nix-super/src/libstore/remote-fs-accessor.hh
2020-07-13 16:25:48 +02:00

40 lines
861 B
C++

#pragma once
#include "fs-accessor.hh"
#include "ref.hh"
#include "store-api.hh"
namespace nix {
class RemoteFSAccessor : public FSAccessor
{
ref<Store> store;
std::map<std::string, ref<FSAccessor>> nars;
Path cacheDir;
std::pair<ref<FSAccessor>, Path> fetch(const Path & path_);
friend class BinaryCacheStore;
Path makeCacheFile(std::string_view hashPart, const std::string & ext);
void addToCache(std::string_view hashPart, const std::string & nar,
ref<FSAccessor> narAccessor);
public:
RemoteFSAccessor(ref<Store> store,
const /* FIXME: use std::optional */ Path & cacheDir = "");
Stat stat(const Path & path) override;
StringSet readDirectory(const Path & path) override;
std::string readFile(const Path & path) override;
std::string readLink(const Path & path) override;
};
}