cache.hh

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#pragma once
 
#include "lix/libfetchers/fetchers.hh"
#include "lix/libstore/path.hh"
 
namespace nix::fetchers {
 
struct Cache
{
    virtual ~Cache() { }
 
    virtual void add(
        ref<Store> store,
        const Attrs & inAttrs,
        const Attrs & infoAttrs,
        const StorePath & storePath,
        bool locked) = 0;
 
    virtual kj::Promise<Result<std::optional<std::pair<Attrs, StorePath>>>> lookup(
        ref<Store> store,
        const Attrs & inAttrs) = 0;
 
    struct LookupResult
    {
        bool expired = false;
        Attrs infoAttrs;
        StorePath storePath;
    };
 
    virtual kj::Promise<Result<std::optional<LookupResult>>> lookupExpired(
        ref<Store> store,
        const Attrs & inAttrs) = 0;
};
 
ref<Cache> getCache();
 
}