X-Git-Url: https://git.grml.org/?a=blobdiff_plain;f=scripts%2Flive;h=16a54c2059206d6750fd69acd2a46048dfa15ca3;hb=f197369a2f2a0078e58b869f5884254d138e5894;hp=d4b253b42b4542e7286ecfbad39aadbae00e5e5c;hpb=f0f15ab19131e85bfcef40189b9542fb294c3082;p=live-boot-grml.git

diff --git a/scripts/live b/scripts/live
index d4b253b..16a54c2 100755
--- a/scripts/live
+++ b/scripts/live
@@ -79,6 +79,9 @@ Arguments ()
 				export USERFULLNAME LIVECONF
 				;;
 
+			ignore_uuid)
+				IGNORE_UUID="Yes" ;;
+
 			ip=*)
 				STATICIP="${ARGUMENT#ip=}"
 
@@ -336,6 +339,11 @@ Arguments ()
 				export SHOWMOUNTS
 				;;
 
+			textonly)
+				TEXTONLY="Yes"
+				export TEXTONLY
+				;;
+
 			timezone=*)
 				TIMEZONE="${ARGUMENT#timezone=}"
 				export TIMEZONE
@@ -429,6 +437,22 @@ 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 "$mountpoint/.disk/casper-uuid"*; do
+        [ -e "$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 "${1}" in
@@ -727,7 +751,7 @@ do_snap_copy ()
 		if [ -n "${fstype}" ]
 		then
 			# Copying stuff...
-			mount -t "${fstype}" -o ro "${fromdev}" "${tomount}"
+			mount -t "${fstype}" -o ro,noatime,nodiratime "${fromdev}" "${tomount}"
 			cp -a "${tomount}"/* ${todir}
 			umount "${tomount}"
 		else
@@ -853,13 +877,13 @@ setup_unionfs ()
 	then
 		for IMAGE in $(cat ${image_directory}/filesystem.${MODULE}.module)
 		do
-			image_string="${image_string} ${image_directory}/${image}"
+			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}"
+			image_string="${image_string} ${image_directory}/${IMAGE}"
 		done
 	else
 		# ${MODULE}.module does not exist, create a list of images
@@ -903,7 +927,7 @@ setup_unionfs ()
 
 			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} ${rofslist}"
+			mount -t "${fstype}" -o ro,noatime,nodiratime "${backdev}" "${croot}/${imagename}" || panic "Can not mount ${backdev} (${image}) on ${croot}/${imagename}" && rofsstring="${croot}/${imagename}=${roopt}:${rofsstring}" && rofslist="${croot}/${imagename} ${rofslist}"
 		fi
 	done
 
@@ -927,9 +951,9 @@ setup_unionfs ()
 		fi
 	fi
 
-	mount ${cowdevice} -t ${cow_fstype} -o rw /cow || panic "Can not mount ${cowdevice} on /cow"
+	mount ${cowdevice} -t ${cow_fstype} -o rw,noatime,nodiratime /cow || panic "Can not mount ${cowdevice} on /cow"
 
-	mount -t ${UNIONTYPE} -o dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "${UNIONTYPE} mount failed"
+	mount -t ${UNIONTYPE} -o noatime,nodiratime,dirs=/cow=rw:${rofsstring} ${UNIONTYPE} "${rootmnt}" || panic "${UNIONTYPE} mount failed"
 
 	# Adding other custom mounts
 	if [ -n "${PERSISTENT}" ]
@@ -940,7 +964,7 @@ setup_unionfs ()
 
 		if [ -b "${homecow}" ]
 		then
-			mount -t $(get_fstype "${homecow}") -o rw "${homecow}" "${rootmnt}/home"
+			mount -t $(get_fstype "${homecow}") -o rw,noatime,nodiratime "${homecow}" "${rootmnt}/home"
 			export HOMEMOUNTED=1 # used to proper calculate free space in do_snap_copy()
 		else
 			[ "${quiet}" != "y" ] && log_warning_msg "Unable to find the persistent home medium"
@@ -978,6 +1002,7 @@ check_dev ()
 {
 	sysdev="${1}"
 	devname="${2}"
+	skip_uuid_check="${3}"
 
 	if [ -z "${devname}" ]
 	then
@@ -994,10 +1019,11 @@ check_dev ()
 
 	if is_supported_fs ${fstype}
 	then
-		mount -t ${fstype} -o ro "${devname}" ${mountpoint} || continue
+		mount -t ${fstype} -o ro,noatime,nodiratime "${devname}" ${mountpoint} || continue
 
 		if is_live_path ${mountpoint}
-		then
+		if is_live_path $mountpoint && \
+			([ "$skip_uuid_check" ] || matches_uuid $mountpoint); then
 			echo ${mountpoint}
 			return 0
 		else
@@ -1020,7 +1046,7 @@ find_livefs ()
 	# first look at the one specified in the command line
 	if [ ! -z "${LIVE_MEDIA}" ]
 	then
-		if check_dev "null" "${LIVE_MEDIA}"
+		if check_dev "null" "${LIVE_MEDIA}" "skip_uuid_check"
 		then
 			return 0
 		fi