X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=56c0a1413cdea47a7ba63d4dadcd8db2f6e04e1b;hb=be6b1ff8961f46a2bf51811bdd536c3d90239027;hp=2b8ff0109a37e9022c763df2e1f733eb368d711e;hpb=d645cf3735a13845ef25042a1974dd72e96a64a7;p=live-boot-grml.git

diff --git a/scripts/live b/scripts/live
index 2b8ff01..56c0a14 100755
--- a/scripts/live
+++ b/scripts/live
@@ -340,6 +340,11 @@ Arguments ()
 				export PERSISTENT
 				;;
 
+			persistent-path=*)
+				PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
+				export PERSISTENT_PATH
+				;;
+
 			nopersistent)
 				NOPERSISTENT="Yes"
 				export NOPERSISTENT
@@ -386,6 +391,11 @@ Arguments ()
 				export SHOWMOUNTS
 				;;
 
+			silent)
+				SILENT="Yes"
+				export SILENT
+				;;
+
 			textonly)
 				TEXTONLY="Yes"
 				export TEXTONLY
@@ -427,6 +437,11 @@ Arguments ()
 				export PLAIN_ROOT
 				;;
 
+			skipunion)
+                                SKIP_UNION_MOUNTS="Yes"
+                                export SKIP_UNION_MOUNTS
+                                ;;
+
 			root=*)
 				ROOT="${ARGUMENT#root=}"
 				export ROOT
@@ -492,7 +507,7 @@ 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
@@ -532,7 +547,7 @@ 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}")
 			;;
 
@@ -569,6 +584,7 @@ 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
@@ -909,7 +925,7 @@ 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 "${snapdata}" ]
@@ -928,7 +944,7 @@ try_snap ()
 	snap_mount="${2}"
 	snap_type="${3}"
 
-	if [ ! -z "${snapdata}" ]
+	if [ -n "${snapdata}" ] && [ ! -b "${snapdata}" ]
 	then
 		log_success_msg "found snapshot: ${snapdata}"
 		snapdev="$(echo ${snapdata} | cut -f1 -d ' ')"
@@ -941,9 +957,9 @@ 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}"
@@ -1048,7 +1064,7 @@ 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
@@ -1061,7 +1077,7 @@ 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
@@ -1085,6 +1101,12 @@ 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 "${image}" ]
 		then
 			# it is a plain directory: do nothing
@@ -1179,7 +1201,7 @@ setup_unionfs ()
 		root_snapdata=$(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}" ]
@@ -1242,8 +1264,12 @@ 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}
@@ -1365,15 +1391,6 @@ 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}" "skip_uuid_check"
-		then
-			return 0
-		fi
-	fi
-
 	# don't start autodetection before timeout has expired
 	if [ -n "${LIVE_MEDIA_TIMEOUT}" ]
 	then
@@ -1383,6 +1400,54 @@ 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}/device | grep -q usb
+					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 $(echo /sys/block/* | tr ' ' '\n' | grep -vE "/(loop|ram|dm-|fd)")
 	do
@@ -1407,6 +1472,7 @@ find_livefs ()
 		elif [ "${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
@@ -1563,5 +1629,5 @@ mountroot ()
 	exec 1>&6 6>&-
 	exec 2>&7 7>&-
 	kill ${tailpid}
-	cp live.log "${rootmnt}/var/log/"
+	[ -w "${rootmnt}/var/log/" ] && cp live.log "${rootmnt}/var/log/" 2>/dev/null
 }