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84e2963f8e
This will facilitate breaking up Nix into multiple packages for each component with Meson.
50 lines
1.1 KiB
C++
50 lines
1.1 KiB
C++
#pragma once
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///@file
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#include <thread>
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#include <future>
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#include "store-api.hh"
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#include "goal.hh"
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#include "realisation.hh"
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#include "muxable-pipe.hh"
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namespace nix {
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class Worker;
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/**
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* Substitution of a derivation output.
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* This is done in three steps:
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* 1. Fetch the output info from a substituter
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* 2. Substitute the corresponding output path
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* 3. Register the output info
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*/
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class DrvOutputSubstitutionGoal : public Goal {
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/**
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* The drv output we're trying to substitute
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*/
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DrvOutput id;
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public:
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DrvOutputSubstitutionGoal(const DrvOutput& id, Worker & worker, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);
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typedef void (DrvOutputSubstitutionGoal::*GoalState)();
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GoalState state;
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Co init() override;
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Co realisationFetched(std::shared_ptr<const Realisation> outputInfo, nix::ref<nix::Store> sub);
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void timedOut(Error && ex) override { unreachable(); };
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std::string key() override;
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void handleEOF(Descriptor fd) override;
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JobCategory jobCategory() const override {
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return JobCategory::Substitution;
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};
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};
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}
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