Split OutputsSpec and ExtendedOutputsSpec, use the former more
`DerivedPath::Built` and `DerivationGoal` were previously using a regular set with the convention that the empty set means all outputs. But it is easy to forget about this rule when processing those sets. Using `OutputSpec` forces us to get it right.
This commit is contained in:
John Ericson
parent
a7c0cff07f
commit
ce2f91d356
23 changed files with 377 additions and 193 deletions
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@ -488,18 +488,23 @@ struct InstallableAttrPath : InstallableValue
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if (!drvPath)
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throw Error("'%s' is not a derivation", what());
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std::set<std::string> outputsToInstall;
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auto derivedPath = byDrvPath.emplace(*drvPath, DerivedPath::Built {
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.drvPath = *drvPath,
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// Not normally legal, but we will merge right below
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.outputs = OutputsSpec::Names { },
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}).first;
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if (auto outputNames = std::get_if<OutputNames>(&extendedOutputsSpec))
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outputsToInstall = *outputNames;
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else
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for (auto & output : drvInfo.queryOutputs(false, std::get_if<DefaultOutputs>(&extendedOutputsSpec)))
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outputsToInstall.insert(output.first);
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auto derivedPath = byDrvPath.emplace(*drvPath, DerivedPath::Built { .drvPath = *drvPath }).first;
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for (auto & output : outputsToInstall)
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derivedPath->second.outputs.insert(output);
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derivedPath->second.outputs.merge(std::visit(overloaded {
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[&](const ExtendedOutputsSpec::Default & d) -> OutputsSpec {
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std::set<std::string> outputsToInstall;
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for (auto & output : drvInfo.queryOutputs(false, true))
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outputsToInstall.insert(output.first);
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return OutputsSpec::Names { std::move(outputsToInstall) };
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},
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[&](const ExtendedOutputsSpec::Explicit & e) -> OutputsSpec {
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return e;
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},
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}, extendedOutputsSpec.raw()));
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}
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DerivedPathsWithInfo res;
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@ -639,41 +644,40 @@ DerivedPathsWithInfo InstallableFlake::toDerivedPaths()
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auto drvPath = attr->forceDerivation();
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std::set<std::string> outputsToInstall;
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std::optional<NixInt> priority;
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if (auto aOutputSpecified = attr->maybeGetAttr(state->sOutputSpecified)) {
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if (aOutputSpecified->getBool()) {
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if (auto aOutputName = attr->maybeGetAttr("outputName"))
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outputsToInstall = { aOutputName->getString() };
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}
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}
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else if (auto aMeta = attr->maybeGetAttr(state->sMeta)) {
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if (auto aOutputsToInstall = aMeta->maybeGetAttr("outputsToInstall"))
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for (auto & s : aOutputsToInstall->getListOfStrings())
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outputsToInstall.insert(s);
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if (attr->maybeGetAttr(state->sOutputSpecified)) {
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} else if (auto aMeta = attr->maybeGetAttr(state->sMeta)) {
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if (auto aPriority = aMeta->maybeGetAttr("priority"))
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priority = aPriority->getInt();
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}
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if (outputsToInstall.empty() || std::get_if<AllOutputs>(&extendedOutputsSpec)) {
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outputsToInstall.clear();
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if (auto aOutputs = attr->maybeGetAttr(state->sOutputs))
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for (auto & s : aOutputs->getListOfStrings())
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outputsToInstall.insert(s);
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}
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if (outputsToInstall.empty())
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outputsToInstall.insert("out");
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if (auto outputNames = std::get_if<OutputNames>(&extendedOutputsSpec))
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outputsToInstall = *outputNames;
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return {{
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.path = DerivedPath::Built {
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.drvPath = std::move(drvPath),
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.outputs = std::move(outputsToInstall),
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.outputs = std::visit(overloaded {
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[&](const ExtendedOutputsSpec::Default & d) -> OutputsSpec {
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std::set<std::string> outputsToInstall;
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if (auto aOutputSpecified = attr->maybeGetAttr(state->sOutputSpecified)) {
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if (aOutputSpecified->getBool()) {
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if (auto aOutputName = attr->maybeGetAttr("outputName"))
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outputsToInstall = { aOutputName->getString() };
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}
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} else if (auto aMeta = attr->maybeGetAttr(state->sMeta)) {
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if (auto aOutputsToInstall = aMeta->maybeGetAttr("outputsToInstall"))
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for (auto & s : aOutputsToInstall->getListOfStrings())
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outputsToInstall.insert(s);
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}
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if (outputsToInstall.empty())
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outputsToInstall.insert("out");
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return OutputsSpec::Names { std::move(outputsToInstall) };
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},
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[&](const ExtendedOutputsSpec::Explicit & e) -> OutputsSpec {
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return e;
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},
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}, extendedOutputsSpec.raw()),
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},
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.info = {
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.priority = priority,
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@ -801,7 +805,7 @@ std::vector<std::shared_ptr<Installable>> SourceExprCommand::parseInstallables(
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result.push_back(
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std::make_shared<InstallableAttrPath>(
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state, *this, vFile,
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prefix == "." ? "" : prefix,
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prefix == "." ? "" : std::string { prefix },
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extendedOutputsSpec));
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}
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@ -918,32 +922,7 @@ std::vector<std::pair<std::shared_ptr<Installable>, BuiltPathWithResult>> Instal
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for (auto & aux : backmap[path]) {
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std::visit(overloaded {
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[&](const DerivedPath::Built & bfd) {
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OutputPathMap outputs;
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auto drv = evalStore->readDerivation(bfd.drvPath);
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auto outputHashes = staticOutputHashes(*evalStore, drv); // FIXME: expensive
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auto drvOutputs = drv.outputsAndOptPaths(*store);
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for (auto & output : bfd.outputs) {
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auto outputHash = get(outputHashes, output);
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if (!outputHash)
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throw Error(
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"the derivation '%s' doesn't have an output named '%s'",
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store->printStorePath(bfd.drvPath), output);
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if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
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DrvOutput outputId { *outputHash, output };
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auto realisation = store->queryRealisation(outputId);
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if (!realisation)
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throw MissingRealisation(outputId);
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outputs.insert_or_assign(output, realisation->outPath);
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} else {
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// If ca-derivations isn't enabled, assume that
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// the output path is statically known.
