X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=scripts%2Fboot%2F9990-overlay.sh;h=55254c7c1f29a49d273914f320a194414c5b4ec4;hb=5078ff3dd0fd6b5c2d9e1606ecceb4ea5bf47946;hp=00c53c89d98f4e06e8a5628a949d93d4fbcad7da;hpb=9dac5b65e0e6aaa9e194ec5e423476c78f6209e5;p=live-boot-grml.git

diff --git a/scripts/boot/9990-overlay.sh b/scripts/boot/9990-overlay.sh
index 00c53c8..55254c7 100755
--- a/scripts/boot/9990-overlay.sh
+++ b/scripts/boot/9990-overlay.sh
@@ -343,36 +343,36 @@ setup_unionfs ()
 	# Correct the permissions of /:
 	chmod 0755 "${rootmnt}"
 
-	live_rofs_list=""
-	# SHOWMOUNTS is necessary for custom mounts with the union option
-	# Since we may want to do custom mounts in user-space it's best to always enable SHOWMOUNTS
-	if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] 1)
+	# Correct the permission of /tmp:
+	if [ -d "${rootmnt}/tmp" ]
 	then
-		# XXX: is the for loop really necessary? rofslist can only contain one item (see above XXX about EXPOSEDROOT) and this is also assumed elsewhere above (see use of $rofs above).
-		for d in ${rofslist}
-		do
-			live_rofs="/live/rofs/${d##*/}"
-			live_rofs_list="${live_rofs_list} ${live_rofs}"
-			mkdir -p "${live_rofs}"
-			case d in
-				*.dir)
-					# do nothing # mount -o bind "${d}" "${live_rofs}"
-					;;
-				*)
-					case "${UNIONTYPE}" in
-						unionfs-fuse)
-							mount -o bind "${d}" "${live_rofs}"
-							;;
-
-						*)
-							mount -o move "${d}" "${live_rofs}"
-							;;
-					esac
-					;;
-			esac
-		done
+		chmod 1777 "${rootmnt}"/tmp
 	fi
 
+	live_rofs_list=""
+	for d in ${rofslist}
+	do
+		live_rofs="/live/rofs/${d##*/}"
+		live_rofs_list="${live_rofs_list} ${live_rofs}"
+		mkdir -p "${live_rofs}"
+		case d in
+			*.dir)
+				# do nothing # mount -o bind "${d}" "${live_rofs}"
+				;;
+			*)
+				case "${UNIONTYPE}" in
+					unionfs-fuse)
+						mount -o bind "${d}" "${live_rofs}"
+						;;
+
+					*)
+						mount -o move "${d}" "${live_rofs}"
+						;;
+				esac
+				;;
+		esac
+	done
+
 	# Adding custom persistence
 	if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
 	then
@@ -399,11 +399,34 @@ setup_unionfs ()
 		done
 	fi
 
-	mkdir -p "${rootmnt}/live"
-	mount -o move /live "${rootmnt}/live" >/dev/null 2>&1 || mount -o bind /live "${rootmnt}/live" || log_warning_msg "Unable to move or bind /live to ${rootmnt}/live"
+	# make /root/lib/live writable for moving filesystems
+	mkdir -p "${rootmnt}/lib/live"
+	mount -t tmpfs tmpfs "${rootmnt}/lib/live"
+
+	# move all mountpoints to root filesystem
+	for _DIRECTORY in rofs persistence
+	do
+		if [ -d "/live/${_DIRECTORY}" ]
+		then
+			mkdir -p "${rootmnt}/lib/live/${_DIRECTORY}"
+
+			for _MOUNT in $(ls /live/${_DIRECTORY})
+			do
+				mkdir -p "${rootmnt}/lib/live/${_DIRECTORY}/${_MOUNT}"
+				mount -o move "/live/${_DIRECTORY}/${_MOUNT}" "${rootmnt}/lib/live/${_DIRECTORY}/${_MOUNT}" > /dev/null 2>&1 || \
+					mount -o bind "/live/${_DIRECTORY}/${_MOUNT}" "${rootmnt}/lib/live/${_DIRECTORY}/${_MOUNT}" || \
+					log_warning_msg "W: failed to mount /live/${_DIRECTORY}/${_MOUNT} to ${rootmnt}/lib/live/${_DIRECTORY}/${_MOUNT}"
+			done
+		fi
+	done
 
-	# shows cow fs on /overlay (FIXME: do we still need/want this? probably yes)
-	mkdir -p "${rootmnt}/live/overlay"
-	mount -o move /live/overlay "${rootmnt}/live/overlay" >/dev/null 2>&1 || mount -o bind /overlay "${rootmnt}/live/overlay" || log_warning_msg "Unable to move or bind /overlay to ${rootmnt}/live/overlay"
+	mkdir -p "${rootmnt}/lib/live/overlay"
+	mount -o move /live/overlay "${rootmnt}/lib/live/overlay" > /dev/null 2>&1 || \
+		mount -o bind /live/overlay "${rootmnt}/lib/live/overlay" || \
+		log_warning_msg "W: failed to mount /live/overlay to ${rootmnt}/lib/live/overlay"
 
+        # ensure that a potentially stray tmpfs gets removed
+        # otherways, initramfs-tools is unable to remove /live
+        # and fails to boot
+        umount /live/overlay || true
 }