DO NOT REPLY [Bug 7108] New: --fake-super should be nestable

[samba-bugs]

https://bugzilla.samba.org/show_bug.cgi?id=7108

           Summary: --fake-super should be nestable
           Product: rsync
           Version: 3.1.0
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: core
        AssignedTo: way...@samba.org
        ReportedBy: m...@mattmccutchen.net
         QAContact: rsync...@samba.org
 BugsThisDependsOn: 7095


The fake-super emulation layer should be nestable, i.e., rsync with
--fake-super should be able to correctly backup and restore a tree that itself
contains fake-super information.  For example, after the following commands,
"file4" should have the same privileged attributes as "file":

rsync -aX -M--fake-super file file1
rsync -aX -M--fake-super file1 file2
rsync -aX --fake-super file2 file3
rsync -aX --fake-super file3 file4

One simple way to wrap a fake-super xattr for storing in another fake-super
tree would be to add an extra "rsync." prefix.

Note that symlink munging, rsync's other feature that could be described as a
emulation layer, is nestable.


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