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35 lines
992 B
C++
35 lines
992 B
C++
#pragma once
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#include "hash.hh"
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namespace nix {
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enum struct FileIngestionMethod : uint8_t {
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Flat = false,
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Recursive = true
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};
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/// Pair of a hash, and how the file system was ingested
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struct FileSystemHash {
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FileIngestionMethod method;
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Hash hash;
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FileSystemHash(FileIngestionMethod method, Hash hash)
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: method(std::move(method))
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, hash(std::move(hash))
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{ }
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FileSystemHash(const FileSystemHash &) = default;
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FileSystemHash(FileSystemHash &&) = default;
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FileSystemHash & operator = (const FileSystemHash &) = default;
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std::string printMethodAlgo() const;
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};
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/* Compute the prefix to the hash algorithm which indicates how the files were
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ingested. */
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std::string makeFileIngestionPrefix(const FileIngestionMethod m);
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/* Compute the content-addressability assertion (ValidPathInfo::ca)
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for paths created by makeFixedOutputPath() / addToStore(). */
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std::string makeFixedOutputCA(FileIngestionMethod method, const Hash & hash);
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}
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