,12 @@ Arguments ()
                                export LIVE_MEDIA_TIMEOUT
                                ;;
 
+                       language=*|debian-installer/language=*)
+                               language=${x#debian-installer/language=}
+                               locale="$(lang2locale "$language")"
+                               set_locale="true"
+                               ;;
+
                        locale=*|debian-installer/locale=*)
                                LOCALE="${ARGUMENT#*=}"
                                export LOCALE
@@ -165,11 +206,21 @@ Arguments ()
                                export NFSOPTS
                                ;;
 
+                       nfscow=*)
+                               NFS_COW="${ARGUMENT#nfscow=}"
+                               export NFS_COW
+                               ;;
+
                        noaccessibility)
                                NOACCESSIBILITY="Yes"
                                export NOACCESSIBILITY
                                ;;
 
+                       noapparmor)
+                               NOAPPARMOR="Yes"
+                               export NOAPPARMOR
+                               ;;
+
                        noaptcdrom)
                                NOAPTCDROM="Yes"
                                export NOAPTCDROM
@@ -215,11 +266,6 @@ Arguments ()
                                export NOKPERSONALIZER
                                ;;
 
-                       nokwallet)
-                               NOKWALLET="Yes"
-                               export NOKWALLET
-                               ;;
-
                        nolanguageselector)
                                NOLANGUAGESELECTOR="Yes"
                                export NOLANGUAGESELECTOR
@@ -245,9 +291,9 @@ Arguments ()
                                export NOPROGRAMCRASHES
                                ;;
 
-                       norestrictedmanager)
-                               NORESTRICTEDMANAGER="Yes"
-                               export NORESTRICTEDMANAGER
+                       nojockey)
+                               NOJOCKEY="Yes"
+                               export NOJOCKEY
                                ;;
 
                        nosudo)
@@ -255,9 +301,9 @@ Arguments ()
                                export NOSUDO
                                ;;
 
-                       noswap)
-                               NOSWAP="Yes"
-                               export NOSWAP
+                       swapon)
+                               SWAPON="Yes"
+                               export SWAPON
                                ;;
 
                        noupdatenotifier)
@@ -285,6 +331,27 @@ Arguments ()
                                export PERSISTENT
                                ;;
 
+                       persistent=*)
+                               PERSISTENT="${ARGUMENT#persistent=}"
+                               if [ -z "${PERSISTENT}" ]
+                               then
+                                       PERSISTENT="Yes"
+                               fi
+                               export PERSISTENT
+                               ;;
+
+                       persistent-path=*)
+                               PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
+                               export PERSISTENT_PATH
+                               ;;
+
+                       persistent-subtext=*)
+                               root_persistence="${root_persistence}-${ARGUMENT#persistent-subtext=}"
+                               home_persistence="${home_persistence}-${ARGUMENT#persistent-subtext=}"
+                               root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
+                               home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
+                               ;;
+
                        nopersistent)
                                NOPERSISTENT="Yes"
                                export NOPERSISTENT
@@ -303,20 +370,20 @@ Arguments ()
                        url=*)
                                location="${ARGUMENT#url=}"
 
-                               mount -n -o bind /sys /root/sys
-                               mount -n -o bind /proc /root/proc
-                               mount -n -o bind /dev /root/dev
+                               mount -o bind /sys /root/sys
+                               mount -o bind /proc /root/proc
+                               mount -o bind /dev /root/dev
 
                                mkdir -p /root/var/run/network
-                               chroot /root ifup -a
-                               chroot /root wget -P /tmp "$location"
-                               chroot /root ifdown -a
+                               chroot /root dhclient eth0
+                               chroot /root wget -P /tmp "${location}"
+                               chroot /root ifconfig eth0 down
 
                                umount /root/sys
                                umount /root/proc
                                umount /root/dev
 
-                               LOCATION="/tmp/$(basename "$location")"
+                               LOCATION="/tmp/$(basename "${location}")"
                                ;;
 
                        */*=*)
@@ -331,6 +398,16 @@ Arguments ()
                                export SHOWMOUNTS
                                ;;
 
+                       silent)
+                               SILENT="Yes"
+                               export SILENT
+                               ;;
+
+                       textonly)
+                               TEXTONLY="Yes"
+                               export TEXTONLY
+                               ;;
+
                        timezone=*)
                                TIMEZONE="${ARGUMENT#timezone=}"
                                export TIMEZONE
@@ -357,6 +434,26 @@ Arguments ()
                                export TORAM MODULETORAM
                                ;;
 
+                       exposedroot)
+                               EXPOSED_ROOT="Yes"
+                               export EXPOSED_ROOT
+                               ;;
+
+                       plainroot)
+                               PLAIN_ROOT="Yes"
+                               export PLAIN_ROOT
+                               ;;
+
+                       skipunion)
+                                SKIP_UNION_MOUNTS="Yes"
+                                export SKIP_UNION_MOUNTS
+                                ;;
+
+                       root=*)
+                               ROOT="${ARGUMENT#root=}"
+                               export ROOT
+                               ;;
+
                        union=*)
                                UNIONTYPE="${ARGUMENT#union=}"
                                export UNIONTYPE
@@ -372,6 +469,11 @@ Arguments ()
                                export XDEBCONF
                                ;;
 
+                       xdriver=*)
+                               XDRIVER="${ARGUMENT#xdriver=}"
+                               export XDRIVER
+                               ;;
+
                        xvideomode=*)
                                XVIDEOMODE="${ARGUMENT#xvideomode=}"
                                export XVIDEOMODE
@@ -401,7 +503,7 @@ Arguments ()
 
        if [ -z "${UNIONTYPE}" ]
        then
-               UNIONTYPE="unionfs"
+               UNIONTYPE="aufs"
                export UNIONTYPE
        fi
 }
@@ -412,9 +514,9 @@ is_live_path ()
 
        if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
        then
-               for FILESYSTEM in squashfs ext2 ext3 xfs dir
+               for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
                do
-                       if [ "`echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}`" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
+                       if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
                        then
                                return 0
                        fi
@@ -424,11 +526,36 @@ is_live_path ()
        return 1
 }
 