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auto drvOutput = get(drvOutputs, output);
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assert(drvOutput);
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assert(drvOutput->second);
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outputs.insert_or_assign(
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output, *drvOutput->second);
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}
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}
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auto outputs = resolveDerivedPath(*store, bfd, &*evalStore);
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res.push_back({aux.installable, {
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.path = BuiltPath::Built { bfd.drvPath, outputs },
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.info = aux.info}});
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@ -245,7 +245,7 @@ std::tuple<FlakeRef, std::string, ExtendedOutputsSpec> parseFlakeRefWithFragment
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bool isFlake)
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{
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auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse(url);
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auto [flakeRef, fragment] = parseFlakeRefWithFragment(prefix, baseDir, allowMissing, isFlake);
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auto [flakeRef, fragment] = parseFlakeRefWithFragment(std::string { prefix }, baseDir, allowMissing, isFlake);
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return {std::move(flakeRef), fragment, extendedOutputsSpec};
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}
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@ -53,7 +53,7 @@ StringMap EvalState::realiseContext(const PathSet & context)
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[&](const NixStringContextElem::Built & b) {
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drvs.push_back(DerivedPath::Built {
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.drvPath = b.drvPath,
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.outputs = std::set { b.output },
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.outputs = OutputsSpec::Names { b.output },
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});
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ensureValid(b.drvPath);
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},
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@ -84,16 +84,12 @@ StringMap EvalState::realiseContext(const PathSet & context)
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store->buildPaths(buildReqs);
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/* Get all the output paths corresponding to the placeholders we had */
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for (auto & [drvPath, outputs] : drvs) {
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const auto outputPaths = store->queryDerivationOutputMap(drvPath);
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for (auto & outputName : outputs) {
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auto outputPath = get(outputPaths, outputName);
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if (!outputPath)
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debugThrowLastTrace(Error("derivation '%s' does not have an output named '%s'",
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store->printStorePath(drvPath), outputName));
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for (auto & drv : drvs) {
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auto outputs = resolveDerivedPath(*store, drv);
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for (auto & [outputName, outputPath] : outputs) {
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res.insert_or_assign(
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downstreamPlaceholder(*store, drvPath, outputName),
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store->printStorePath(*outputPath)
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downstreamPlaceholder(*store, drv.drvPath, outputName),
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store->printStorePath(outputPath)
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);
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}
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}
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@ -63,7 +63,7 @@
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namespace nix {
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DerivationGoal::DerivationGoal(const StorePath & drvPath,
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const StringSet & wantedOutputs, Worker & worker, BuildMode buildMode)
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const OutputsSpec & wantedOutputs, Worker & worker, BuildMode buildMode)
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: Goal(worker, DerivedPath::Built { .drvPath = drvPath, .outputs = wantedOutputs })
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, useDerivation(true)
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, drvPath(drvPath)
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@ -82,7 +82,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath,
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DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation & drv,
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const StringSet & wantedOutputs, Worker & worker, BuildMode buildMode)
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const OutputsSpec & wantedOutputs, Worker & worker, BuildMode buildMode)
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: Goal(worker, DerivedPath::Built { .drvPath = drvPath, .outputs = wantedOutputs })
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, useDerivation(false)
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, drvPath(drvPath)
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@ -142,18 +142,11 @@ void DerivationGoal::work()
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(this->*state)();
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}
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void DerivationGoal::addWantedOutputs(const StringSet & outputs)
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void DerivationGoal::addWantedOutputs(const OutputsSpec & outputs)
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{
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/* If we already want all outputs, there is nothing to do. */
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if (wantedOutputs.empty()) return;
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if (outputs.empty()) {
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wantedOutputs.clear();
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bool newOutputs = wantedOutputs.merge(outputs);
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if (newOutputs)
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needRestart = true;
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} else
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for (auto & i : outputs)
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if (wantedOutputs.insert(i).second)
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needRestart = true;
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}
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@ -390,7 +383,7 @@ void DerivationGoal::repairClosure()
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auto outputs = queryDerivationOutputMap();
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StorePathSet outputClosure;
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for (auto & i : outputs) {
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if (!wantOutput(i.first, wantedOutputs)) continue;
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if (!wantedOutputs.contains(i.first)) continue;
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worker.store.computeFSClosure(i.second, outputClosure);
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}
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@ -422,7 +415,7 @@ void DerivationGoal::repairClosure()
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if (drvPath2 == outputsToDrv.end())
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addWaitee(upcast_goal(worker.makePathSubstitutionGoal(i, Repair)));
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else
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addWaitee(worker.makeDerivationGoal(drvPath2->second, StringSet(), bmRepair));
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addWaitee(worker.makeDerivationGoal(drvPath2->second, OutputsSpec::All(), bmRepair));
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}
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if (waitees.empty()) {
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@ -991,10 +984,15 @@ void DerivationGoal::resolvedFinished()
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StorePathSet outputPaths;
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// `wantedOutputs` might be empty, which means “all the outputs”
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auto realWantedOutputs = wantedOutputs;
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if (realWantedOutputs.empty())
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realWantedOutputs = resolvedDrv.outputNames();
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// `wantedOutputs` might merely indicate “all the outputs”
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auto realWantedOutputs = std::visit(overloaded {
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[&](const OutputsSpec::All &) {
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return resolvedDrv.outputNames();
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},
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[&](const OutputsSpec::Names & names) {
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return names;
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},
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}, wantedOutputs.raw());
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for (auto & wantedOutput : realWantedOutputs) {
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auto initialOutput = get(initialOutputs, wantedOutput);
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@ -1322,7 +1320,14 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
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if (!drv->type().isPure()) return { false, {} };
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bool checkHash = buildMode == bmRepair;
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auto wantedOutputsLeft = wantedOutputs;
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auto wantedOutputsLeft = std::visit(overloaded {
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[&](const OutputsSpec::All &) {
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return StringSet {};
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},
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[&](const OutputsSpec::Names & names) {
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return names;
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},
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}, wantedOutputs.raw());
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DrvOutputs validOutputs;
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for (auto & i : queryPartialDerivationOutputMap()) {
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@ -1331,7 +1336,7 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
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// this is an invalid output, gets catched with (!wantedOutputsLeft.empty())
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continue;
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auto & info = *initialOutput;
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info.wanted = wantOutput(i.first, wantedOutputs);
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info.wanted = wantedOutputs.contains(i.first);
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if (info.wanted)
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wantedOutputsLeft.erase(i.first);
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if (i.second) {
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@ -1369,7 +1374,7 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
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validOutputs.emplace(drvOutput, Realisation { drvOutput, info.known->path });
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}
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// If we requested all the outputs via the empty set, we are always fine.
