Using 'persistence' (noun) rather than 'persistent' (adjective/adverb) everywhere.

3 files changed, 103 insertions, 103 deletions

diff --git a/scripts/live b/scripts/live
index 62f7df5..46407c1 100755
--- a/scripts/live
+++ b/scripts/live
@@ -799,7 +799,7 @@ try_snap ()
 		return 1
 	fi
 
-	if [ -z ${PERSISTENT_READONLY} ]
+	if [ -z ${PERSISTENCE_READONLY} ]
 	then
 		echo "export ${snap_type}SNAP=${snap_relpath}:${snapdev}:${snapfile}" >> snapshot.conf # for resync on reboot/halt
 	fi
@@ -954,8 +954,8 @@ setup_unionfs ()
 
 	mkdir -p /overlay
 
-	# Looking for persistent devices or files
-	if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+	# Looking for persistence devices or files
+	if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
 	then
 
 		if [ -z "${QUICKUSBMODULES}" ]
@@ -985,7 +985,7 @@ setup_unionfs ()
 			done
 		fi
 
-		case "${PERSISTENT_MEDIA}" in
+		case "${PERSISTENCE_MEDIA}" in
 			removable)
 				whitelistdev="$(removable_dev)"
 				;;
@@ -997,12 +997,12 @@ setup_unionfs ()
 				;;
 		esac
 
-		if echo ${PERSISTENT_METHOD} | grep -qe "\<overlay\>"
+		if echo ${PERSISTENCE_METHOD} | grep -qe "\<overlay\>"
 		then
 			overlays="${root_overlay_label} ${old_root_overlay_label} ${old_home_overlay_label} ${custom_overlay_label}"
 		fi
 
-		if echo ${PERSISTENT_METHOD} | grep -qe "\<snapshot\>"
+		if echo ${PERSISTENCE_METHOD} | grep -qe "\<snapshot\>"
 		then
 			snapshots="${root_snapshot_label} ${home_snapshot_label}"
 		fi
@@ -1011,7 +1011,7 @@ setup_unionfs ()
 		local home_snapshot_label=""
 		local root_overlay_label=""
 		local overlay_devices=""
-		for media in $(find_persistent_media "${overlays}" "${snapshots}" "${whitelistdev}")
+		for media in $(find_persistence_media "${overlays}" "${snapshots}" "${whitelistdev}")
 		do
 			media="$(echo ${media} | tr ":" " ")"
 			case ${media} in
@@ -1056,19 +1056,19 @@ setup_unionfs ()
 
 			cowdevice=${root_overlay_device}
 			cow_fstype=$(get_fstype "${root_overlay_device}")
-			if [ -z "${PERSISTENT_READONLY}" ]
+			if [ -z "${PERSISTENCE_READONLY}" ]
 			then
 				cow_mountopt="rw,noatime"
 			else
 				cow_mountopt="ro,noatime"
 			fi
 
-			if [ "${FORCEPERSISTENTFSCK}" = "Yes" ]
+			if [ "${FORCEPERSISTENCEFSCK}" = "Yes" ]
 			then
 				fsck -y ${cowdevice}
 			fi
 		fi
-	elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENT}" ]
+	elif [ -n "${NFS_COW}" ] && [ -z "${NOPERSISTENCE}" ]
 	then
 		# check if there are any nfs options
 		if echo ${NFS_COW}|grep -q ','
@@ -1080,7 +1080,7 @@ setup_unionfs ()
 			nfs_cow=${NFS_COW}
 		fi
 
-		if [ -n "${PERSISTENT_READONLY}" ]
+		if [ -n "${PERSISTENCE_READONLY}" ]
 		then
 			nfs_cow_opts="${nfs_cow_opts},nocto,ro"
 		fi
@@ -1104,10 +1104,10 @@ setup_unionfs ()
 