+matches_uuid ()
+{
+       if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
+       then
+               return 0
+       fi
+
+       path="${1}"
+       uuid="$(cat /conf/uuid.conf)"
+
+       for try_uuid_file in "${path}/.disk/live-uuid"*
+       do
+               [ -e "${try_uuid_file}" ] || continue
+
+               try_uuid="$(cat "${try_uuid_file}")"
+
+               if [ "${uuid}" = "${try_uuid}" ]
+               then
+                       return 0
+               fi
+       done
+
+       return 1
+}
+
 get_backing_device ()
 {
-       case "$1" in
-               *.squashfs|*.ext2|*.ext3)
-                       echo $(setup_loop "$1" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}")
+       case "${1}" in
+               *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
+                       echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
                        ;;
 
                *.dir)
@@ -436,17 +563,17 @@ get_backing_device ()
                        ;;
 
                *)
-                       panic "Unrecognized live filesystem: $1"
+                       panic "Unrecognized live filesystem: ${1}"
                        ;;
        esac
 }
 
 match_files_in_dir ()
 {
-       # Does any files match pattern $1 ?
-       local pattern="$1"
+       # Does any files match pattern ${1} ?
+       local pattern="${1}"
 
-       if [ "$(echo $pattern)" != "$pattern" ]
+       if [ "$(echo ${pattern})" != "${pattern}" ]
        then
                return 0
        fi
@@ -456,17 +583,22 @@ match_files_in_dir ()
 
 mount_images_in_directory ()
 {
-       directory="$1"
-       rootmnt="$2"
+       directory="${1}"
+       rootmnt="${2}"
+       mac="${3}"
 
-       if match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.squashfs" ||
-               match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.ext2" ||
-               match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.ext3" ||
-               match_files_in_dir "$directory/${LIVE_MEDIA_PATH}/*.dir"
+
+       if match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.squashfs" ||
+               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext2" ||
+               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext3" ||
+               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.ext4" ||
+               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.jffs2" ||
+               match_files_in_dir "${directory}/${LIVE_MEDIA_PATH}/*.dir"
        then
-               setup_unionfs "$directory/${LIVE_MEDIA_PATH}" "$rootmnt"
+               [ -n "${mac}" ] && adddirectory="${directory}/${LIVE_MEDIA_PATH}/${mac}"
+               setup_unionfs "${directory}/${LIVE_MEDIA_PATH}" "${rootmnt}" "${adddirectory}"
        else
-               :
+               panic "No supported filesystem images found at /${LIVE_MEDIA_PATH}."
        fi
 }
 
@@ -474,7 +606,10 @@ is_nice_device ()
 {
        sysfs_path="${1#/sys}"
 
-       if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-[ide|scsi|usb])"
+       if /lib/udev/path_id "${sysfs_path}" | grep -E -q "ID_PATH=(usb|pci-[^-]*-(ide|scsi|usb))"
+       then
+               return 0
+       elif echo "${sysfs_path}" | grep -q '^/block/vd[a-z]$'
        then
                return 0
        fi
@@ -482,20 +617,6 @@ is_nice_device ()
        return 1
 }
 
-is_supported_fs ()
-{
-       # FIXME: do something better like the scan of supported filesystems
-       fstype="${1}"
-
-       case ${fstype} in
-               vfat|iso9660|udf|ext2|ext3|ntfs)
-                       return 0
-                       ;;
-       esac
-
-       return 1
-}
-
 copy_live_to ()
 {
        copyfrom="${1}"
@@ -512,7 +633,7 @@ copy_live_to ()
                then
                        size=$( expr $(ls -la ${MODULETORAMFILE} | awk '{print $5}') / 1024 + 5000 )
                else
-                       log_warning_msg "Error: toram-module $MODULETORAM ($MODULETORAMFILE) could not be read."
+                       log_warning_msg "Error: toram-module ${MODULETORAM} (${MODULETORAMFILE}) could not be read."
                        return 1
                fi
        fi
@@ -520,7 +641,7 @@ copy_live_to ()
        if [ "${copytodev}" = "ram" ]
        then
                # copying to ram:
-               freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ) )
+               freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo ) )
                mount_options="-o size=${size}k"
                free_string="memory"
                fstype="tmpfs"
@@ -534,14 +655,14 @@ copy_live_to ()
                        fstype=$(get_fstype "${dev}")
                        freespace=$(fs_size "${dev}")
                else
-                       [ "$quiet" != "y" ] && log_warning_msg "${copytodev} is not a block device."
+                       log_warning_msg "${copytodev} is not a block device."
                        return 1
                fi
        fi
 
        if [ "${freespace}" -lt "${size}" ]
        then
-               [ "$quiet" != "y" ] && log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
+               log_warning_msg "Not enough free ${free_string} (${freespace}k free, ${size}k needed) to copy live media in ${copytodev}."
                return 1
        fi
 
@@ -550,12 +671,12 @@ copy_live_to ()
        echo "mount -t ${fstype} ${mount_options} ${dev} ${copyto}"
        mount -t "${fstype}" ${mount_options} "${dev}" "${copyto}"
 
-       if [ "$extension" = "tgz" ]
+       if [ "${extension}" = "tgz" ]
        then
                cd "${copyto}"
                tar zxf "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
                rm -f "${copyfrom}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
-               mount -r --move "${copyto}" "${rootmnt}"
+               mount -r -move "${copyto}" "${rootmnt}"
                cd "${OLDPWD}"
        else
                if [ -n "${MODULETORAMFILE}" ]
@@ -565,9 +686,8 @@ copy_live_to ()
                        cp -a ${copyfrom}/* ${copyto}   # "cp -a" from busybox also copies hidden files
                fi
 
-               livefs_root
                umount ${copyfrom}
-               mount -r --move ${copyto} ${copyfrom}
+               mount -r -move ${copyto} ${copyfrom}
        fi
 
        rmdir ${copyto}
@@ -578,36 +698,53 @@ do_netmount ()
 {
        rc=1
 
-       modprobe "${MP_QUIET}" af_packet # For DHCP
+       modprobe -q af_packet # For DHCP
 
