lix/src/libfetchers/cache.hh
2020-07-03 14:50:07 +02:00

37 lines
668 B
C++

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