dockerfile: detect zstd archive contexts - #7069
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Approved but check this https://github.com/moby/go-archive/blame/main/compression/compression_detect.go#L49-L65
Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>
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good catch, added zstd skippable frames detection as well. |
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picked from #7034 (comment)
This adds zstd to Dockerfile archive context detection so zstd-compressed tar archives are recognized the same way as gzip, bzip2, xz, and uncompressed tar archives. The Dockerfile frontend now advertises this behavior with a dedicated frontend capability.