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// If we requested all the outputs, we are always fine.
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// If we requested specific elements, the loop above removes all the valid
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// ones, so any that are left must be invalid.
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if (!wantedOutputsLeft.empty())
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@ -2,6 +2,7 @@
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#include "parsed-derivations.hh"
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#include "lock.hh"
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#include "outputs-spec.hh"
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#include "store-api.hh"
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#include "pathlocks.hh"
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#include "goal.hh"
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@ -55,7 +56,7 @@ struct DerivationGoal : public Goal
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/* The specific outputs that we need to build. Empty means all of
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them. */
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StringSet wantedOutputs;
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OutputsSpec wantedOutputs;
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/* Mapping from input derivations + output names to actual store
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paths. This is filled in by waiteeDone() as each dependency
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@ -128,10 +129,10 @@ struct DerivationGoal : public Goal
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std::string machineName;
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DerivationGoal(const StorePath & drvPath,
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const StringSet & wantedOutputs, Worker & worker,
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const OutputsSpec & wantedOutputs, Worker & worker,
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BuildMode buildMode = bmNormal);
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DerivationGoal(const StorePath & drvPath, const BasicDerivation & drv,
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const StringSet & wantedOutputs, Worker & worker,
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const OutputsSpec & wantedOutputs, Worker & worker,
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BuildMode buildMode = bmNormal);
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virtual ~DerivationGoal();
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@ -142,7 +143,7 @@ struct DerivationGoal : public Goal
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void work() override;
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/* Add wanted outputs to an already existing derivation goal. */
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void addWantedOutputs(const StringSet & outputs);
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void addWantedOutputs(const OutputsSpec & outputs);
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/* The states. */
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void getDerivation();
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@ -130,7 +130,8 @@ void LocalStore::repairPath(const StorePath & path)
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auto info = queryPathInfo(path);
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if (info->deriver && isValidPath(*info->deriver)) {
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goals.clear();
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goals.insert(worker.makeDerivationGoal(*info->deriver, StringSet(), bmRepair));
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// FIXME: Should just build the specific output we need.
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goals.insert(worker.makeDerivationGoal(*info->deriver, OutputsSpec::All { }, bmRepair));
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worker.run(goals);
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} else
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throw Error(worker.exitStatus(), "cannot repair path '%s'", printStorePath(path));
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@ -2735,7 +2735,7 @@ DrvOutputs LocalDerivationGoal::registerOutputs()
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signRealisation(thisRealisation);
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worker.store.registerDrvOutput(thisRealisation);
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}
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if (wantOutput(outputName, wantedOutputs))
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if (wantedOutputs.contains(outputName))
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builtOutputs.emplace(thisRealisation.id, thisRealisation);
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}
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@ -42,7 +42,7 @@ Worker::~Worker()
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std::shared_ptr<DerivationGoal> Worker::makeDerivationGoalCommon(
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const StorePath & drvPath,
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const StringSet & wantedOutputs,
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const OutputsSpec & wantedOutputs,
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std::function<std::shared_ptr<DerivationGoal>()> mkDrvGoal)
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{
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std::weak_ptr<DerivationGoal> & goal_weak = derivationGoals[drvPath];
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@ -59,7 +59,7 @@ std::shared_ptr<DerivationGoal> Worker::makeDerivationGoalCommon(
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std::shared_ptr<DerivationGoal> Worker::makeDerivationGoal(const StorePath & drvPath,
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const StringSet & wantedOutputs, BuildMode buildMode)
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const OutputsSpec & wantedOutputs, BuildMode buildMode)
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{
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return makeDerivationGoalCommon(drvPath, wantedOutputs, [&]() -> std::shared_ptr<DerivationGoal> {
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return !dynamic_cast<LocalStore *>(&store)
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@ -70,7 +70,7 @@ std::shared_ptr<DerivationGoal> Worker::makeDerivationGoal(const StorePath & drv
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std::shared_ptr<DerivationGoal> Worker::makeBasicDerivationGoal(const StorePath & drvPath,
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const BasicDerivation & drv, const StringSet & wantedOutputs, BuildMode buildMode)
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const BasicDerivation & drv, const OutputsSpec & wantedOutputs, BuildMode buildMode)
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{
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return makeDerivationGoalCommon(drvPath, wantedOutputs, [&]() -> std::shared_ptr<DerivationGoal> {
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return !dynamic_cast<LocalStore *>(&store)
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@ -140,15 +140,15 @@ public:
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/* derivation goal */
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private:
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std::shared_ptr<DerivationGoal> makeDerivationGoalCommon(
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const StorePath & drvPath, const StringSet & wantedOutputs,
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const StorePath & drvPath, const OutputsSpec & wantedOutputs,
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std::function<std::shared_ptr<DerivationGoal>()> mkDrvGoal);
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public:
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std::shared_ptr<DerivationGoal> makeDerivationGoal(
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const StorePath & drvPath,
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const StringSet & wantedOutputs, BuildMode buildMode = bmNormal);
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const OutputsSpec & wantedOutputs, BuildMode buildMode = bmNormal);
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std::shared_ptr<DerivationGoal> makeBasicDerivationGoal(
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const StorePath & drvPath, const BasicDerivation & drv,
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const StringSet & wantedOutputs, BuildMode buildMode = bmNormal);
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const OutputsSpec & wantedOutputs, BuildMode buildMode = bmNormal);
|
||||
|
||||
/* substitution goal */
|
||||
std::shared_ptr<PathSubstitutionGoal> makePathSubstitutionGoal(const StorePath & storePath, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);
|
||||
|
|
|
|||
|
|
@ -688,12 +688,6 @@ std::map<std::string, Hash> staticOutputHashes(Store & store, const Derivation &
|
|||
}
|
||||
|
||||
|
||||
bool wantOutput(const std::string & output, const std::set<std::string> & wanted)
|
||||
{
|
||||
return wanted.empty() || wanted.find(output) != wanted.end();
|
||||
}
|
||||
|
||||
|
||||
static DerivationOutput readDerivationOutput(Source & in, const Store & store)
|
||||
{
|
||||
const auto pathS = readString(in);
|
||||
|
|
|
|||
|
|
@ -294,8 +294,6 @@ typedef std::map<StorePath, DrvHash> DrvHashes;
|
|||
// FIXME: global, though at least thread-safe.
