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Move enabled experimental feature to libutil struct

Browse source 
This is needed in subsequent commits to allow the settings and CLI args
infrastructure itself to read this setting.
This commit is contained in:
John Ericson 2023-03-17 10:33:48 -04:00
parent 1b6c96bbcb
commit 296831f641
28 changed files with 113 additions and 70 deletions
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12
src/libstore/build/derivation-goal.cc
View file

@ -199,10 +199,10 @@ void DerivationGoal::haveDerivation()
parsedDrv = std::make_unique<ParsedDerivation>(drvPath, *drv);
if (!drv->type().hasKnownOutputPaths())
settings.requireExperimentalFeature(Xp::CaDerivations);
experimentalFeatureSettings.require(Xp::CaDerivations);
if (!drv->type().isPure()) {
settings.requireExperimentalFeature(Xp::ImpureDerivations);
experimentalFeatureSettings.require(Xp::ImpureDerivations);
for (auto & [outputName, output] : drv->outputs) {
auto randomPath = StorePath::random(outputPathName(drv->name, outputName));
@ -336,7 +336,7 @@ void DerivationGoal::gaveUpOnSubstitution()
for (auto & i : dynamic_cast<Derivation *>(drv.get())->inputDrvs) {
/* Ensure that pure, non-fixed-output derivations don't
depend on impure derivations. */
if (settings.isExperimentalFeatureEnabled(Xp::ImpureDerivations) && drv->type().isPure() && !drv->type().isFixed()) {
if (experimentalFeatureSettings.isEnabled(Xp::ImpureDerivations) && drv->type().isPure() && !drv->type().isFixed()) {
auto inputDrv = worker.evalStore.readDerivation(i.first);
if (!inputDrv.type().isPure())
throw Error("pure derivation '%s' depends on impure derivation '%s'",
@ -477,7 +477,7 @@ void DerivationGoal::inputsRealised()
ca.fixed
/* Can optionally resolve if fixed, which is good
for avoiding unnecessary rebuilds. */
? settings.isExperimentalFeatureEnabled(Xp::CaDerivations)
? experimentalFeatureSettings.isEnabled(Xp::CaDerivations)
/* Must resolve if floating and there are any inputs
drvs. */
: true);
@ -488,7 +488,7 @@ void DerivationGoal::inputsRealised()
}, drvType.raw());
if (resolveDrv && !fullDrv.inputDrvs.empty()) {
settings.requireExperimentalFeature(Xp::CaDerivations);
experimentalFeatureSettings.require(Xp::CaDerivations);
/* We are be able to resolve this derivation based on the
now-known results of dependencies. If so, we become a
@ -1352,7 +1352,7 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
};
}
auto drvOutput = DrvOutput{info.outputHash, i.first};
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
if (auto real = worker.store.queryRealisation(drvOutput)) {
info.known = {
.path = real->outPath,

8
src/libstore/build/local-derivation-goal.cc
View file

@ -413,7 +413,7 @@ void LocalDerivationGoal::startBuilder()
)
{
#if __linux__
settings.requireExperimentalFeature(Xp::Cgroups);
experimentalFeatureSettings.require(Xp::Cgroups);
auto cgroupFS = getCgroupFS();
if (!cgroupFS)
@ -1393,7 +1393,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
void LocalDerivationGoal::startDaemon()
{
settings.requireExperimentalFeature(Xp::RecursiveNix);
experimentalFeatureSettings.require(Xp::RecursiveNix);
Store::Params params;
params["path-info-cache-size"] = "0";
@ -2268,7 +2268,7 @@ DrvOutputs LocalDerivationGoal::registerOutputs()
bool discardReferences = false;
if (auto structuredAttrs = parsedDrv->getStructuredAttrs()) {
if (auto udr = get(*structuredAttrs, "unsafeDiscardReferences")) {
settings.requireExperimentalFeature(Xp::DiscardReferences);
experimentalFeatureSettings.require(Xp::DiscardReferences);
if (auto output = get(*udr, outputName)) {
if (!output->is_boolean())
throw Error("attribute 'unsafeDiscardReferences.\"%s\"' of derivation '%s' must be a Boolean", outputName, drvPath.to_string());
@ -2688,7 +2688,7 @@ DrvOutputs LocalDerivationGoal::registerOutputs()
},
.outPath = newInfo.path
};
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)
&& drv->type().isPure())
{
signRealisation(thisRealisation);