-       udevtrigger
-       udevsettle
+       if [ -x /sbin/udevadm ]
+       then
+               # lenny
+               udevadm trigger
+               udevadm settle
+       else
+               # etch
+               udevtrigger
+               udevsettle
+       fi
 
        ipconfig ${DEVICE} | tee /netboot.config
 
+       # source relevant ipconfig output
+       OLDHOSTNAME=${HOSTNAME}
+       . /tmp/net-${DEVICE}.conf
+       [ -z ${HOSTNAME} ] && HOSTNAME=${OLDHOSTNAME}
+       export HOSTNAME
+
+       # Check if we have a network device at all
+       if ! ls /sys/class/net/eth0 > /dev/null 2>&1 && \
+          ! ls /sys/class/net/wlan0 > /dev/null 2>&1 && \
+          ! ls /sys/class/net/ath0 > /dev/null 2>&1 && \
+          ! ls /sys/class/net/ra0 > /dev/null 2>&1
+       then
+               panic "No supported network device found, maybe a non-mainline driver is required."
+       fi
+
        if [ "${NFSROOT}" = "auto" ]
        then
                NFSROOT=${ROOTSERVER}:${ROOTPATH}
        fi
 
-       # source relevant ipconfig output
-       OLDHOSTNAME=$HOSTNAME
-       . /tmp/net-${DEVICE}.conf
-       [ -z $HOSTNAME ] && HOSTNAME=$OLDHOSTNAME
-       export HOSTNAME
-
-       if [ -n "${FETCH}" ] && do_httpmount
+       if ( [ -n "${FETCH}" ] || [ -n "${HTTPFS}" ] || [ -n "${FTPFS}" ] ) && do_httpmount
        then
                rc=0
                return ${rc}
        fi
 
-       if [ "${NFSROOT#*:}" = "$NFSROOT" ] && [ "$NETBOOT" != "cifs" ]
+       if [ "${NFSROOT#*:}" = "${NFSROOT}" ] && [ "$NETBOOT" != "cifs" ]
        then
                NFSROOT=${ROOTSERVER}:${NFSROOT}
        fi
 
-       [ "$quiet" != "y" ] && log_begin_msg "Trying netboot from ${NFSROOT}"
+       log_begin_msg "Trying netboot from ${NFSROOT}"
 
        if [ "${NETBOOT}" != "nfs" ] && do_cifsmount
        then
@@ -619,27 +756,70 @@ do_netmount ()
                rc=0
        fi
 
-       [ "$quiet" != "y" ] && log_end_msg
+       log_end_msg
        return ${rc}
 }
 
 do_httpmount ()
 {
        rc=1
-       extension=`echo "${FETCH}" | sed 's/\(.*\)\.\(.*\)/\2/'`
-
-       case "${extension}" in
-               squashfs|tgz|tar)
-                       [ "$quiet" != "y" ] && log_begin_msg "Trying wget ${FETCH} -O ${mountpoint}/$(basename ${FETCH})"
-                       mkdir -p "${mountpoint}/${LIVE_MEDIA_PATH}"
-                       wget "${FETCH}" -O "${mountpoint}/${LIVE_MEDIA_PATH}/$(basename ${FETCH})"
-                       [ $? -eq 0 ] && rc=0
-                       [ "${extension}" == "tgz" ] && live_dest="ram"
-                       ;;
+       dest="${mountpoint}/${LIVE_MEDIA_PATH}"
+       mount -t ramfs ram "${mountpoint}"
+       mkdir -p "${dest}"
 
-               *)
-                       [ "$quiet" != "y" ] && log_begin_msg "Unrecognized archive extension for ${FETCH}"
-       esac
+       for webfile in HTTPFS FTPFS FETCH
+       do
+               url="$(eval echo \"\$\{${webfile}\}\")"
+               extension="$(echo "${url}" | sed 's/\(.*\)\.\(.*\)/\2/')"
+
+               if [ -n "$url" ]
+               then
+                       case "${extension}" in
+                               squashfs|tgz|tar)
+                                       if [ "${webfile}" = "FETCH" ]
+                                       then
+                                               case "$url" in
+                                                       tftp*)
+                                                               ip="$(dirname $url | sed -e 's|tftp://||g' -e 's|/.*$||g')"
+                                                               rfile="$(echo $url | sed -e "s|tftp://$ip||g")"
+                                                               lfile="$(basename $url)"
+                                                               log_begin_msg "Trying tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip"
+                                                               tftp -g -b 10240 -r $rfile -l ${dest}/$lfile $ip
+                                                       ;;
+
+                                                       *)
+                                                               log_begin_msg "Trying wget ${url} -O ${dest}/$(basename ${url})"
+                                                               wget "${url}" -O "${dest}/$(basename ${url})"
+                                                               ;;
+                                               esac
+                                       else
+                                               log_begin_msg "Trying to mount ${url} on ${dest}/$(basename ${url})"
+                                               if [ "${webfile}" = "FTPFS" ]
+                                               then
+                                                       FUSE_MOUNT="curlftpfs"
+                                                       url="$(dirname ${url})"
+                                               else
+                                                       FUSE_MOUNT="httpfs"
+                                               fi
+                                               modprobe fuse
+                                               $FUSE_MOUNT "${url}" "${dest}"
+                                       fi
+                                       [ ${?} -eq 0 ] && rc=0
+                                       [ "${extension}" = "tgz" ] && live_dest="ram"
+                                       break
+                                       ;;
+
+                               *)
+                                       log_begin_msg "Unrecognized archive extension for ${url}"
+                                       ;;
+                       esac
+               fi
+       done
+
+       if [ ${rc} != 0 ]
+       then
+           umount "${mountpoint}"
+       fi
 
        return ${rc}
 }
@@ -648,20 +828,22 @@ do_nfsmount ()
 {
        rc=1
 
-       modprobe "${MP_QUIET}" nfs
+       modprobe -q nfs
 
        if [ -z "${NFSOPTS}" ]
        then
                NFSOPTS=""
        fi
 
-       [ "$quiet" != "y" ] && log_begin_msg "Trying nfsmount -o nolock -o ro ${NFSOPTS} ${NFSROOT} ${mountpoint}"
+       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
+       # FIXME: This while loop is an ugly HACK round an nfs bug
+       i=0
+       while [ "$i" -lt 60 ]
        do
                nfsmount -o nolock -o ro ${NFSOPTS} "${NFSROOT}" "${mountpoint}" && rc=0 && break
                sleep 1
+               i="$(($i + 1))"
        done
 
        return ${rc}
@@ -680,8 +862,8 @@ do_cifsmount ()
                        CIFSOPTS="${NFSOPTS}"
                fi
 