|
||||
extern Sync<DrvHashes> drvHashes;
|
||||
|
||||
bool wantOutput(const std::string & output, const std::set<std::string> & wanted);
|
||||
|
||||
struct Source;
|
||||
struct Sink;
|
||||
|
||||
|
|
|
|||
|
|
@ -19,11 +19,11 @@ nlohmann::json DerivedPath::Built::toJSON(ref<Store> store) const {
|
|||
res["drvPath"] = store->printStorePath(drvPath);
|
||||
// Fallback for the input-addressed derivation case: We expect to always be
|
||||
// able to print the output paths, so let’s do it
|
||||
const auto knownOutputs = store->queryPartialDerivationOutputMap(drvPath);
|
||||
for (const auto & output : outputs) {
|
||||
auto knownOutput = get(knownOutputs, output);
|
||||
if (knownOutput && *knownOutput)
|
||||
res["outputs"][output] = store->printStorePath(**knownOutput);
|
||||
const auto outputMap = store->queryPartialDerivationOutputMap(drvPath);
|
||||
for (const auto & [output, outputPathOpt] : outputMap) {
|
||||
if (!outputs.contains(output)) continue;
|
||||
if (outputPathOpt)
|
||||
res["outputs"][output] = store->printStorePath(*outputPathOpt);
|
||||
else
|
||||
res["outputs"][output] = nullptr;
|
||||
}
|
||||
|
|
@ -63,7 +63,7 @@ std::string DerivedPath::Built::to_string(const Store & store) const
|
|||
{
|
||||
return store.printStorePath(drvPath)
|
||||
+ "!"
|
||||
+ (outputs.empty() ? std::string { "*" } : concatStringsSep(",", outputs));
|
||||
+ outputs.to_string();
|
||||
}
|
||||
|
||||
std::string DerivedPath::to_string(const Store & store) const
|
||||
|
|
@ -81,15 +81,10 @@ DerivedPath::Opaque DerivedPath::Opaque::parse(const Store & store, std::string_
|
|||
|
||||
DerivedPath::Built DerivedPath::Built::parse(const Store & store, std::string_view drvS, std::string_view outputsS)
|
||||
{
|
||||
auto drvPath = store.parseStorePath(drvS);
|
||||
std::set<std::string> outputs;
|
||||
if (outputsS != "*") {
|
||||
outputs = tokenizeString<std::set<std::string>>(outputsS, ",");
|
||||
if (outputs.empty())
|
||||
throw Error(
|
||||
"Explicit list of wanted outputs '%s' must not be empty. Consider using '*' as a wildcard meaning all outputs if no output in particular is wanted.", outputsS);
|
||||
}
|
||||
return {drvPath, outputs};
|
||||
return {
|
||||
.drvPath = store.parseStorePath(drvS),
|
||||
.outputs = OutputsSpec::parse(outputsS),
|
||||
};
|
||||
}
|
||||
|
||||
DerivedPath DerivedPath::parse(const Store & store, std::string_view s)
|
||||
|
|
|
|||
|
|
@ -3,6 +3,7 @@
|
|||
#include "util.hh"
|
||||
#include "path.hh"
|
||||
#include "realisation.hh"
|
||||
#include "outputs-spec.hh"
|
||||
|
||||
#include <optional>
|
||||
|
||||
|
|
@ -44,7 +45,7 @@ struct DerivedPathOpaque {
|
|||
*/
|
||||
struct DerivedPathBuilt {
|
||||
StorePath drvPath;
|
||||
std::set<std::string> outputs;
|
||||
OutputsSpec outputs;
|
||||
|
||||
std::string to_string(const Store & store) const;
|
||||
static DerivedPathBuilt parse(const Store & store, std::string_view, std::string_view);
|
||||
|
|
|
|||
|
|
@ -185,7 +185,7 @@ void Store::queryMissing(const std::vector<DerivedPath> & targets,
|
|||
knownOutputPaths = false;
|
||||
break;
|
||||
}
|
||||
if (wantOutput(outputName, bfd.outputs) && !isValidPath(*pathOpt))
|
||||
if (bfd.outputs.contains(outputName) && !isValidPath(*pathOpt))
|
||||
invalid.insert(*pathOpt);
|
||||
}
|
||||
if (knownOutputPaths && invalid.empty()) return;
|
||||
|
|
@ -301,4 +301,47 @@ std::map<DrvOutput, StorePath> drvOutputReferences(
|
|||
return drvOutputReferences(Realisation::closure(store, inputRealisations), info->references);
|
||||
}
|
||||
|
||||
OutputPathMap resolveDerivedPath(Store & store, const DerivedPath::Built & bfd, Store * evalStore_)
|
||||
{
|
||||
auto & evalStore = evalStore_ ? *evalStore_ : store;
|
||||
|
||||
OutputPathMap outputs;
|
||||
auto drv = evalStore.readDerivation(bfd.drvPath);
|
||||
auto outputHashes = staticOutputHashes(store, drv);
|
||||
auto drvOutputs = drv.outputsAndOptPaths(store);
|
||||
auto outputNames = std::visit(overloaded {
|
||||
[&](const OutputsSpec::All &) {
|
||||
StringSet names;
|
||||
for (auto & [outputName, _] : drv.outputs)
|
||||
names.insert(outputName);
|
||||
return names;
|
||||
},
|
||||
[&](const OutputsSpec::Names & names) {
|
||||
return names;
|
||||
},
|
||||
}, bfd.outputs);
|
||||
for (auto & output : outputNames) {
|
||||
auto outputHash = get(outputHashes, output);
|
||||
if (!outputHash)
|
||||
throw Error(
|
||||
"the derivation '%s' doesn't have an output named '%s'",
|
||||
store.printStorePath(bfd.drvPath), output);
|
||||
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
|
||||
DrvOutput outputId { *outputHash, output };
|
||||
auto realisation = store.queryRealisation(outputId);
|
||||
if (!realisation)
|
||||
throw MissingRealisation(outputId);
|
||||
outputs.insert_or_assign(output, realisation->outPath);
|
||||
} else {
|
||||
// If ca-derivations isn't enabled, assume that
|
||||
// the output path is statically known.
