bug#25220: tar-untar-buffer doesn't support symlinks

[Lars Ingebrigtsen]

npostavs@users.sourceforge.net writes:

> Severity: wishlist
>
> tar-untar-buffer silently converts symlinks into regular files.  There
> might be some portability trouble with supporting them, but at least we
> should warn about low fidelity unpacking, as in the patch below.
>
> This initially turned up as a yasnippet bug, because the package's
> tarball was using symlinks.  Of course that has to be fixed by avoiding
> symlinks (https://github.com/joaotavora/yasnippet/issues/748).

It looks like this patch was applied at the time, but the bug report
wasn't closed, so I'm doing that now.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no