-               [ "$quiet" != "y" ] && log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
-               modprobe "${MP_QUIET}" cifs
+               log_begin_msg "Trying mount.cifs ${NFSROOT} ${mountpoint} ${CIFSOPTS}"
+               modprobe -q cifs
 
                if mount.cifs "${NFSROOT}" "${mountpoint}" "${CIFSOPTS}"
                then
@@ -704,10 +886,10 @@ do_snap_copy ()
                # look for free mem
                if [ -n "${HOMEMOUNTED}" -a "${snap_type}" = "HOME" ]
                then
-                       todev=$(cat /proc/mounts | grep -s " $(base_path ${todir}) " | awk '{print $1}' )
-                       freespace=$(df -k  | grep -s ${todev} | awk '{print $4}')
+                       todev=$(awk -v pat="$(base_path ${todir})" '$2 == pat { print $1 }' /proc/mounts)
+                       freespace=$(df -k | awk '/'${todev}'/{print $4}')
                else
-                       freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( cat /proc/meminfo | grep Cached | head -n 1 | awk '/Cached/{print $2}' - ))
+                       freespace=$( expr $(awk '/MemFree/{print $2}' /proc/meminfo) + $( awk '/\<Cached/{print $2}' /proc/meminfo))
                fi
 
                tomount="/mnt/tmpsnap"
@@ -722,7 +904,7 @@ do_snap_copy ()
                if [ -n "${fstype}" ]
                then
                        # Copying stuff...
-                       mount -t "${fstype}" -o ro "${fromdev}" "${tomount}"
+                       mount -o ro -t "${fstype}" "${fromdev}" "${tomount}" || log_warning_msg "Error in mount -t ${fstype} -o ro ${fromdev} ${tomount}"
                        cp -a "${tomount}"/* ${todir}
                        umount "${tomount}"
                else
@@ -740,76 +922,105 @@ do_snap_copy ()
        else
                return 1
 
-               [ "$quiet" != "y" ] && log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+               log_warning_msg "Unable to find the snapshot ${snap_type} medium"
+       fi
+}
+
+find_snap ()
+{
+       # Look for ${snap_label}.* in block devices
+       snap_label="${1}"
+
+       if [ "${PERSISTENT}" != "nofiles" ]
+       then
+               # search for image files
+               snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.ext4 ${snap_label}.jffs2")
+       fi
+
+       if [ -z "${snapdata}" ]
+       then
+               snapdata=$(find_cow_device "${snap_label}")
        fi
+       echo "${snapdata}"
 }
 
 try_snap ()
 {
-       # Look for $snap_label.* in block devices and copy the contents to $snap_mount
+        # copy the contents of previously found snapshot to ${snap_mount}
        # and remember the device and filename for resync on exit in live-initramfs.init
 
-       snap_label="${1}"
+       snapdata="${1}"
        snap_mount="${2}"
        snap_type="${3}"
-       snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3")
 
-       if [ ! -z "${snapdata}" ]
+       if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
        then
+               log_success_msg "found snapshot: ${snapdata}"
                snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
                snapback="$(echo ${snapdata} | cut -f2 -d ' ')"
                snapfile="$(echo ${snapdata} | cut -f3 -d ' ')"
 
-               if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\)'
+               RES=""
+               if ! try_mount "${snapdev}" "${snapback}" "ro"
                then
-                       # squashfs or ext2/ext3 snapshot
+                       break
+               fi
+
+               if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
+               then
+                       # squashfs, jffs2 or ext2/ext3/ext4 snapshot
                        dev=$(get_backing_device "${snapback}/${snapfile}")
 
-                       if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
-                       then
-                               log_warning_msg "Impossible to include the ${snapfile} Snapshot"
-                               return 1
-                       fi
+                       do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+                       RES=$?
                else
                        # cpio.gz snapshot
-                       if ! (cd "${snap_mount}" && zcat "${snapback}/${snapfile}" | cpio -i -u -d 2>/dev/null)
+                       cd "${snap_mount}"
+                       zcat "${snapback}/${snapfile}" | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories > /dev/null 2>&1
+                       RES=$?
+                       if [ "${RES}" != "0" ]
                        then
-                               log_warning_msg "Impossible to include the ${snapfile} Snapshot"
-                               return 1
+                               log_warning_msg "failure to \"zcat ${snapback}/${snapfile} | /bin/cpio --extract --preserve-modification-time --no-absolute-filenames --sparse --unconditional --make-directories\""
                        fi
+                       cd "${OLDPWD}"
                fi
 
-               umount "${snapback}"
-       else
-               dev=$(find_cow_device "${snap_label}")
+               umount "${snapback}" ||  log_warning_msg "failure to \"umount ${snapback}\""
 
-               if [ -b ${dev} ]
+               if [ "${RES}" != "0" ]
                then
-                       if echo "${dev}" | grep -qs loop
-                       then
-                               # strange things happens, user confused?
-                               snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
-                               snapfile=$(basename ${snaploop})
-                               snapdev=$(cat /proc/mounts | awk '{print $2,$1}' | grep -es "^$( dirname ${snaploop} )" | cut -f2 -d ' ')
-                       else
-                               snapdev="${dev}"
-                       fi
+                       log_warning_msg "Impossible to include the ${snapfile} Snapshot file"
+               fi
 