 	if [ "${UNIONTYPE}" != "unionmount" ]
 	then
-		if [ -n "${PERSISTENT_READONLY}" ]
+		if [ -n "${PERSISTENCE_READONLY}" ]
 		then
 			mount -t tmpfs -o rw,noatime,mode=755 tmpfs "/overlay"
-			root_backing="${rootmnt}/live/persistent/$(basename ${cowdevice})-root"
+			root_backing="${rootmnt}/live/persistence/$(basename ${cowdevice})-root"
 			mkdir -p ${root_backing}
 		else
 			root_backing="/overlay"
@@ -1160,14 +1160,14 @@ setup_unionfs ()
 		mkdir -p ${unionmountpoint}
 		if [ "${UNIONTYPE}" = "unionmount" ]
 		then
-			# FIXME: handle PERSISTENT_READONLY
+			# FIXME: handle PERSISTENCE_READONLY
 			unionmountopts="-t ${cow_fstype} -o noatime,union,${cow_mountopt} ${cowdevice}"
 			mount_full $unionmountopts "${unionmountpoint}"
 		else
 			cow_dir="/overlay${dir}"
 			rofs_dir="${rofs}${dir}"
 			mkdir -p ${cow_dir}
-			if [ -n "${PERSISTENT_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
+			if [ -n "${PERSISTENCE_READONLY}" ] && [ "${cowdevice}" != "tmpfs" ]
 			then
 				#mount -t tmpfs -o rw,noatime,mode=755 tmpfs "${cow_dir}"
 				do_union ${unionmountpoint} ${cow_dir} ${root_backing} ${rofs_dir}
@@ -1188,7 +1188,7 @@ setup_unionfs ()
 	live_rofs_list=""
 	# SHOWMOUNTS is necessary for custom mounts with the union option
 	# Since we may want to do custom mounts in user-space it's best to always enable SHOWMOUNTS
-	if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ] 1)
+	if true #[ -n "${SHOWMOUNTS}" ] || ( [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ] 1)
 	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}
@@ -1214,8 +1214,8 @@ setup_unionfs ()
 		done
 	fi
 
-	# Adding custom persistent
-	if [ -n "${PERSISTENT}" ] && [ -z "${NOPERSISTENT}" ]
+	# Adding custom persistence
+	if [ -n "${PERSISTENCE}" ] && [ -z "${NOPERSISTENCE}" ]
 	then
 		local custom_mounts="/tmp/custom_mounts.list"
 		rm -rf ${custom_mounts} 2> /dev/null
@@ -1223,7 +1223,7 @@ setup_unionfs ()
 		# Gather information about custom mounts from devies detected as overlays
 		get_custom_mounts ${custom_mounts} ${overlay_devices}
 
-		[ -n "${DEBUG}" ] && cp ${custom_mounts} "${rootmnt}/live/persistent"
+		[ -n "${DEBUG}" ] && cp ${custom_mounts} "${rootmnt}/live/persistence"
 
 		# Now we do the actual mounting (and symlinking)
 		local used_overlays=""
@@ -1235,7 +1235,7 @@ setup_unionfs ()
 		do
 			if echo ${used_overlays} | grep -qve "^\(.* \)\?${device}\( .*\)\?$"
 			then
-				close_persistent_media ${overlay}
+				close_persistence_media ${overlay}
 			fi
 		done
 
diff --git a/scripts/live-bottom/08persistence_excludes b/scripts/live-bottom/08persistence_excludes
index 43639f9..633f6ac 100755
--- a/scripts/live-bottom/08persistence_excludes
+++ b/scripts/live-bottom/08persistence_excludes
@@ -26,7 +26,7 @@ esac
 
 # live-boot header
 
-if [ -z "${PERSISTENT}" ] || [ -n "${NOPERSISTENT}" ] || [ -z "${PERSISTENCE_IS_ON}" ] || [ ! -f /root/etc/live-persistence.binds ]
+if [ -z "${PERSISTENCE}" ] || [ -n "${NOPERSISTENCE}" ] || [ -z "${PERSISTENCE_IS_ON}" ] || [ ! -f /root/etc/live-persistence.binds ]
 then
 	exit 0
 fi
diff --git a/scripts/live-helpers b/scripts/live-helpers
index 9fea5a6..40058e9 100644
--- a/scripts/live-helpers
+++ b/scripts/live-helpers
@@ -89,9 +89,9 @@ Arguments ()
 				export FETCH
 				;;
 
-			forcepersistentfsck)
-				FORCEPERSISTENTFSCK="Yes"
-				export FORCEPERSISTENTFSCK
+			forcepersistencefsck)
+				FORCEPERSISTENCEFSCK="Yes"
+				export FORCEPERSISTENCEFSCK
 				;;
 
 			ftpfs=*)
@@ -222,52 +222,52 @@ Arguments ()
 				export SWAPON
 				;;
 
