#include "remote-fs-accessor.hh" #include "nar-accessor.hh" namespace nix { RemoteFSAccessor::RemoteFSAccessor(ref<Store> store) : store(store) { } std::pair<ref<FSAccessor>, Path> RemoteFSAccessor::fetch(const Path & path_) { auto path = canonPath(path_); auto storePath = store->toStorePath(path); std::string restPath = std::string(path, storePath.size()); if (!store->isValidPath(storePath)) throw InvalidPath(format("path ‘%1%’ is not a valid store path") % storePath); auto i = nars.find(storePath); if (i != nars.end()) return {i->second, restPath}; StringSink sink; store->narFromPath(storePath, sink); auto accessor = makeNarAccessor(sink.s); nars.emplace(storePath, accessor); return {accessor, restPath}; } FSAccessor::Stat RemoteFSAccessor::stat(const Path & path) { auto res = fetch(path); return res.first->stat(res.second); } StringSet RemoteFSAccessor::readDirectory(const Path & path) { auto res = fetch(path); return res.first->readDirectory(res.second); } std::string RemoteFSAccessor::readFile(const Path & path) { auto res = fetch(path); return res.first->readFile(res.second); } std::string RemoteFSAccessor::readLink(const Path & path) { auto res = fetch(path); return res.first->readLink(res.second); } }