-                       if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
-                       then
-                               log_warning_msg "Impossible to include the ${snap_label} Snapshot"
-                               return 1
-                       else
-                               if [ -n "${snapfile}" ]
-                               then
-                                       # it was a loop device, user confused
-                                       umount ${snapdev}
-                               fi
-                       fi
+       elif [ -b "${snapdata}" ]
+       then
+               # Try to find if it could be a snapshot partition
+               dev="${snapdata}"
+               log_success_msg "found snapshot ${snap_type} device on ${dev}"
+               if echo "${dev}" | grep -qs loop
+               then
+                       # strange things happens, user confused?
+                       snaploop=$( losetup ${dev} | awk '{print $3}' | tr -d '()' )
+                       snapfile=$(basename ${snaploop})
+                       snapdev=$(awk -v pat="$( dirname ${snaploop})" '$2 == pat { print $1 }' /proc/mounts)
                else
-                       log_warning_msg "Impossible to include the ${snap_label} Snapshot"
+                       snapdev="${dev}"
+               fi
+
+               if ! do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
+               then
+                       log_warning_msg "Impossible to include the ${snap_type} Snapshot"
                        return 1
+               else
+                       if [ -n "${snapfile}" ]
+                       then
+                               # it was a loop device, user confused
+                               umount ${snapdev}
+                       fi
                fi
+       else
+               log_warning_msg "Impossible to include the ${snap_type} Snapshot"
+               return 1
        fi
 
        echo "export ${snap_type}SNAP="${snap_mount}":${snapdev}:${snapfile}" >> /etc/live.conf # for resync on reboot/halt
@@ -818,10 +1029,10 @@ try_snap ()
 
 setup_unionfs ()
 {
-       image_directory="$1"
-       rootmnt="$2"
-
-       modprobe "${MP_QUIET}" -b ${UNIONTYPE}
+       image_directory="${1}"
+       rootmnt="${2}"
+        addimage_directory="${3}"
+       modprobe -q -b ${UNIONTYPE}
 
        # run-init can't deal with images in a subdir, but we're going to
        # move all of these away before it runs anyway.  No, we're not,
@@ -833,117 +1044,292 @@ setup_unionfs ()
        # Let's just mount the read-only file systems first
        rofsstring=""
        rofslist=""
-       minor_kernel_version=`uname -r|cut -c 5-|sed 's/[^0-9].*//'`
+       minor_kernel_version=$(uname -r|cut -c 5-|sed 's/[^0-9].*//')
 
        if [ "${NETBOOT}" = "nfs" ] && [ "${minor_kernel_version}" -lt 22 ]
        then
                # go aroung a bug in nfs-unionfs locking for unionfs <= 1.4
                roopt="nfsro"
+       elif [ "${UNIONTYPE}" = "aufs" ]
+       then
+               roopt="rr"
        else
                roopt="ro"
        fi
 
-       # Read image names from ${MODULE}.module if it exists
-       if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
-       then
-               for IMAGE in `cat ${image_directory}/filesystem.${MODULE}.module`
-               do
-                       image_string="${image_string} ${image_directory}/${image}"
-               done
-       elif [ -e "${image_directory}/${MODULE}.module" ]
+       if [ -z "${PLAIN_ROOT}" ]
        then
-               for IMAGE in `cat ${image_directory}/${MODULE}.module`
-               do
-                       image_string="${image_string} ${image_directory}/${image}"
-               done
-       else
-               # ${MODULE}.module does not exist, create a list of images
-               for FILESYSTEM in squashfs ext2 ext3 xfs dir
-               do
-                       for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
+               # Read image names from ${MODULE}.module if it exists
+               if [ -e "${image_directory}/filesystem.${MODULE}.module" ]
+               then
+                       for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
                        do
-                               if [ -e "${IMAGE}" ]
-                               then
-                                       image_string="${image_string} ${IMAGE}"
-                               fi
+                               image_string="${image_string} ${image_directory}/${IMAGE}"
+                       done
+               elif [ -e "${image_directory}/${MODULE}.module" ]
+               then
+                       for IMAGE in $(cat ${image_directory}/${MODULE}.module)
+                       do
+                               image_string="${image_string} ${image_directory}/${IMAGE}"
+                       done
+               else
+                       # ${MODULE}.module does not exist, create a list of images
+                       for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
+                       do
+                               for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
+                               do
+                                       if [ -e "${IMAGE}" ]
+                                       then
+                                               image_string="${image_string} ${IMAGE}"
+                                       fi
+                               done
                        done
-               done
 
-               # Now sort the list
-               image_string="`echo ${image_string} | sed -e 's/ /\n/g' | sort `"
-       fi
+                       if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
+                       then
+                               for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
+                               do
+                                       for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
+                                       do
+                                               if [ -e "${IMAGE}" ]
+                                               then
+                                                       image_string="${image_string} ${IMAGE}"
+                                               fi
+                                       done
+                               done
+                       fi
+
+                       # Now sort the list
+                       image_string="$(echo ${image_string} | sed -e 's/ /\n/g' | sort )"
+               fi
 
        [ -n "${MODULETORAMFILE}" ] && image_string="${image_directory}/$(basename ${MODULETORAMFILE})"
 
-       mkdir -p "${croot}"
+               mkdir -p "${croot}"
 
-       for image in ${image_string}
-       do
-               imagename=$(basename "${image}")
+               for image in ${image_string}
+               do
+                       imagename=$(basename "${image}")
 
-               if [ -d "${image}" ]
-               then
-                       # it is a plain directory: do nothing
-                       rofsstring="${image}=${roopt}:${rofsstring}"
-                       rofslist="${image} ${rofslist}"
-               elif [ -f "${image}" ]
-               then
-                       backdev=$(get_backing_device "$image")
-                       fstype=$(get_fstype "${backdev}")
+                       export image devname
+                       maybe_break live-realpremount
+                       log_begin_msg "Running /scripts/live-realpremount"
+                       run_scripts /scripts/live-realpremount
+                       log_end_msg
 
