Adding upstream version 1.156.1.

[live-boot-grml.git] / scripts / live

diff --git a/scripts/live b/scripts/live
index 389fc21..df104ef 100755 (executable)
--- a/scripts/live
+++ b/scripts/live
@@ -109,6 +109,11 @@ Arguments ()
                                export IGNORE_UUID
                                ;;
 
+                       integrity-check)
+                               INTEGRITY_CHECK="Yes"
+                               export INTEGRITY_CHECK
+                               ;;
+
                        ip=*)
                                STATICIP="${ARGUMENT#ip=}"
 
@@ -335,6 +340,11 @@ Arguments ()
                                export PERSISTENT
                                ;;
 
+                       persistent-path=*)
+                               PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
+                               export PERSISTENT_PATH
+                               ;;
+
                        nopersistent)
                                NOPERSISTENT="Yes"
                                export NOPERSISTENT
@@ -422,6 +432,11 @@ Arguments ()
                                export PLAIN_ROOT
                                ;;
 
+                       skipunion)
+                                SKIP_UNION_MOUNTS="Yes"
+                                export SKIP_UNION_MOUNTS
+                                ;;
+
                        root=*)
                                ROOT="${ARGUMENT#root=}"
                                export ROOT
@@ -487,7 +502,7 @@ is_live_path ()
 
        if [ -d "${DIRECTORY}"/"${LIVE_MEDIA_PATH}" ]
        then
-               for FILESYSTEM in squashfs ext2 ext3 xfs dir jffs2
+               for FILESYSTEM in squashfs ext2 ext3 ext4 xfs dir jffs2
                do
                        if [ "$(echo ${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM})" != "${DIRECTORY}/${LIVE_MEDIA_PATH}/*.${FILESYSTEM}" ]
                        then
@@ -527,7 +542,7 @@ matches_uuid ()
 get_backing_device ()
 {
        case "${1}" in
-               *.squashfs|*.ext2|*.ext3|*.jffs2)
+               *.squashfs|*.ext2|*.ext3|*.ext4|*.jffs2)
                        echo $(setup_loop "${1}" "loop" "/sys/block/loop*" '0' "${LIVE_MEDIA_ENCRYPTION}" "${2}")
                        ;;
 
@@ -564,6 +579,7 @@ mount_images_in_directory ()
        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
@@ -904,7 +920,7 @@ find_snap ()
        if [ "${PERSISTENT}" != "nofiles" ]
        then
                # search for image files
-               snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snap_label}.jffs2")
+               snapdata=$(find_files "${snap_label}.squashfs ${snap_label}.cpio.gz ${snap_label}.ext2 ${snap_label}.ext3 ${snal_label}.ext4 ${snap_label}.jffs2")
        fi
 
        if [ -z "${snapdata}" ]
@@ -936,9 +952,9 @@ try_snap ()
                        break
                fi
 
-               if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|jffs2\)'
+               if echo "${snapfile}" | grep -qs '\(squashfs\|ext2\|ext3\|ext4\|jffs2\)'
                then
-                       # squashfs, jffs2 or ext2/ext3 snapshot
+                       # squashfs, jffs2 or ext2/ext3/ext4 snapshot
                        dev=$(get_backing_device "${snapback}/${snapfile}")
 
                        do_snap_copy "${dev}" "${snap_mount}" "${snap_type}"
@@ -1043,7 +1059,7 @@ setup_unionfs ()
                done
        else
                # ${MODULE}.module does not exist, create a list of images
-               for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+               for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
                do
                        for IMAGE in "${image_directory}"/*."${FILESYSTEM}"
                        do
@@ -1056,7 +1072,7 @@ setup_unionfs ()
 
                if [ -n "${addimage_directory}" ] && [ -d "${addimage_directory}" ]
                then
-                       for FILESYSTEM in squashfs ext2 ext3 xfs jffs2 dir
+                       for FILESYSTEM in squashfs ext2 ext3 ext4 xfs jffs2 dir
                        do
                                for IMAGE in "${addimage_directory}"/*."${FILESYSTEM}"
                                do
@@ -1080,6 +1096,12 @@ setup_unionfs ()
        do
                imagename=$(basename "${image}")
 
+               export image devname
+               maybe_break live-realpremount
+               log_begin_msg "Running /scripts/live-realpremount"
+               run_scripts /scripts/live-realpremount
+               log_end_msg
+
                if [ -d "${image}" ]
                then
                        # it is a plain directory: do nothing
@@ -1174,7 +1196,7 @@ setup_unionfs ()
                root_snapdata=$(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|jffs2 snapshot types.
+               # ext2|ext3|ext4|jffs2 snapshot types.
                home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}")
 
                if [ -b "${cowprobe}" ]
@@ -1237,8 +1259,12 @@ setup_unionfs ()
                mount --bind ${exposedrootfs} ${rootmnt} || \
                        panic "bind mount of ${exposedrootfs} failed"
 
-               cow_dirs='/var/tmp /var/lock /var/run /var/log /var/spool
-                       /home /var/lib/live'
+               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}
@@ -1402,6 +1428,7 @@ find_livefs ()
                elif [ "${fstype}" = "squashfs" -o \
                        "${fstype}" = "ext2" -o \
                        "${fstype}" = "ext3" -o \
+                       "${fstype}" = "ext4" -o \
                        "${fstype}" = "jffs2" ]
                then
                        # This is an ugly hack situation, the block device has
@@ -1426,6 +1453,32 @@ set_usplash_timeout ()
        fi ; fi
 }
 
+integrity_check ()
+{
+       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
+               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
@@ -1492,6 +1545,11 @@ 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"
@@ -1519,7 +1577,7 @@ mountroot ()
        log_end_msg
 
        maybe_break live-bottom
-       log_begin_msg "Running /scripts/live-bottom"
+       log_begin_msg "Running /scripts/live-bottom\n"
 
        run_scripts /scripts/live-bottom
        log_end_msg