PERSISTENT_MEDIA="${ARGUMENT#*=}"
export PERSISTENT_MEDIA
;;
+ persistent-method=*)
+ PERSISTENT_METHOD="${ARGUMENT#*=}"
+ export PERSISTENT_METHOD
+ ;;
persistent-path=*)
PERSISTENT_PATH="${ARGUMENT#persistent-path=}"
export UNIONTYPE
fi
+ if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_METHOD}" ]
+ then
+ PERSISTENT_METHOD="snapshot,overlay"
+ export PERSISTENT_METHOD
+ fi
+
if [ -n "${PERSISTENT}" ] && [ -z "${PERSISTENT_STORAGE}" ]
then
PERSISTENT_STORAGE="filesystem,file"
;;
esac
- # search for label and files (this could be hugely optimized)
- cowprobe=$(find_cow_device "${root_persistence}" "${blacklistdev}" "${whitelistdev}")
- if [ -b "${cowprobe}" ]
+ if echo ${PERSISTENT_METHOD} | grep -qw overlay
then
- # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
- # makes sense to have both persistence for /cow and /home mounted, maybe also with
- # snapshots to be sure to really store some e.g key config files,
- # but not on the same media
- blacklistdev="${cowprobe}"
- PERSISTENCE_IS_ON="1"
- export PERSISTENCE_IS_ON
+ # search for label and files (this could be hugely optimized)
+ cowprobe=$(find_cow_device "${root_persistence}" "${blacklistdev}" "${whitelistdev}")
+ if [ -b "${cowprobe}" ]
+ then
+ # Blacklist /cow device, to avoid inconsistent setups for overlapping snapshots
+ # makes sense to have both persistence for /cow and /home mounted, maybe also with
+ # snapshots to be sure to really store some e.g key config files,
+ # but not on the same media
+ blacklistdev="${cowprobe}"
+ PERSISTENCE_IS_ON="1"
+ export PERSISTENCE_IS_ON
+ fi
+ # homecow just mount something on /home, this should be generalized some way
+ homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}" "${whitelistdev}")
+ if [ -b "${homecow}" ]
+ then
+ PERSISTENCE_IS_ON="1"
+ export PERSISTENCE_IS_ON
+ fi
fi
- # homecow just mount something on /home, this should be generalized some way
- homecow=$(find_cow_device "${home_persistence}" "${blacklistdev}" "${whitelistdev}")
- if [ -b "${homecow}" ]
+
+ if echo ${PERSISTENT_METHOD} | grep -qw snapshot
then
- PERSISTENCE_IS_ON="1"
- export PERSISTENCE_IS_ON
+ root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}" "${whitelistdev}")
+ # This second type should be removed when snapshot will get smarter,
+ # hence when "/etc/live-snapshot*list" will be supported also by
+ # ext2|ext3|ext4|jffs2 snapshot types.
+ home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}" "${whitelistdev}")
fi
- root_snapdata=$(find_snap "${root_snapshot_label}" "${blacklistdev}" "${whitelistdev}")
- # This second type should be removed when snapshot will get smarter,
- # hence when "/etc/live-snapshot*list" will be supported also by
- # ext2|ext3|ext4|jffs2 snapshot types.
- home_snapdata=$(find_snap "${home_snapshot_label}" "${blacklistdev}" "${whitelistdev}")
if [ -b "${cowprobe}" ]
then