panic "overlay needs at least one lower filesystem (read-only branch)."
fi
unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}"
- # Ref: kiwi from OpenSuse kiwi-7.02.18-1.1
- # overlayfs in version >= v22 behaves differently
- # + renamed from overlayfs to overlay
- # + requires a workdir to become mounted
- # + requires workdir and upperdir to reside under the same mount
- # + requires workdir and upperdir to be in separate subdirs
+ # overlayfs requires:
+ # + 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 ${unionrw}/work
unionmountopts="-o noatime,lowerdir=${unionro},upperdir=${unionrw}/rw,workdir=${unionrw}/work"