-			persistent)
-				PERSISTENT="Yes"
-				export PERSISTENT
+			persistence)
+				PERSISTENCE="Yes"
+				export PERSISTENCE
 				;;
 
-			persistent-encryption=*)
-				PERSISTENT_ENCRYPTION="${ARGUMENT#*=}"
-				export PERSISTENT_ENCRYPTION
+			persistence-encryption=*)
+				PERSISTENCE_ENCRYPTION="${ARGUMENT#*=}"
+				export PERSISTENCE_ENCRYPTION
 				;;
 
-			persistent-media=*)
-				PERSISTENT_MEDIA="${ARGUMENT#*=}"
-				export PERSISTENT_MEDIA
+			persistence-media=*)
+				PERSISTENCE_MEDIA="${ARGUMENT#*=}"
+				export PERSISTENCE_MEDIA
 				;;
-			persistent-method=*)
-				PERSISTENT_METHOD="${ARGUMENT#*=}"
-				export PERSISTENT_METHOD
+			persistence-method=*)
+				PERSISTENCE_METHOD="${ARGUMENT#*=}"
+				export PERSISTENCE_METHOD
 				;;
 
-			persistent-path=*)
-				PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
-				export PERSISTENT_PATH
+			persistence-path=*)
+				PERSISTENCE_PATH="${ARGUMENT#persistence-path=}"
+				export PERSISTENCE_PATH
 				;;
-			persistent-read-only)
-				PERSISTENT_READONLY="Yes"
-				export PERSISTENT_READONLY
+			persistence-read-only)
+				PERSISTENCE_READONLY="Yes"
+				export PERSISTENCE_READONLY
 				;;
 
-			persistent-storage=*)
-				PERSISTENT_STORAGE="${ARGUMENT#persistent-storage=}"
-				export PERSISTENT_STORAGE
+			persistence-storage=*)
+				PERSISTENCE_STORAGE="${ARGUMENT#persistence-storage=}"
+				export PERSISTENCE_STORAGE
 				;;
 
-			persistent-subtext=*)
-				root_overlay_label="${root_overlay_label}-${ARGUMENT#persistent-subtext=}"
-				old_root_overlay_label="${old_root_overlay_label}-${ARGUMENT#persistent-subtext=}"
-				old_home_overlay_label="${old_home_overlay_label}-${ARGUMENT#persistent-subtext=}"
-				custom_overlay_label="${custom_overlay_label}-${ARGUMENT#persistent-subtext=}"
-				root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
-				old_root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistent-subtext=}"
-				home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistent-subtext=}"
+			persistence-subtext=*)
+				root_overlay_label="${root_overlay_label}-${ARGUMENT#persistence-subtext=}"
+				old_root_overlay_label="${old_root_overlay_label}-${ARGUMENT#persistence-subtext=}"
+				old_home_overlay_label="${old_home_overlay_label}-${ARGUMENT#persistence-subtext=}"
+				custom_overlay_label="${custom_overlay_label}-${ARGUMENT#persistence-subtext=}"
+				root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}"
+				old_root_snapshot_label="${root_snapshot_label}-${ARGUMENT#persistence-subtext=}"
+				home_snapshot_label="${home_snapshot_label}-${ARGUMENT#persistence-subtext=}"
 				;;
 
-			nopersistent)
-				NOPERSISTENT="Yes"
-				export NOPERSISTENT
+			nopersistence)
+				NOPERSISTENCE="Yes"
+				export NOPERSISTENCE
 				;;
 
 			noprompt)
@@ -381,37 +381,37 @@ Arguments ()
 		export UNIONTYPE
 	fi
 
-	if [ -z "${PERSISTENT_ENCRYPTION}" ]
+	if [ -z "${PERSISTENCE_ENCRYPTION}" ]
 	then
-		PERSISTENT_ENCRYPTION="none"
-		export PERSISTENT_ENCRYPTION
-	elif echo ${PERSISTENT_ENCRYPTION} | grep -qe "\<luks\>"
+		PERSISTENCE_ENCRYPTION="none"
+		export PERSISTENCE_ENCRYPTION
+	elif echo ${PERSISTENCE_ENCRYPTION} | grep -qe "\<luks\>"
 	then
 		if ! modprobe dm-crypt
 		then
 			log_warning_msg "Unable to load module dm-crypt"
-			PERSISTENT_ENCRYPTION=$(echo ${PERSISTENT_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
-			export PERSISTENT_ENCRYPTION
+			PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
+			export PERSISTENCE_ENCRYPTION
 		fi
 
