forked from lix-project/lix
e69cfdebb0
In addition to being some ugly template trickery, it was also totally useless as it was used in only one place where I could replace it by just a few extra characters
74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#pragma once
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#include "path.hh"
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#include <nlohmann/json_fwd.hpp>
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#include "comparator.hh"
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namespace nix {
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struct DrvOutput {
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// The hash modulo of the derivation
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Hash drvHash;
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std::string outputName;
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std::string to_string() const;
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std::string strHash() const
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{ return drvHash.to_string(Base16, true); }
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static DrvOutput parse(const std::string &);
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GENERATE_CMP(DrvOutput, me->drvHash, me->outputName);
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};
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struct Realisation {
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DrvOutput id;
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StorePath outPath;
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nlohmann::json toJSON() const;
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static Realisation fromJSON(const nlohmann::json& json, const std::string& whence);
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StorePath getPath() const { return outPath; }
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GENERATE_CMP(Realisation, me->id, me->outPath);
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};
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struct OpaquePath {
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StorePath path;
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StorePath getPath() const { return path; }
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GENERATE_CMP(OpaquePath, me->path);
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};
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/**
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* A store path with all the history of how it went into the store
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*/
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struct RealisedPath {
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/*
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* A path is either the result of the realisation of a derivation or
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* an opaque blob that has been directly added to the store
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*/
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using Raw = std::variant<Realisation, OpaquePath>;
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Raw raw;
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using Set = std::set<RealisedPath>;
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RealisedPath(StorePath path) : raw(OpaquePath{path}) {}
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RealisedPath(Realisation r) : raw(r) {}
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/**
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* Get the raw store path associated to this
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*/
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StorePath path() const;
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void closure(Store& store, Set& ret) const;
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static void closure(Store& store, const Set& startPaths, Set& ret);
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Set closure(Store& store) const;
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GENERATE_CMP(RealisedPath, me->raw);
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};
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}
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