4
src/libstore/daemon.cc
View file

@ -231,10 +231,10 @@ struct ClientSettings
try {
if (name == "ssh-auth-sock") // obsolete
;
else if (name == settings.experimentalFeatures.name) {
else if (name == experimentalFeatureSettings.experimentalFeatures.name) {
// We don’t want to forward the experimental features to
// the daemon, as that could cause some pretty weird stuff
if (parseFeatures(tokenizeString<StringSet>(value)) != settings.experimentalFeatures.get())
if (parseFeatures(tokenizeString<StringSet>(value)) != experimentalFeatureSettings.experimentalFeatures.get())
debug("Ignoring the client-specified experimental features");
} else if (name == settings.pluginFiles.name) {
if (tokenizeString<Paths>(value) != settings.pluginFiles.get())

4
src/libstore/derivations.cc
View file

@ -221,7 +221,7 @@ static DerivationOutput parseDerivationOutput(const Store & store,
}
const auto hashType = parseHashType(hashAlgo);
if (hash == "impure") {
settings.requireExperimentalFeature(Xp::ImpureDerivations);
experimentalFeatureSettings.require(Xp::ImpureDerivations);
assert(pathS == "");
return DerivationOutput::Impure {
.method = std::move(method),
@ -236,7 +236,7 @@ static DerivationOutput parseDerivationOutput(const Store & store,
},
};
} else {
settings.requireExperimentalFeature(Xp::CaDerivations);
experimentalFeatureSettings.require(Xp::CaDerivations);
assert(pathS == "");
return DerivationOutput::CAFloating {
.method = std::move(method),

2
src/libstore/derived-path.cc
View file

@ -105,7 +105,7 @@ RealisedPath::Set BuiltPath::toRealisedPaths(Store & store) const
auto drvHashes =
staticOutputHashes(store, store.readDerivation(p.drvPath));
for (auto& [outputName, outputPath] : p.outputs) {
if (settings.isExperimentalFeatureEnabled(
if (experimentalFeatureSettings.isEnabled(
Xp::CaDerivations)) {
auto drvOutput = get(drvHashes, outputName);
if (!drvOutput)

12
src/libstore/globals.cc
View file

@ -166,18 +166,6 @@ StringSet Settings::getDefaultExtraPlatforms()
return extraPlatforms;
}
bool Settings::isExperimentalFeatureEnabled(const ExperimentalFeature & feature)
{
auto & f = experimentalFeatures.get();
return std::find(f.begin(), f.end(), feature) != f.end();
}
void Settings::requireExperimentalFeature(const ExperimentalFeature & feature)
{
if (!isExperimentalFeatureEnabled(feature))
throw MissingExperimentalFeature(feature);
}
bool Settings::isWSL1()
{
struct utsname utsbuf;

8
src/libstore/globals.hh
View file

@ -3,7 +3,6 @@
#include "types.hh"
#include "config.hh"
#include "util.hh"
#include "experimental-features.hh"
#include <map>
#include <limits>
@ -932,13 +931,6 @@ public:
are loaded as plugins (non-recursively).
)"};
Setting<std::set<ExperimentalFeature>> experimentalFeatures{this, {}, "experimental-features",
"Experimental Nix features to enable."};
bool isExperimentalFeatureEnabled(const ExperimentalFeature &);
void requireExperimentalFeature(const ExperimentalFeature &);
Setting<size_t> narBufferSize{this, 32 * 1024 * 1024, "nar-buffer-size",
"Maximum size of NARs before spilling them to disk."};

