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Add infra for experimental store implemenations

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This is analogous to that for experimental settings and flags that we
have also added as of late.
This commit is contained in:
John Ericson 2023-04-17 11:58:47 -04:00
parent 3723363697
commit 3b592c880a
4 changed files with 39 additions and 4 deletions
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1
src/libstore/store-api.cc
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@ -1496,6 +1496,7 @@ ref<Store> openStore(const std::string & uri_,
if (implem.uriSchemes.count(parsedUri.scheme)) {
auto store = implem.create(parsedUri.scheme, baseURI, params);
if (store) {
experimentalFeatureSettings.require(store->experimentalFeature());
store->init();
store->warnUnknownSettings();
return ref<Store>(store);

15
src/libstore/store-api.hh
View file

@ -109,13 +109,28 @@ struct StoreConfig : public Config
virtual ~StoreConfig() { }
/**
* The name of this type of store.
*/
virtual const std::string name() = 0;
/**
* Documentation for this type of store.
*/
virtual std::string doc()
{
return "";
}
/**
* An experimental feature this type store is gated, if it is to be
* experimental.
*/
virtual std::optional<ExperimentalFeature> experimentalFeature() const
{
return std::nullopt;
}
const PathSetting storeDir_{this, settings.nixStore,
"store",
R"(