338f29dbd4
E.g. $ nix ls-store --json --recursive --store https://cache.nixos.org /nix/store/b0w2hafndl09h64fhb86kw6bmhbmnpm1-blender-2.79 \ | jq .entries.bin.entries.blender.narOffset 400
32 lines
732 B
C++
32 lines
732 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 = tMissing;
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uint64_t fileSize = 0; // regular files only
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bool isExecutable = false; // regular files only
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uint64_t narOffset = 0; // 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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