10
src/libstore/local-store.cc
View file

@ -336,7 +336,7 @@ LocalStore::LocalStore(const Params & params)
else openDB(*state, false);
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
migrateCASchema(state->db, dbDir + "/ca-schema", globalLock);
}
@ -366,7 +366,7 @@ LocalStore::LocalStore(const Params & params)
state->stmts->QueryPathFromHashPart.create(state->db,
"select path from ValidPaths where path >= ? limit 1;");
state->stmts->QueryValidPaths.create(state->db, "select path from ValidPaths");
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
state->stmts->RegisterRealisedOutput.create(state->db,
R"(
insert into Realisations (drvPath, outputName, outputPath, signatures)
@ -754,7 +754,7 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat
void LocalStore::registerDrvOutput(const Realisation & info, CheckSigsFlag checkSigs)
{
settings.requireExperimentalFeature(Xp::CaDerivations);
experimentalFeatureSettings.require(Xp::CaDerivations);
if (checkSigs == NoCheckSigs || !realisationIsUntrusted(info))
registerDrvOutput(info);
else
@ -763,7 +763,7 @@ void LocalStore::registerDrvOutput(const Realisation & info, CheckSigsFlag check
void LocalStore::registerDrvOutput(const Realisation & info)
{
settings.requireExperimentalFeature(Xp::CaDerivations);
experimentalFeatureSettings.require(Xp::CaDerivations);
retrySQLite<void>([&]() {
auto state(_state.lock());
if (auto oldR = queryRealisation_(*state, info.id)) {
@ -1052,7 +1052,7 @@ LocalStore::queryPartialDerivationOutputMap(const StorePath & path_)
return outputs;
});
if (!settings.isExperimentalFeatureEnabled(Xp::CaDerivations))
if (!experimentalFeatureSettings.isEnabled(Xp::CaDerivations))
return outputs;
auto drv = readInvalidDerivation(path);

2
src/libstore/lock.cc
View file

@ -129,7 +129,7 @@ struct AutoUserLock : UserLock
useUserNamespace = false;
#endif
settings.requireExperimentalFeature(Xp::AutoAllocateUids);
experimentalFeatureSettings.require(Xp::AutoAllocateUids);
assert(settings.startId > 0);
assert(settings.uidCount % maxIdsPerBuild == 0);
assert((uint64_t) settings.startId + (uint64_t) settings.uidCount <= std::numeric_limits<uid_t>::max());

2
src/libstore/misc.cc
View file

@ -326,7 +326,7 @@ OutputPathMap resolveDerivedPath(Store & store, const DerivedPath::Built & bfd,
throw Error(
"the derivation '%s' doesn't have an output named '%s'",
store.printStorePath(bfd.drvPath), output);
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
DrvOutput outputId { *outputHash, output };
auto realisation = store.queryRealisation(outputId);
if (!realisation)

4
src/libstore/remote-store.cc
View file

@ -265,7 +265,7 @@ void RemoteStore::setOptions(Connection & conn)
overrides.erase(settings.buildCores.name);
overrides.erase(settings.useSubstitutes.name);
overrides.erase(loggerSettings.showTrace.name);
overrides.erase(settings.experimentalFeatures.name);
overrides.erase(experimentalFeatureSettings.experimentalFeatures.name);
overrides.erase(settings.pluginFiles.name);
conn.to << overrides.size();
for (auto & i : overrides)
@ -876,7 +876,7 @@ std::vector<BuildResult> RemoteStore::buildPathsWithResults(
"the derivation '%s' doesn't have an output named '%s'",
printStorePath(bfd.drvPath), output);
auto outputId = DrvOutput{ *outputHash, output };
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations)) {
auto realisation =
queryRealisation(outputId);
if (!realisation)

8
src/libstore/store-api.cc
View file

@ -445,10 +445,10 @@ StringSet StoreConfig::getDefaultSystemFeatures()
{
auto res = settings.systemFeatures.get();
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations))
if (experimentalFeatureSettings.isEnabled(Xp::CaDerivations))
res.insert("ca-derivations");
if (settings.isExperimentalFeatureEnabled(Xp::RecursiveNix))
if (experimentalFeatureSettings.isEnabled(Xp::RecursiveNix))
res.insert("recursive-nix");
return res;
@ -1017,7 +1017,7 @@ std::map<StorePath, StorePath> copyPaths(
for (auto & path : paths) {
storePaths.insert(path.path());
if (auto realisation = std::get_if<Realisation>(&path.raw)) {
settings.requireExperimentalFeature(Xp::CaDerivations);
experimentalFeatureSettings.require(Xp::CaDerivations);
toplevelRealisations.insert(*realisation);
}
}
@ -1250,7 +1250,7 @@ std::optional<StorePath> Store::getBuildDerivationPath(const StorePath & path)
}
}
if (!settings.isExperimentalFeatureEnabled(Xp::CaDerivations) || !isValidPath(path))
if (!experimentalFeatureSettings.isEnabled(Xp::CaDerivations) || !isValidPath(path))
return path;
auto drv = readDerivation(path);