-                       if [ "${fstype}" = "unknown" ]
+                       if [ -d "${image}" ]
                        then
-                               panic "Unknown file system type on ${backdev} (${image})"
-                       fi
+                               # it is a plain directory: do nothing
+                               rofsstring="${image}=${roopt}:${rofsstring}"
+                               rofslist="${image} ${rofslist}"
+                       elif [ -f "${image}" ]
+                       then
+                               if losetup --help 2>&1 | grep -q -- "-r\b"
+                               then
+                                       backdev=$(get_backing_device "${image}" "-r")
+                               else
+                                       backdev=$(get_backing_device "${image}")
+                               fi
+                               fstype=$(get_fstype "${backdev}")
 
-                       mkdir -p "${croot}/${imagename}"
-                       echo "debug: Can not mount backdev $backdev (image = $image) on croot/imagename ${croot}/${imagename}"
-                       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} ${rofslist}"
-               fi
-       done
+                               if [ "${fstype}" = "unknown" ]
+                               then
+                                       panic "Unknown file system type on ${backdev} (${image})"
+                               fi
+
+                               if [ -z "${fstype}" ]
+                               then
+                                       fstype="${imagename##*.}"
+                                       log_warning_msg "Unknown file system type on ${backdev} (${image}), assuming ${fstype}."
+                               fi
+
+                               mkdir -p "${croot}/${imagename}"
+                               log_begin_msg "Mounting \"${image}\" on \"${croot}${imagename}\" via \"${backdev}\""
+                               mount -t "${fstype}" -o ro,noatime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
+                               log_end_msg
+                       fi
+               done
+       else
+               # we have a plain root system
+               mkdir -p "${croot}/filesystem"
+               log_begin_msg "Mounting \"${image_directory}\" on \"${croot}/filesystem\""
+               mount -t $(get_fstype "${image_directory}") -o ro,noatime "${image_directory}" "${croot}/filesystem" || panic "Can not mount ${image_directory} on ${croot}/filesystem" && rofsstring="${croot}/filesystem=${roopt}:${rofsstring}" && rofslist="${croot}/filesystem ${rofslist}"
+               # probably broken:
+               mount -o bind ${croot}/filesystem $mountpoint
+               log_end_msg
+       fi
 
        rofsstring=${rofsstring%:}
 
        mkdir -p /cow
-       cowdevice="tmpfs"
-       cow_fstype="tmpfs"
 
        # Looking for "${root_persistence}" device or file
-       if [ -n "${PERSISTENT}" ]
+       if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
        then
+               # Load USB modules
+               num_block=$(ls -l /sys/block | wc -l)
+               for module in sd_mod uhci-hcd ehci-hcd ohci-hcd usb-storage
+               do
+                       modprobe -q -b ${module}
+               done
+
+               if [ -x /sbin/udevadm ]
+               then
+                       # lenny
+                       udevadm trigger
+                       udevadm settle
+               else
+                       # etch
+                       udevtrigger
+                       udevsettle
+               fi
+
+               # For some reason, udevsettle does not block in this scenario,
+               # so we sleep for a little while.
+               #
+               # See https://bugs.launchpad.net/ubuntu/+source/casper/+bug/84591
+               for timeout in 5 4 3 2 1
+               do
+                       sleep 1
+
+                       if [ $(ls -l /sys/block | wc -l) -gt ${num_block} ]
+                       then
+                               break
+                       fi
+               done
+
+               # search for label and files (this could be hugely optimized)
                cowprobe=$(find_cow_device "${root_persistence}")
+               if [ -b "${cowprobe}" ]
+               then
+                       # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
+                       # makes sense to have both persistence for /cow and /home mounted, maybe also with
+                       # snapshots to be sure to really store some e.g key config files,
+                       # but not on the same media
+                       blacklistdev="${cowprobe}"
+                       PERSISTENCE_IS_ON="1"
+                       export PERSISTENCE_IS_ON
+               fi
+               # homecow just mount something on /home, this should be generalized some way
+               homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}")
+               if [ -b "${homecow}" ]
+               then
+                       PERSISTENCE_IS_ON="1"
+                       export PERSISTENCE_IS_ON
+               fi
+               root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}")
+               # This second type should be removed when snapshot will get smarter,
+               # hence when "/etc/live-snapshot*list" will be supported also by
+               # ext2|ext3|ext4|jffs2 snapshot types.
+               home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
 
                if [ -b "${cowprobe}" ]
                then
                        cowdevice=${cowprobe}
                        cow_fstype=$(get_fstype "${cowprobe}")
+                       cow_mountopt="rw,noatime"
+               else
+                       log_warning_msg "Unable to find the persistent medium"
+                       cowdevice="tmpfs"
+                       cow_fstype="tmpfs"
+                       cow_mountopt="rw,noatime,mode=755"
+               fi
+       elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
+       then
+               # check if there are any nfs options
+               if echo ${NFS_COW}|grep -q ','
+               then
+                       nfs_cow_opts="-o nolock,$(echo ${NFS_COW}|cut -d, -f2-)"
+                       nfs_cow=$(echo ${NFS_COW}|cut -d, -f1)
+               else
+                       nfs_cow_opts="-o nolock"
+                       nfs_cow=${NFS_COW}
+               fi
+               mac="$(get_mac)"
+               if [ -n "${mac}" ]
+               then
+                       cowdevice=$(echo ${nfs_cow}|sed "s/client_mac_address/${mac}/")
+                       cow_fstype="nfs"
                else
-                       [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent medium"
+                       panic "unable to determine mac address"
                fi
+       else
+               cowdevice="tmpfs"
+               cow_fstype="tmpfs"
+               cow_mountopt="rw,noatime,mode=755"
+       fi
+
+       if [ "${cow_fstype}" = "nfs" ]
+       then
+               log_begin_msg \
+                       "Trying nfsmount ${nfs_cow_opts} ${cowdevice} /cow"
+               nfsmount ${nfs_cow_opts} ${cowdevice} /cow || \
+                       panic "Can not mount ${cowdevice} (n: ${cow_fstype}) on /cow"
+       else
+               mount -t ${cow_fstype} -o ${cow_mountopt} ${cowdevice} /cow || \
+                       panic "Can not mount ${cowdevice} (o: ${cow_fstype}) on /cow"
+       fi
+
+       rofscount=$(echo ${rofslist} |wc -w)
+
+       if [ -n "${EXPOSED_ROOT}" ]
+       then
+               if [ ${rofscount} -ne 1 ]
+               then
+                       panic "only one RO file system supported with exposedroot: ${rofslist}"
+               fi
+               exposedrootfs=${rofslist%% }
+
+               mount --bind ${exposedrootfs} ${rootmnt} || \
+                       panic "bind mount of ${exposedrootfs} failed"
+
+               if [ -z "${SKIP_UNION_MOUNTS}" ]
+               then
+                       cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool /home /var/lib/live'
+               else
+                       cow_dirs=''
+               fi
+
+               for dir in ${cow_dirs}; do
+                       mkdir -p /cow${dir}
+                       mount -t ${UNIONTYPE} \
+                               -o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
+                               ${UNIONTYPE} "${rootmnt}${dir}" || \
+                               panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
+                                       rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
+               done
+       else
+               mount -t ${UNIONTYPE} -o noatime,dirs=/cow=rw:${rofsstring} \
+                       ${UNIONTYPE} "${rootmnt}" || panic "mount ${UNIONTYPE} on \
+                       ${rootmnt} failed with option noatime,dirs=/cow=rw:${rofsstring}"
        fi
 