|
||||
auto drvOutput = get(drvOutputs, output);
|
||||
assert(drvOutput);
|
||||
assert(drvOutput->second);
|
||||
outputs.insert_or_assign(output, *drvOutput->second);
|
||||
}
|
||||
}
|
||||
return outputs;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
|
|||
|
|
@ -6,57 +6,153 @@
|
|||
|
||||
namespace nix {
|
||||
|
||||
std::pair<std::string, ExtendedOutputsSpec> ExtendedOutputsSpec::parse(std::string s)
|
||||
bool OutputsSpec::contains(const std::string & outputName) const
|
||||
{
|
||||
static std::regex regex(R"((.*)\^((\*)|([a-z]+(,[a-z]+)*)))");
|
||||
return std::visit(overloaded {
|
||||
[&](const OutputsSpec::All &) {
|
||||
return true;
|
||||
},
|
||||
[&](const OutputsSpec::Names & outputNames) {
|
||||
return outputNames.count(outputName) > 0;
|
||||
},
|
||||
}, raw());
|
||||
}
|
||||
|
||||
|
||||
std::optional<OutputsSpec> OutputsSpec::parseOpt(std::string_view s)
|
||||
{
|
||||
static std::regex regex(R"((\*)|([a-z]+(,[a-z]+)*))");
|
||||
|
||||
std::smatch match;
|
||||
if (!std::regex_match(s, match, regex))
|
||||
return {s, DefaultOutputs()};
|
||||
std::string s2 { s }; // until some improves std::regex
|
||||
if (!std::regex_match(s2, match, regex))
|
||||
return std::nullopt;
|
||||
|
||||
if (match[3].matched)
|
||||
return {match[1], AllOutputs()};
|
||||
if (match[1].matched)
|
||||
return { OutputsSpec::All {} };
|
||||
|
||||
return {match[1], tokenizeString<OutputNames>(match[4].str(), ",")};
|
||||
if (match[2].matched)
|
||||
return { tokenizeString<OutputsSpec::Names>(match[2].str(), ",") };
|
||||
|
||||
assert(false);
|
||||
}
|
||||
|
||||
|
||||
OutputsSpec OutputsSpec::parse(std::string_view s)
|
||||
{
|
||||
std::optional spec = OutputsSpec::parseOpt(s);
|
||||
if (!spec)
|
||||
throw Error("Invalid outputs specifier: '%s'", s);
|
||||
return *spec;
|
||||
}
|
||||
|
||||
|
||||
std::pair<std::string_view, ExtendedOutputsSpec> ExtendedOutputsSpec::parse(std::string_view s)
|
||||
{
|
||||
auto found = s.rfind('^');
|
||||
|
||||
if (found == std::string::npos)
|
||||
return { s, ExtendedOutputsSpec::Default {} };
|
||||
|
||||
auto spec = OutputsSpec::parse(s.substr(found + 1));
|
||||
return { s.substr(0, found), ExtendedOutputsSpec::Explicit { spec } };
|
||||
}
|
||||
|
||||
|
||||
std::string OutputsSpec::to_string() const
|
||||
{
|
||||
return std::visit(overloaded {
|
||||
[&](const OutputsSpec::All &) -> std::string {
|
||||
return "*";
|
||||
},
|
||||
[&](const OutputsSpec::Names & outputNames) -> std::string {
|
||||
return concatStringsSep(",", outputNames);
|
||||
},
|
||||
}, raw());
|
||||
}
|
||||
|
||||
|
||||
std::string ExtendedOutputsSpec::to_string() const
|
||||
{
|
||||
return std::visit(overloaded {
|
||||
[&](const ExtendedOutputsSpec::Default &) -> std::string {
|
||||
return "";
|
||||
},
|
||||
[&](const ExtendedOutputsSpec::All &) -> std::string {
|
||||
return "*";
|
||||
},
|
||||
[&](const ExtendedOutputsSpec::Names & outputNames) -> std::string {
|
||||
return "^" + concatStringsSep(",", outputNames);
|
||||
[&](const ExtendedOutputsSpec::Explicit & outputSpec) -> std::string {
|
||||
return "^" + outputSpec.to_string();
|
||||
},
|
||||
}, raw());
|
||||
}
|
||||
|
||||
|
||||
bool OutputsSpec::merge(const OutputsSpec & that)
|
||||
{
|
||||
return std::visit(overloaded {
|
||||
[&](OutputsSpec::All &) {
|
||||
/* If we already refer to all outputs, there is nothing to do. */
|
||||
return false;
|
||||
},
|
||||
[&](OutputsSpec::Names & theseNames) {
|
||||
return std::visit(overloaded {
|
||||
[&](const OutputsSpec::All &) {
|
||||
*this = OutputsSpec::All {};
|
||||
return true;
|
||||
},
|
||||
[&](const OutputsSpec::Names & thoseNames) {
|
||||
bool ret = false;
|
||||
for (auto & i : thoseNames)
|
||||
if (theseNames.insert(i).second)
|
||||
ret = true;
|
||||
return ret;
|
||||
},
|
||||
}, that.raw());
|
||||
},
|
||||
}, raw());
|
||||
}
|
||||
|
||||
|
||||
void to_json(nlohmann::json & json, const OutputsSpec & outputsSpec)
|
||||
{
|
||||
std::visit(overloaded {
|
||||
[&](const OutputsSpec::All &) {
|
||||
json = std::vector<std::string>({"*"});
|
||||
},
|
||||
[&](const OutputsSpec::Names & names) {
|
||||
json = names;
|
||||
},
|
||||
}, outputsSpec);
|
||||
}
|
||||
|
||||
|
||||
