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mtree: prepend "./" to all entries other than "." #267

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mtree: prepend "./" to all entries other than "." #267

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Commits on Jun 5, 2023

  1. mtree: prepend "./" to all entries other than "." 

    casync attempts to output all entries as a Full entry but for top-level
entries, there is no "/" in the escaped pathname, resulting in the entry
being treated as a Relative entry.

As per the specification[1], this results in any subsequent Relative
entries (such as top-level files) being treated as children of the
directory which causes manifests produced by casync to fail.

The simplest solution (and the one that "nmtree -C" does) is to prefix
every path with "./". However, nmtree does not like "./." (internally it
requires every entry referenced in an Full entry's path to already have
been referenced in the spec) and so we have to special-case the "."
path.

[1]: https://man.netbsd.org/mtree.5

Ref: vbatts/go-mtree#146
Signed-off-by: Aleksa Sarai <[email protected]>
    @cyphar
    cyphar committed Jun 5, 2023
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