lix/src/libstore/dummy-store.cc

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#include "store-api.hh"
#include "callback.hh"
namespace nix {
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struct DummyStoreConfig : virtual StoreConfig {
using StoreConfig::StoreConfig;
const std::string name() override { return "Dummy Store"; }
};
struct DummyStore : public virtual DummyStoreConfig, public virtual Store
{
DummyStore(const std::string scheme, const std::string uri, const Params & params)
: DummyStore(params)
{ }
DummyStore(const Params & params)
: StoreConfig(params)
, DummyStoreConfig(params)
, Store(params)
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{ }
std::string getUri() override
{
return *uriSchemes().begin();
}
void queryPathInfoUncached(const StorePath & path,
Callback<std::shared_ptr<const ValidPathInfo>> callback) noexcept override
{
callback(nullptr);
}
static std::set<std::string> uriSchemes() {
return {"dummy"};
}
std::optional<StorePath> queryPathFromHashPart(const std::string & hashPart) override
{ unsupported("queryPathFromHashPart"); }
void addToStore(const ValidPathInfo & info, Source & source,
RepairFlag repair, CheckSigsFlag checkSigs) override
{ unsupported("addToStore"); }
StorePath addTextToStore(
std::string_view name,
std::string_view s,
const StorePathSet & references,
RepairFlag repair) override
{ unsupported("addTextToStore"); }
void narFromPath(const StorePath & path, Sink & sink) override
{ unsupported("narFromPath"); }
void queryRealisationUncached(const DrvOutput &,
Callback<std::shared_ptr<const Realisation>> callback) noexcept override
{ callback(nullptr); }
};
static RegisterStoreImplementation<DummyStore, DummyStoreConfig> regDummyStore;
}