 		if [ ! -x /lib/cryptsetup/askpass ] || [ ! -x /sbin/cryptsetup ]
 		then
 			log_warning_msg "cryptsetup in unavailable"
-			PERSISTENT_ENCRYPTION=$(echo ${PERSISTENT_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
-			export PERSISTENT_ENCRYPTION
+			PERSISTENCE_ENCRYPTION=$(echo ${PERSISTENCE_ENCRYPTION} | sed -e 's/\<luks,\|,\?luks$//g')
+			export PERSISTENCE_ENCRYPTION
 		fi
 	fi
 
-	if [ -z "${PERSISTENT_METHOD}" ]
+	if [ -z "${PERSISTENCE_METHOD}" ]
 	then
-		PERSISTENT_METHOD="snapshot,overlay"
-		export PERSISTENT_METHOD
+		PERSISTENCE_METHOD="snapshot,overlay"
+		export PERSISTENCE_METHOD
 	fi
 
-	if [ -z "${PERSISTENT_STORAGE}" ]
+	if [ -z "${PERSISTENCE_STORAGE}" ]
 	then
-		PERSISTENT_STORAGE="filesystem,file"
-		export PERSISTENT_STORAGE
+		PERSISTENCE_STORAGE="filesystem,file"
+		export PERSISTENCE_STORAGE
 	fi
 }
 
@@ -737,7 +737,7 @@ try_mount ()
 	fi
 }
 
-mount_persistent_media ()
+mount_persistence_media ()
 {
 	local device=${1}
 	local backing=""
@@ -748,7 +748,7 @@ mount_persistent_media ()
 	then
 		backing="/$(basename ${device})-backing"
 	else
-		backing="${rootmnt}/live/persistent/$(basename ${device})"
+		backing="${rootmnt}/live/persistence/$(basename ${device})"
 	fi
 
 	mkdir -p "${backing}"
@@ -757,7 +757,7 @@ mount_persistent_media ()
 	then
 		local fstype="$(get_fstype ${device})"
 		local mount_opts="rw,noatime"
-		if [ -n "${PERSISTENT_READONLY}" ]
+		if [ -n "${PERSISTENCE_READONLY}" ]
 		then
 			mount_opts="ro,noatime"
 		fi
@@ -766,7 +766,7 @@ mount_persistent_media ()
 			echo ${backing}
 			return 0
 		else
-			log_warning_msg "Failed to mount persistent media ${device}"
+			log_warning_msg "Failed to mount persistence media ${device}"
 			return 1
 		fi
 	elif [ "${backing}" != "${old_backing}" ]
@@ -776,14 +776,14 @@ mount_persistent_media ()
 			echo ${backing}
 			return 0
 		else
-			log_warning_msg "Failed to move persistent media ${device}"
+			log_warning_msg "Failed to move persistence media ${device}"
 			return 1
 		fi
 	fi
 	return 0
 }
 
-close_persistent_media () {
+close_persistence_media () {
 	local device=${1}
 	local backing="$(where_is_mounted ${device})"
 
@@ -804,7 +804,7 @@ open_luks_device ()
 	dev="${1}"
 	name="$(basename ${dev})"
 	opts="--key-file=-"
-	if [ -n "${PERSISTENT_READONLY}" ]
+	if [ -n "${PERSISTENCE_READONLY}" ]
 	then
 		opts="${opts} --readonly"
 	fi
@@ -912,7 +912,7 @@ probe_for_file_name ()
 	local dev="${3}"
 
 	local ret=""
-	local backing="$(mount_persistent_media ${dev})"
+	local backing="$(mount_persistence_media ${dev})"
 	if [ -z "${backing}" ]
 	then
 	    return
@@ -920,7 +920,7 @@ probe_for_file_name ()
 
 	for label in ${overlays}
 	do
-		path=${backing}/${PERSISTENT_PATH}${label}
+		path=${backing}/${PERSISTENCE_PATH}${label}
 		if [ -f "${path}" ]
 		then
 			local loopdev=$(setup_loop "${path}" "loop" "/sys/block/loop*")
@@ -931,7 +931,7 @@ probe_for_file_name ()
 	do
 		for ext in squashfs cpio.gz ext2 ext3 ext4 jffs2
 		do
-			path="${PERSISTENT_PATH}${label}.${ext}"
+			path="${PERSISTENCE_PATH}${label}.${ext}"
 			if [ -f "${backing}/${path}" ]
 			then
 				ret="${ret} ${label}=${dev}:${backing}:${path}"
@@ -947,7 +947,7 @@ probe_for_file_name ()
 	fi
 }
 
