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e38cd466c7
Currently, we partially accept that a skeleton or a rootfs overlay be
merged:
- for unmerged, we accept all kind of situations: unmerged, partially
merged, badly merged, merged-usr or merged-bin, arbitrary relative
or absolute symlinks, and whatnots;
- for merged-usr, we strictly require a properly set up merged-usr,
and we refuse a merged-bin;
- for merged-bin, we stricty require a properly set up merged-bin.
The unmerged case is inconsistent with the other cases, especially it
allows for arbitrary symlinks that may point to arbitrary locations that
may even not belong to $(TARGET_DIR) at all...
We fix that by ensuring that the skeleton and overlays strictly adhere
to the merge-level of the configuration; i.e. for an unmerged config, we
require that the skeleton and overlays be strictly unmerged, that is,
/bin, /lib, and /sbin, and their counterparts in /usr, are actual
directories.
Thus, for all three types of merge level, the skeleton and overlays must
match the configured merge level.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Romain Naour <romain.naour@smile.fr>