void to_json(nlohmann::json & json, const ExtendedOutputsSpec & extendedOutputsSpec)
|
||||
{
|
||||
if (std::get_if<DefaultOutputs>(&extendedOutputsSpec))
|
||||
json = nullptr;
|
||||
|
||||
else if (std::get_if<AllOutputs>(&extendedOutputsSpec))
|
||||
json = std::vector<std::string>({"*"});
|
||||
|
||||
else if (auto outputNames = std::get_if<OutputNames>(&extendedOutputsSpec))
|
||||
json = *outputNames;
|
||||
std::visit(overloaded {
|
||||
[&](const ExtendedOutputsSpec::Default &) {
|
||||
json = nullptr;
|
||||
},
|
||||
[&](const ExtendedOutputsSpec::Explicit & e) {
|
||||
to_json(json, e);
|
||||
},
|
||||
}, extendedOutputsSpec);
|
||||
}
|
||||
|
||||
|
||||
void from_json(const nlohmann::json & json, OutputsSpec & outputsSpec)
|
||||
{
|
||||
auto names = json.get<OutputNames>();
|
||||
if (names == OutputNames({"*"}))
|
||||
outputsSpec = OutputsSpec::All {};
|
||||
else
|
||||
outputsSpec = names;
|
||||
}
|
||||
|
||||
|
||||
void from_json(const nlohmann::json & json, ExtendedOutputsSpec & extendedOutputsSpec)
|
||||
{
|
||||
if (json.is_null())
|
||||
extendedOutputsSpec = DefaultOutputs();
|
||||
extendedOutputsSpec = ExtendedOutputsSpec::Default {};
|
||||
else {
|
||||
auto names = json.get<OutputNames>();
|
||||
if (names == OutputNames({"*"}))
|
||||
extendedOutputsSpec = AllOutputs();
|
||||
else
|
||||
extendedOutputsSpec = names;
|
||||
extendedOutputsSpec = ExtendedOutputsSpec::Explicit { json.get<OutputsSpec>() };
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
#pragma once
|
||||
|
||||
#include <optional>
|
||||
#include <set>
|
||||
#include <variant>
|
||||
|
||||
|
|
@ -13,31 +14,66 @@ struct AllOutputs {
|
|||
bool operator < (const AllOutputs & _) const { return false; }
|
||||
};
|
||||
|
||||
typedef std::variant<AllOutputs, OutputNames> _OutputsSpecRaw;
|
||||
|
||||
struct OutputsSpec : _OutputsSpecRaw {
|
||||
using Raw = _OutputsSpecRaw;
|
||||
using Raw::Raw;
|
||||
|
||||
using Names = OutputNames;
|
||||
using All = AllOutputs;
|
||||
|
||||
inline const Raw & raw() const {
|
||||
return static_cast<const Raw &>(*this);
|
||||
}
|
||||
|
||||
inline Raw & raw() {
|
||||
return static_cast<Raw &>(*this);
|
||||
}
|
||||
|
||||
bool contains(const std::string & output) const;
|
||||
|
||||
/* Modify the receiver outputs spec so it is the union of it's old value
|
||||
and the argument. Return whether the output spec needed to be modified
|
||||
--- if it didn't it was already "large enough". */
|
||||
bool merge(const OutputsSpec & outputs);
|
||||
|
||||
/* Parse a string of the form 'output1,...outputN' or
|
||||
'*', returning the outputs spec. */
|
||||
static OutputsSpec parse(std::string_view s);
|
||||
static std::optional<OutputsSpec> parseOpt(std::string_view s);
|
||||
|
||||
std::string to_string() const;
|
||||
};
|
||||
|
||||
struct DefaultOutputs {
|
||||
bool operator < (const DefaultOutputs & _) const { return false; }
|
||||
};
|
||||
|
||||
typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> _ExtendedOutputsSpecRaw;
|
||||
typedef std::variant<DefaultOutputs, OutputsSpec> _ExtendedOutputsSpecRaw;
|
||||
|
||||
struct ExtendedOutputsSpec : _ExtendedOutputsSpecRaw {
|
||||
using Raw = _ExtendedOutputsSpecRaw;
|
||||
using Raw::Raw;
|
||||
|
||||
using Names = OutputNames;
|
||||
using All = AllOutputs;
|
||||
using Default = DefaultOutputs;
|
||||
using Explicit = OutputsSpec;
|
||||
|
||||
inline const Raw & raw() const {
|
||||
return static_cast<const Raw &>(*this);
|
||||
}
|
||||
|
||||
/* Parse a string of the form 'prefix^output1,...outputN' or
|
||||
'prefix^*', returning the prefix and the outputs spec. */
|
||||
static std::pair<std::string, ExtendedOutputsSpec> parse(std::string s);
|
||||
'prefix^*', returning the prefix and the extended outputs spec. */
|
||||
static std::pair<std::string_view, ExtendedOutputsSpec> parse(std::string_view s);
|
||||
|
||||
std::string to_string() const;
|
||||
};
|
||||
|
||||
|
||||
void to_json(nlohmann::json &, const OutputsSpec &);
|
||||
void from_json(const nlohmann::json &, OutputsSpec &);
|
||||
|
||||
void to_json(nlohmann::json &, const ExtendedOutputsSpec &);
|
||||
void from_json(const nlohmann::json &, ExtendedOutputsSpec &);
|
||||
|
||||
|
|
|
|||
|
|
