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Adds support for Symlinks in all Tar decompressors #192

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Adds support for Symlinks in all Tar decompressors #192

wants to merge 1 commit into from

Commits on Jul 8, 2019

  1. Adds support for Symlinks in all Tar decompressors 

    This is useful when using Nomad's Artefact mechanisms which internally
uses `hashicorp/go-getter` to unpack Tar archives that are built from
container root file systems (*which usually contain symlinks for runtime
libraries*).

Fixes #60 and supercedes the very old PR #37

(We use a variant of this patch in our production systems and we need to
get this into upstream as soon as conveniently possible)

**NB:** This uses the
[securejoin](https://github.com/cyphar/filepath-securejoin) library to
prevent path escaping and other possible security vulnerabilities that
come with concatenating paths.
    @prologic
    prologic committed Jul 8, 2019
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