-       mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not mount $cowdevice on /cow"
+       # Correct the permissions of /:
+       chmod 0755 "${rootmnt}"
 
-       mount -t ${UNIONTYPE} -o dirs=/cow=rw:$rofsstring ${UNIONTYPE} "$rootmnt" || panic "${UNIONTYPE} mount failed"
+       # tmpfs file systems
+       touch /etc/fstab
+       mkdir -p "${rootmnt}/live"
+       mount -t tmpfs tmpfs ${rootmnt}/live
 
        # Adding other custom mounts
-       if [ -n "${PERSISTENT}" ]
+       if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
        then
                # directly mount /home
                # FIXME: add a custom mounts configurable system
-               homecow=$(find_cow_device "${home_persistence}" )
 
                if [ -b "${homecow}" ]
                then
-                       mount -t $(get_fstype "${homecow}") -o rw "${homecow}" "${rootmnt}/home"
+                       mount -t $(get_fstype "${homecow}") -o rw,noatime "${homecow}" "${rootmnt}/home"
                        export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
                else
-                       [ "$quiet" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
+                       log_warning_msg "Unable to find the persistent home medium"
                fi
 
                # Look for other snapshots to copy in
-               try_snap "${root_snapshot_label}" "${rootmnt}" "ROOT"
-               try_snap "${home_snapshot_label}" "${rootmnt}/home" "HOME"
+               try_snap "${root_snapdata}" "${rootmnt}" "ROOT"
+               # This second type should be removed when snapshot grow smarter
+               try_snap "${home_snapdata}" "${rootmnt}/home" "HOME"
        fi
 
        if [ -n "${SHOWMOUNTS}" ]
@@ -958,7 +1344,7 @@ setup_unionfs ()
                                        ;;
 
                                *)
-                                       mount --move "${d}" "${rootmnt}/live/${d##*/}"
+                                       mount -move "${d}" "${rootmnt}/live/${d##*/}"
                                        ;;
                        esac
                done
@@ -966,19 +1352,33 @@ setup_unionfs ()
 
        # shows cow fs on /cow for use by live-snapshot
        mkdir -p "${rootmnt}/live/cow"
-       mount -o bind /cow "${rootmnt}/live/cow"
+       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"
 }
 
 check_dev ()
 {
        sysdev="${1}"
        devname="${2}"
+       skip_uuid_check="${3}"
 
        if [ -z "${devname}" ]
        then
                devname=$(sys2dev "${sysdev}")
        fi
 
+       if [ -d "${devname}" ]
+       then
+               mount -o bind "${devname}" $mountpoint || continue
+
+               if is_live_path $mountpoint
+               then
+                       echo $mountpoint
+                       return 0
+               else
+                       umount $mountpoint
+               fi
+       fi
+
        if [ -n "${LIVE_MEDIA_OFFSET}" ]
        then
                loopdevname=$(setup_loop "${devname}" "loop" "/sys/block/loop*" "${LIVE_MEDIA_OFFSET}" '')
@@ -989,14 +1389,15 @@ check_dev ()
 
        if is_supported_fs ${fstype}
        then
-               mount -t ${fstype} -o ro "${devname}" $mountpoint || continue
+               mount -t ${fstype} -o ro,noatime "${devname}" ${mountpoint} || continue
 
-               if is_live_path $mountpoint
+               if is_live_path ${mountpoint} && \
+                       ([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
                then
-                       echo $mountpoint
+                       echo ${mountpoint}
                        return 0
                else
-                       umount $mountpoint
+                       umount ${mountpoint}
                fi
        fi
 
@@ -1012,15 +1413,6 @@ find_livefs ()
 {
        timeout="${1}"
 
-       # first look at the one specified in the command line
-       if [ ! -z "${LIVE_MEDIA}" ]
-       then
-               if check_dev "null" "${LIVE_MEDIA}"
-               then
-                       return 0
-               fi
-       fi
-
        # don't start autodetection before timeout has expired
        if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
        then
@@ -1030,8 +1422,57 @@ find_livefs ()
                fi
        fi
 