@ -15,10 +15,14 @@ std::string StorePathWithOutputs::to_string(const Store & store) const
|
|||
|
||||
DerivedPath StorePathWithOutputs::toDerivedPath() const
|
||||
{
|
||||
if (!outputs.empty() || path.isDerivation())
|
||||
return DerivedPath::Built { path, outputs };
|
||||
else
|
||||
if (!outputs.empty()) {
|
||||
return DerivedPath::Built { path, OutputsSpec::Names { outputs } };
|
||||
} else if (path.isDerivation()) {
|
||||
assert(outputs.empty());
|
||||
return DerivedPath::Built { path, OutputsSpec::All { } };
|
||||
} else {
|
||||
return DerivedPath::Opaque { path };
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -41,7 +45,18 @@ std::variant<StorePathWithOutputs, StorePath> StorePathWithOutputs::tryFromDeriv
|
|||
return StorePathWithOutputs { bo.path };
|
||||
},
|
||||
[&](const DerivedPath::Built & bfd) -> std::variant<StorePathWithOutputs, StorePath> {
|
||||
return StorePathWithOutputs { bfd.drvPath, bfd.outputs };
|
||||
return StorePathWithOutputs {
|
||||
.path = bfd.drvPath,
|
||||
// Use legacy encoding of wildcard as empty set
|
||||
.outputs = std::visit(overloaded {
|
||||
[&](const OutputsSpec::All &) -> StringSet {
|
||||
return {};
|
||||
},
|
||||
[&](const OutputsSpec::Names & outputs) {
|
||||
return outputs;
|
||||
},
|
||||
}, bfd.outputs.raw()),
|
||||
};
|
||||
},
|
||||
}, p.raw());
|
||||
}
|
||||
|
|
|
|||
|
|
@ -64,7 +64,6 @@ public:
|
|||
|
||||
typedef std::set<StorePath> StorePathSet;
|
||||
typedef std::vector<StorePath> StorePaths;
|
||||
typedef std::map<std::string, StorePath> OutputPathMap;
|
||||
|
||||
typedef std::map<StorePath, std::optional<ContentAddress>> StorePathCAMap;
|
||||
|
||||
|
|
|
|||
|
|
@ -867,8 +867,8 @@ std::vector<BuildResult> RemoteStore::buildPathsWithResults(
|
|||
OutputPathMap outputs;
|
||||
auto drv = evalStore->readDerivation(bfd.drvPath);
|
||||
const auto outputHashes = staticOutputHashes(*evalStore, drv); // FIXME: expensive
|
||||
const auto drvOutputs = drv.outputsAndOptPaths(*this);
|
||||
for (auto & output : bfd.outputs) {
|
||||
auto built = resolveDerivedPath(*this, bfd, &*evalStore);
|
||||
for (auto & [output, outputPath] : built) {
|
||||
auto outputHash = get(outputHashes, output);
|
||||
if (!outputHash)
|
||||
throw Error(
|
||||
|
|
@ -882,16 +882,11 @@ std::vector<BuildResult> RemoteStore::buildPathsWithResults(
|
|||
throw MissingRealisation(outputId);
|
||||
res.builtOutputs.emplace(realisation->id, *realisation);
|
||||
} else {
|
||||
// If ca-derivations isn't enabled, assume that
|
||||
// the output path is statically known.
|
||||
const auto drvOutput = get(drvOutputs, output);
|
||||
assert(drvOutput);
|
||||
assert(drvOutput->second);
|
||||
res.builtOutputs.emplace(
|
||||
outputId,
|
||||
Realisation {
|
||||
.id = outputId,
|
||||
.outPath = *drvOutput->second,
|
||||
.outPath = outputPath,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -71,6 +71,9 @@ class NarInfoDiskCache;
|
|||
class Store;
|
||||
|
||||
|
||||
typedef std::map<std::string, StorePath> OutputPathMap;
|
||||
|
||||
|
||||
enum CheckSigsFlag : bool { NoCheckSigs = false, CheckSigs = true };
|
||||
enum SubstituteFlag : bool { NoSubstitute = false, Substitute = true };
|
||||
enum AllowInvalidFlag : bool { DisallowInvalid = false, AllowInvalid = true };
|
||||
|
|
@ -120,6 +123,8 @@ public:
|
|||
|
||||
typedef std::map<std::string, std::string> Params;
|
||||
|
||||
|
||||
|
||||
protected:
|
||||
|
||||
struct PathInfoCacheValue {
|
||||
|
|
@ -719,6 +724,11 @@ void copyClosure(
|
|||
void removeTempRoots();
|
||||
|
||||
|
||||
/* Resolve the derived path completely, failing if any derivation output
|
||||
is unknown. */
|
||||
OutputPathMap resolveDerivedPath(Store &, const DerivedPath::Built &, Store * evalStore = nullptr);
|
||||
|
||||
|
||||
/* Return a Store object to access the Nix store denoted by
|
||||
‘uri’ (slight misnomer...). Supported values are:
|
||||
|
||||
|
|
|
|||
|
|
@ -4,42 +4,62 @@
|
|||
|
||||
namespace nix {
|
||||
|
||||
TEST(OutputsSpec_parse, basic)
|
||||
{
|
||||
{
|
||||
auto outputsSpec = OutputsSpec::parse("*");
|
||||
ASSERT_TRUE(std::get_if<OutputsSpec::All>(&outputsSpec));
|
||||
}
|
||||
|
||||
{
|
||||
auto outputsSpec = OutputsSpec::parse("out");
|
||||
ASSERT_TRUE(std::get<OutputsSpec::Names>(outputsSpec) == OutputsSpec::Names({"out"}));
