Files
lix/lix/libstore/dummy-store.cc
T
eldritch horrors 81d5528646 libstore: asyncify Store::queryPathInfo{,Uncached}
Change-Id: I182c396ec0bfdfc8febd6752774e668b3d97dcc1
2025-03-05 18:49:45 +01:00

90 lines
2.6 KiB
C++

#include "lix/libstore/dummy-store.hh"
#include "lix/libstore/store-api.hh"
namespace nix {
struct DummyStoreConfig final : StoreConfig {
using StoreConfig::StoreConfig;
const std::string name() override { return "Dummy Store"; }
std::string doc() override
{
return
#include "dummy-store.md"
;
}
};
struct DummyStore final : public Store
{
DummyStoreConfig config_;
DummyStoreConfig & config() override { return config_; }
const DummyStoreConfig & config() const override { return config_; }
DummyStore(const std::string scheme, const std::string uri, DummyStoreConfig config)
: DummyStore(std::move(config))
{ }
DummyStore(DummyStoreConfig config) : Store(config), config_(std::move(config)) {}
std::string getUri() override
{
return *uriSchemes().begin();
}
kj::Promise<Result<std::shared_ptr<const ValidPathInfo>>>
queryPathInfoUncached(const StorePath & path) override
{
return {result::success(nullptr)};
}
/**
* The dummy store is incapable of *not* trusting! :)
*/
virtual kj::Promise<Result<std::optional<TrustedFlag>>> isTrustedClient() override
{
return {result::success(Trusted)};
}
static std::set<std::string> uriSchemes() {
return {"dummy"};
}
kj::Promise<Result<std::optional<StorePath>>>
queryPathFromHashPart(const std::string & hashPart) override
try {
unsupported("queryPathFromHashPart");
} catch (...) {
return {result::current_exception()};
}
kj::Promise<Result<void>> addToStore(const ValidPathInfo & info, AsyncInputStream & source,
RepairFlag repair, CheckSigsFlag checkSigs) override
try { unsupported("addToStore"); } catch (...) { return {result::current_exception()}; }
kj::Promise<Result<StorePath>> addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override
try { unsupported("addTextToStore"); } catch (...) { return {result::current_exception()}; }
kj::Promise<Result<box_ptr<Source>>> narFromPath(const StorePath & path) override
try { unsupported("narFromPath"); } catch (...) { return {result::current_exception()}; }
kj::Promise<Result<std::shared_ptr<const Realisation>>>
queryRealisationUncached(const DrvOutput &) override
{ co_return result::success(nullptr); }
virtual ref<FSAccessor> getFSAccessor() override
{ unsupported("getFSAccessor"); }
};
void registerDummyStore() {
StoreImplementations::add<DummyStore, DummyStoreConfig>();
}
}