-find_persistent_media ()
+find_persistence_media ()
 {
 	# Scans devices for overlays and snapshots, and returns a whitespace
 	# separated list of how to use them. Only overlays with a partition
@@ -955,7 +955,7 @@ find_persistent_media ()
 	# snapshots with labels in ${snapshots}.
 	#
 	# When scanning a LUKS device, the user will be asked to enter the
-	# passphrase; on failure to enter it, or if no persistent partitions
+	# passphrase; on failure to enter it, or if no persistence partitions
 	# or files were found, the LUKS device is closed.
 	#
 	# For a snapshot file the return value is ${label}=${snapdata}", where
@@ -984,7 +984,7 @@ find_persistent_media ()
 		# in order to probe any filesystem it contains, like we do
 		# below. activate_custom_mounts() also depends on that any luks
 		# device already has been opened.
-		if echo ${PERSISTENT_ENCRYPTION} | grep -qe "\<luks\>" && \
+		if echo ${PERSISTENCE_ENCRYPTION} | grep -qe "\<luks\>" && \
 		   is_luks_partition ${dev}
 		then
 			if luks_device=$(open_luks_device "${dev}")
@@ -994,14 +994,14 @@ find_persistent_media ()
 				# skip $dev since we failed/chose not to open it
 				continue
 			fi
-		elif echo ${PERSISTENT_ENCRYPTION} | grep -qve "\<none\>"
+		elif echo ${PERSISTENCE_ENCRYPTION} | grep -qve "\<none\>"
 		then
 			# skip $dev since we don't allow unencrypted storage
 			continue
 		fi
 
 		# Probe for matching GPT partition names or filesystem labels
-		if echo ${PERSISTENT_STORAGE} | grep -qe "\<filesystem\>"
+		if echo ${PERSISTENCE_STORAGE} | grep -qe "\<filesystem\>"
 		then
 			result=$(probe_for_gpt_name "${overlays}" "${snapshots}" ${dev})
 			if [ -n "${result}" ]
@@ -1019,7 +1019,7 @@ find_persistent_media ()
 		fi
 
 		# Probe for files with matching name on mounted partition
-		if echo ${PERSISTENT_STORAGE} | grep -qe "\<file\>"
+		if echo ${PERSISTENCE_STORAGE} | grep -qe "\<file\>"
 		then
 			result=$(probe_for_file_name "${overlays}" "${snapshots}" ${dev})
 			if [ -n "${result}" ]
@@ -1261,7 +1261,7 @@ do_union ()
 
 get_custom_mounts ()
 {
-	# Side-effect: leaves $devices with live.persist mounted in ${rootmnt}/live/persistent
+	# Side-effect: leaves $devices with live.persist mounted in ${rootmnt}/live/persistence
 	# Side-effect: prints info to file $custom_mounts
 
 	local custom_mounts=${1}
@@ -1280,7 +1280,7 @@ get_custom_mounts ()
 		fi
 
 		local device_name="$(basename ${device})"
-		local backing=$(mount_persistent_media ${device})
+		local backing=$(mount_persistence_media ${device})
 		if [ -z "${backing}" ]
 		then
 			continue
@@ -1294,7 +1294,7 @@ get_custom_mounts ()
 
 		if [ -n "${DEBUG}" ] && [ -e "${include_list}" ]
 		then
-			cp ${include_list} ${rootmnt}/live/persistent/${persistence_list}.${device_name}
+			cp ${include_list} ${rootmnt}/live/persistence/${persistence_list}.${device_name}
 		fi
 
 		while read dir options # < ${include_list}
@@ -1374,7 +1374,7 @@ get_custom_mounts ()
 	do
 		if echo ${source} | grep -qe "^${prev_source}\(/.*\)\?$"
 		then
-			panic "Two persistent mounts have the same or nested sources: ${source} on ${dest}, and ${prev_source} on ${prev_dest}"
+			panic "Two persistence mounts have the same or nested sources: ${source} on ${dest}, and ${prev_source} on ${prev_dest}"
 		fi
 		prev_source=${source}
 		prev_dest=${dest}
@@ -1440,13 +1440,13 @@ activate_custom_mounts ()
 			done
 		fi
 