|
||||
}
|
||||
|
||||
{
|
||||
auto outputsSpec = OutputsSpec::parse("out,bin");
|
||||
ASSERT_TRUE(std::get<OutputsSpec::Names>(outputsSpec) == OutputsSpec::Names({"out", "bin"}));
|
||||
}
|
||||
|
||||
{
|
||||
std::optional outputsSpecOpt = OutputsSpec::parseOpt("&*()");
|
||||
ASSERT_FALSE(outputsSpecOpt);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
TEST(ExtendedOutputsSpec_parse, basic)
|
||||
{
|
||||
{
|
||||
auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse("foo");
|
||||
ASSERT_EQ(prefix, "foo");
|
||||
ASSERT_TRUE(std::get_if<DefaultOutputs>(&extendedOutputsSpec));
|
||||
ASSERT_TRUE(std::get_if<ExtendedOutputsSpec::Default>(&extendedOutputsSpec));
|
||||
}
|
||||
|
||||
{
|
||||
auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse("foo^*");
|
||||
ASSERT_EQ(prefix, "foo");
|
||||
ASSERT_TRUE(std::get_if<AllOutputs>(&extendedOutputsSpec));
|
||||
auto * explicit_p = std::get_if<ExtendedOutputsSpec::Explicit>(&extendedOutputsSpec);
|
||||
ASSERT_TRUE(explicit_p);
|
||||
ASSERT_TRUE(std::get_if<OutputsSpec::All>(explicit_p));
|
||||
}
|
||||
|
||||
{
|
||||
auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse("foo^out");
|
||||
ASSERT_EQ(prefix, "foo");
|
||||
ASSERT_TRUE(std::get<OutputNames>(extendedOutputsSpec) == OutputNames({"out"}));
|
||||
ASSERT_TRUE(std::get<OutputsSpec::Names>(std::get<ExtendedOutputsSpec::Explicit>(extendedOutputsSpec)) == OutputsSpec::Names({"out"}));
|
||||
}
|
||||
|
||||
{
|
||||
auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse("foo^out,bin");
|
||||
ASSERT_EQ(prefix, "foo");
|
||||
ASSERT_TRUE(std::get<OutputNames>(extendedOutputsSpec) == OutputNames({"out", "bin"}));
|
||||
ASSERT_TRUE(std::get<OutputsSpec::Names>(std::get<ExtendedOutputsSpec::Explicit>(extendedOutputsSpec)) == OutputsSpec::Names({"out", "bin"}));
|
||||
}
|
||||
|
||||
{
|
||||
auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse("foo^bar^out,bin");
|
||||
ASSERT_EQ(prefix, "foo^bar");
|
||||
ASSERT_TRUE(std::get<OutputNames>(extendedOutputsSpec) == OutputNames({"out", "bin"}));
|
||||
}
|
||||
|
||||
{
|
||||
auto [prefix, extendedOutputsSpec] = ExtendedOutputsSpec::parse("foo^&*()");
|
||||
ASSERT_EQ(prefix, "foo^&*()");
|
||||
ASSERT_TRUE(std::get_if<DefaultOutputs>(&extendedOutputsSpec));
|
||||
ASSERT_TRUE(std::get<OutputsSpec::Names>(std::get<ExtendedOutputsSpec::Explicit>(extendedOutputsSpec)) == OutputsSpec::Names({"out", "bin"}));
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -397,7 +397,7 @@ static void main_nix_build(int argc, char * * argv)
|
|||
auto bashDrv = drv->requireDrvPath();
|
||||
pathsToBuild.push_back(DerivedPath::Built {
|
||||
.drvPath = bashDrv,
|
||||
.outputs = {"out"},
|
||||
.outputs = OutputsSpec::Names {"out"},
|
||||
});
|
||||
pathsToCopy.insert(bashDrv);
|
||||
shellDrv = bashDrv;
|
||||
|
|
@ -591,7 +591,7 @@ static void main_nix_build(int argc, char * * argv)
|
|||
if (outputName == "")
|
||||
throw Error("derivation '%s' lacks an 'outputName' attribute", store->printStorePath(drvPath));
|
||||
|
||||
pathsToBuild.push_back(DerivedPath::Built{drvPath, {outputName}});
|
||||
pathsToBuild.push_back(DerivedPath::Built{drvPath, OutputsSpec::Names{outputName}});
|
||||
pathsToBuildOrdered.push_back({drvPath, {outputName}});
|
||||
drvsToCopy.insert(drvPath);
|
||||
|
||||
|
|
|
|||
|
|
@ -86,13 +86,13 @@ UnresolvedApp Installable::toApp(EvalState & state)
|
|||
/* We want all outputs of the drv */
|
||||
return DerivedPath::Built {
|
||||
.drvPath = d.drvPath,
|
||||
.outputs = {},
|
||||
.outputs = OutputsSpec::All {},
|
||||
};
|
||||
},
|
||||
[&](const NixStringContextElem::Built & b) -> DerivedPath {
|
||||
return DerivedPath::Built {
|
||||
.drvPath = b.drvPath,
|
||||
.outputs = { b.output },
|
||||
.outputs = OutputsSpec::Names { b.output },
|
||||
};
|
||||
},
|
||||
[&](const NixStringContextElem::Opaque & o) -> DerivedPath {
|
||||
|
|
@ -127,7 +127,7 @@ UnresolvedApp Installable::toApp(EvalState & state)
|
|||
return UnresolvedApp { App {
|
||||
.context = { DerivedPath::Built {
|
||||
.drvPath = drvPath,
|
||||
.outputs = {outputName},
|
||||
.outputs = OutputsSpec::Names { outputName },
|
||||
} },
|
||||
.program = program,
|
||||
}};
|
||||
|
|
|
|||
Loading…
Reference in a new issue