X-Git-Url: http://git.grml.org/?a=blobdiff_plain;f=components%2F9990-misc-helpers.sh;h=c7a82fb60e5ae36970c2ca8931c7010008dd8127;hb=51f4b9d56200bec4e3e8ca8a209cf84f75308b82;hp=75338e06a9ee4fa03580e585d5003a37ede32740;hpb=d825b74dd44ee4f58f5eb45f468e3cc7c273dfb2;p=live-boot-grml.git

diff --git a/components/9990-misc-helpers.sh b/components/9990-misc-helpers.sh
index 75338e0..c7a82fb 100755
--- a/components/9990-misc-helpers.sh
+++ b/components/9990-misc-helpers.sh
@@ -15,6 +15,42 @@ is_live_path()
 	return 1
 }
 
+grml_match_bootid()
+{
+	path="$1"
+
+	if [ -n "$IGNORE_BOOTID" ] ; then
+		echo " * Ignoring verification of bootid.txt as requested via ignore_bootid.">>/boot.log
+		return 0
+	fi
+
+	if [ -n "$BOOTID" ] && ! [ -r "${path}/conf/bootid.txt" ] ; then
+		echo "  * Warning: bootid=... specified but no bootid.txt found on currently requested device.">>/boot.log
+		return 1
+	fi
+
+	[ -r "${path}/conf/bootid.txt" ] || return 0
+
+	bootid_conf=$(cat "${path}/conf/bootid.txt")
+
+	if [ -z "$BOOTID" -a -z "$IGNORE_BOOTID" ]
+	then
+		echo " * Warning: bootid.txt found but ignore_bootid / bootid=.. bootoption missing...">>/boot.log
+		return 1
+	fi
+
+	if [ "$BOOTID" = "$bootid_conf" ]
+	then
+		echo " * Successfully verified /conf/bootid.txt from ISO, continuing... ">>/boot.log
+	else
+		echo " * Warning: BOOTID of ISO does not match. Retrying and continuing search...">>/boot.log
+		return 1
+	fi
+
+	return 0
+}
+
+
 matches_uuid ()
 {
 	if [ "${IGNORE_UUID}" ] || [ ! -e /conf/uuid.conf ]
@@ -259,7 +295,7 @@ check_dev ()
 		fi
 
 		if is_live_path ${mountpoint} && \
-			([ "${skip_uuid_check}" ] || matches_uuid ${mountpoint})
+			([ "${skip_uuid_check}" ] || grml_match_bootid ${mountpoint})
 		then
 			echo ${mountpoint}
 			return 0
@@ -355,19 +391,6 @@ find_livefs ()
 					return 0
 				fi
 			done
-		elif [ "${fstype}" = "squashfs" -o \
-			"${fstype}" = "btrfs" -o \
-			"${fstype}" = "ext2" -o \
-			"${fstype}" = "ext3" -o \
-			"${fstype}" = "ext4" -o \
-			"${fstype}" = "jffs2" ]
-		then
-			# This is an ugly hack situation, the block device has
-			# an image directly on it.  It's hopefully
-			# live-boot, so take it and run with it.
-			ln -s "${devname}" "${devname}.${fstype}"
-			echo "${devname}.${fstype}"
-			return 0
 		fi
 	done
 
@@ -780,7 +803,7 @@ mount_persistence_media ()
 		then
 			mount_opts="ro,noatime"
 		fi
-		if mount -t "${fstype}" -o "${mount_opts}" "${device}" "${backing}" >/dev/null
+		if mount -t "${fstype}" -o "${mount_opts}" "${device}" "${backing}" >/dev/null 2>&1
 		then
 			echo ${backing}
 			return 0
@@ -1383,8 +1406,8 @@ do_union ()
 			# + a workdir to become mounted
 			# + workdir and upperdir to reside under the same mount
 			# + workdir and upperdir to be in separate directories
-			mkdir "${unionrw}/rw"
-			mkdir "${unionrw}/work"
+			mkdir -p "${unionrw}/rw"
+			mkdir -p "${unionrw}/work"
 			unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work"
 			;;
 	esac