-		# if ${source} doesn't exist on our persistent media
+		# if ${source} doesn't exist on our persistence media
 		# we bootstrap it with $dest from the live filesystem.
 		# this both makes sense and is critical if we're
 		# dealing with /etc or other system dir.
 		if [ ! -d "${source}" ]
 		then
-			if [ -n "${PERSISTENT_READONLY}" ]
+			if [ -n "${PERSISTENCE_READONLY}" ]
 			then
 				continue
 			elif [ -n "${opt_union}" ] || [ -n "${opt_linkfiles}" ]
@@ -1486,13 +1486,13 @@ activate_custom_mounts ()
 			done
 		fi
 
-		if [ -n "${opt_linkfiles}" ] && [ -z "${PERSISTENT_READONLY}" ]
+		if [ -n "${opt_linkfiles}" ] && [ -z "${PERSISTENCE_READONLY}" ]
 		then
 			link_files ${source} ${dest} ${rootmnt}
-		elif [ -n "${opt_linkfiles}" ] && [ -n "${PERSISTENT_READONLY}" ]
+		elif [ -n "${opt_linkfiles}" ] && [ -n "${PERSISTENCE_READONLY}" ]
 		then
-			mkdir -p ${rootmnt}/live/persistent
-			local links_source=$(mktemp -d ${rootmnt}/live/persistent/links-source-XXXXXX)
+			mkdir -p ${rootmnt}/live/persistence
+			local links_source=$(mktemp -d ${rootmnt}/live/persistence/links-source-XXXXXX)
 			chown_ref ${source} ${links_source}
 			chmod_ref ${source} ${links_source}
 			# We put the cow dir in the below strange place to
@@ -1502,24 +1502,24 @@ activate_custom_mounts ()
 			# be linked, causing breakage.
 			if [ -n "${rootmnt}" ]
 			then
-				local cow_dir="/overlay/live/persistent/$(basename ${links_source})"
+				local cow_dir="/overlay/live/persistence/$(basename ${links_source})"
 			else
 				# This is happens if persistence is activated
 				# post boot
-				local cow_dir="/live/overlay/live/persistent/$(basename ${links_source})"
+				local cow_dir="/live/overlay/live/persistence/$(basename ${links_source})"
 			fi
 			mkdir -p ${cow_dir}
 			chown_ref "${source}" "${cow_dir}"
 			chmod_ref "${source}" "${cow_dir}"
 			do_union ${links_source} ${cow_dir} ${source} ${rofs_dest_backing}
 			link_files ${links_source} ${dest} ${rootmnt}
-		elif [ -n "${opt_union}" ] && [ -z "${PERSISTENT_READONLY}" ]
+		elif [ -n "${opt_union}" ] && [ -z "${PERSISTENCE_READONLY}" ]
 		then
 			do_union ${dest} ${source} ${rofs_dest_backing}
-		elif [ -n "${opt_bind}" ] && [ -z "${PERSISTENT_READONLY}" ]
+		elif [ -n "${opt_bind}" ] && [ -z "${PERSISTENCE_READONLY}" ]
 		then
 			mount --bind "${source}" "${dest}"
-		elif [ -n "${opt_bind}" -o -n "${opt_union}" ] && [ -n "${PERSISTENT_READONLY}" ]
+		elif [ -n "${opt_bind}" -o -n "${opt_union}" ] && [ -n "${PERSISTENCE_READONLY}" ]
 		then
 			# bind-mount and union mount are handled the same
 			# in read-only mode, but note that rofs_dest_backing
@@ -1561,12 +1561,12 @@ fix_home_rw_compatibility ()
 {
 	local device=${1}
 
-	if [ -n "${PERSISTENT_READONLY}" ]
+	if [ -n "${PERSISTENCE_READONLY}" ]
 	then
 		return
 	fi
 
-	local backing="$(mount_persistent_media ${device})"
+	local backing="$(mount_persistence_media ${device})"
 	if [ -z "${backing}" ]
 	then
 		return