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https://github.com/privatevoid-net/nix-super.git
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1042c10fd0
This is primary to allow hydra-queue-runner to extract files like "nix-support/hydra-build-products" from NARs in binary caches.
30 lines
655 B
C++
30 lines
655 B
C++
#pragma once
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#include "types.hh"
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namespace nix {
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/* An abstract class for accessing a filesystem-like structure, such
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as a (possibly remote) Nix store or the contents of a NAR file. */
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class FSAccessor
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{
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public:
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enum Type { tMissing, tRegular, tSymlink, tDirectory };
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struct Stat
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{
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Type type;
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uint64_t fileSize; // regular files only
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bool isExecutable; // regular files only
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};
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virtual Stat stat(const Path & path) = 0;
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virtual StringSet readDirectory(const Path & path) = 0;
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virtual std::string readFile(const Path & path) = 0;
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virtual std::string readLink(const Path & path) = 0;
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};
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}
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