forked from lix-project/lix
197feed51d
1. `DerivationOutput` now as the `std::variant` as a base class. And the variants are given hierarchical names under `DerivationOutput`. In8e0d0689be@matthewbauer and I didn't know a better idiom, and so we made it a field. But this sort of "newtype" is anoying for literals downstream. Since then we leaned the base class, inherit the constructors trick, e.g. used in `DerivedPath`. Switching to use that makes this more ergonomic, and consistent. 2. `store-api.hh` and `derivations.hh` are now independent. Inbcde5456ccI swapped the dependency, but I now know it is better to just keep on using incomplete types as much as possible for faster compilation and good separation of concerns.
47 lines
1 KiB
C++
47 lines
1 KiB
C++
#pragma once
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#include "derivations.hh"
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#include "store-api.hh"
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#include <nlohmann/json_fwd.hpp>
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namespace nix {
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class ParsedDerivation
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{
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StorePath drvPath;
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BasicDerivation & drv;
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std::unique_ptr<nlohmann::json> structuredAttrs;
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public:
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ParsedDerivation(const StorePath & drvPath, BasicDerivation & drv);
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~ParsedDerivation();
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const nlohmann::json * getStructuredAttrs() const
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{
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return structuredAttrs.get();
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}
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std::optional<std::string> getStringAttr(const std::string & name) const;
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bool getBoolAttr(const std::string & name, bool def = false) const;
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std::optional<Strings> getStringsAttr(const std::string & name) const;
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StringSet getRequiredSystemFeatures() const;
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bool canBuildLocally(Store & localStore) const;
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bool willBuildLocally(Store & localStore) const;
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bool substitutesAllowed() const;
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std::optional<nlohmann::json> prepareStructuredAttrs(Store & store, const StorePathSet & inputPaths);
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};
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std::string writeStructuredAttrsShell(const nlohmann::json & json);
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}
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