+       # first look at the one specified in the command line
+       case "${LIVE_MEDIA}" in
+               removable-usb)
+                       for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+                       do
+                               if [ "$(cat ${sysblock}/removable)" = "1" ]
+                               then
+                                       if readlink ${sysblock} | grep -q usb ||
+                                          readlink ${sysblock}/device | grep -q usb # linux < 2.6.29
+                                       then
+                                               for dev in $(subdevices "${sysblock}")
+                                               do
+                                                       if check_dev "${dev}"
+                                                       then
+                                                               return 0
+                                                       fi
+                                               done
+                                       fi
+                               fi
+                       done
+                       ;;
+
+               removable)
+                       for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
+                       do
+                               if [ "$(cat ${sysblock}/removable)" = "1" ]
+                               then
+                                       for dev in $(subdevices "${sysblock}")
+                                       do
+                                               if check_dev "${dev}"
+                                               then
+                                                       return 0
+                                               fi
+                                       done
+                               fi
+                       done
+                       ;;
+
+               *)
+                       if [ ! -z "${LIVE_MEDIA}" ]
+                       then
+                               if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
+                               then
+                                       return 0
+                               fi
+                       fi
+                       ;;
+       esac
+
        # or do the scan of block devices
-       for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -v loop | grep -v ram)
+       for sysblock in $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
        do
                devname=$(sys2dev "${sysblock}")
                fstype=$(get_fstype "${devname}")
@@ -1053,7 +1494,9 @@ find_livefs ()
                        done
                elif [ "${fstype}" = "squashfs" -o \
                        "${fstype}" = "ext2" -o \
-                       "${fstype}" = "ext3" ]
+                       "${fstype}" = "ext3" -o \
+                       "${fstype}" = "ext4" -o \
+                       "${fstype}" = "jffs2" ]
                then
                        # This is an ugly hack situation, the block device has
                        # an image directly on it.  It's hopefully
@@ -1067,43 +1510,73 @@ find_livefs ()
        return 1
 }
 
-pulsate ()
+set_usplash_timeout ()
 {
        if [ -x /sbin/usplash_write ]
        then
-               /sbin/usplash_write "PULSATE"
-       fi
+               /sbin/usplash_write "TIMEOUT 120"
+       else if [ -x /sbin/splashy_update ] ; then
+               /sbin/splashy_update "TIMEOUT 120"
+       fi ; fi
 }
 
-set_usplash_timeout ()
+integrity_check ()
 {
-       if [ -x /sbin/usplash_write ]
+       media_mountpoint="${1}"
+
+       log_begin_msg "Checking media integrity"
+
+       cd ${media_mountpoint}
+       /bin/md5sum -c md5sum.txt < /dev/tty8 > /dev/tty8
+       RC="${?}"
+
+       log_end_msg
+
+       if [ "${RC}" -eq 0 ]
        then
-               /sbin/usplash_write "TIMEOUT 120"
+               log_success_msg "Everything ok, will reboot in 10 seconds."
+               sleep 10
+               cd /
+               umount ${media_mountpoint}
+               sync
+               echo u > /proc/sysrq-trigger
+               echo b > /proc/sysrq-trigger
+       else
+               panic "Not ok, a media defect is likely, switch to VT8 for details."
        fi
 }
 
 mountroot ()
 {
+        if [ -x /scripts/local-top/cryptroot ]; then
+           /scripts/local-top/cryptroot
+       fi
+
        exec 6>&1
        exec 7>&2
        exec > live.log
        exec 2>&1
+       tail -f live.log >&7 &
+       tailpid="${!}"
+
+       # Ensure 'panic' function is overridden
+       . /scripts/live-functions
 
        Arguments
 
        set_usplash_timeout
-       [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-premount"
-       pulsate
+
+       maybe_break live-premount
+       log_begin_msg "Running /scripts/live-premount"
        run_scripts /scripts/live-premount
-       [ "$quiet" != "y" ] && log_end_msg
+       log_end_msg
 
        # Needed here too because some things (*cough* udev *cough*)
        # changes the timeout
 
        set_usplash_timeout
 
-       if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ]
+       if [ ! -z "${NETBOOT}" ] || [ ! -z "${FETCH}" ] || [ ! -z "${HTTPFS}" ] || [ ! -z "${FTPFS}" ]
        then
                if do_netmount
                then
@@ -1112,18 +1585,26 @@ mountroot ()
                        panic "Unable to find a live file system on the network"
                fi
        else
-               # Scan local devices for the image
-               for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
-               do
-                       livefs_root=$(find_livefs $i)
+               if [ -n "${PLAIN_ROOT}" ] && [ -n "${ROOT}" ]
+               then
+                       # Do a local boot from hd
+                       livefs_root=${ROOT}
+               else
+                       # Scan local devices for the image
+                       i=0
+                       while [ "$i" -lt 60 ]
+                       do
+                               livefs_root=$(find_livefs ${i})
 
-                       if [ -n "${livefs_root}" ]
-                       then
-                               break
-                       fi
+                               if [ -n "${livefs_root}" ]
+                               then
+                                       break
+                               fi
 
-                       sleep 1
-               done
+                               sleep 1
+                               i="$(($i + 1))"
+                       done
+               fi
        fi
 
        if [ -z "${livefs_root}" ]
@@ -1131,6 +1612,11 @@ mountroot ()
                panic "Unable to find a medium containing a live file system"
        fi
 
+       if [ "${INTEGRITY_CHECK}" ]
+       then
+               integrity_check "${livefs_root}"
+       fi
+
        if [ "${TORAM}" ]
        then
                live_dest="ram"
@@ -1146,23 +1632,25 @@ mountroot ()
                log_end_msg
        fi
 
-       if [ -n "${MODULETORAMFILE}" ]
+       if [ -n "${MODULETORAMFILE}" ] || [ -n "${PLAIN_ROOT}" ]
        then
-               setup_unionfs "${livefs_root}" "$rootmnt"
+               setup_unionfs "${livefs_root}" "${rootmnt}"
        else
-               mount_images_in_directory "${livefs_root}" "${rootmnt}"
+               mac="$(get_mac)"
+               mac="$(echo ${mac} | sed 's/-//g')"
+               mount_images_in_directory "${livefs_root}" "${rootmnt}" "${mac}"
        fi
 
        log_end_msg
 
        maybe_break live-bottom
-       [ "$quiet" != "y" ] && log_begin_msg "Running /scripts/live-bottom"
+       log_begin_msg "Running /scripts/live-bottom\n"
 
-       pulsate
        run_scripts /scripts/live-bottom
-       [ "$quiet" != "y" ] && log_end_msg
+       log_end_msg
 
        exec 1>&6 6>&-
        exec 2>&7 7>&-
-       cp live.log "${rootmnt}/var/log/"
+       kill ${tailpid}
+       [ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null
 }