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500683a949
This patch makes `makeDecompressionSink` strip only a single layer of compression specified via method. This fixes erroneous decompression of doubly-compressed NARs fetched with curl.
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
#pragma once
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///@file
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#include "serialise.hh"
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#include "fs-sink.hh"
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#include <archive.h>
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namespace nix {
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struct TarArchive
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{
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struct archive * archive;
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Source * source;
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std::vector<unsigned char> buffer;
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void check(int err, const std::string & reason = "failed to extract archive (%s)");
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explicit TarArchive(const Path & path);
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/// @brief Create a generic archive from source.
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/// @param source - Input byte stream.
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/// @param raw - Whether to enable raw file support. For more info look in docs:
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/// https://manpages.debian.org/stretch/libarchive-dev/archive_read_format.3.en.html
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/// @param compression_method - Primary compression method to use. std::nullopt means 'all'.
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TarArchive(Source & source, bool raw = false, std::optional<std::string> compression_method = std::nullopt);
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/// Disable copy constructor. Explicitly default move assignment/constructor.
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TarArchive(const TarArchive &) = delete;
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TarArchive & operator=(const TarArchive &) = delete;
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TarArchive(TarArchive &&) = default;
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TarArchive & operator=(TarArchive &&) = default;
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void close();
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~TarArchive();
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};
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int getArchiveFilterCodeByName(const std::string & method);
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void unpackTarfile(Source & source, const Path & destDir);
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void unpackTarfile(const Path & tarFile, const Path & destDir);
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time_t unpackTarfileToSink(TarArchive & archive, FileSystemObjectSink & parseSink);
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}
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