150 lines
4.5 KiB
C++
150 lines
4.5 KiB
C++
#include "built-path.hh"
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#include "derivations.hh"
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#include "store-api.hh"
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#include <nlohmann/json.hpp>
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#include <optional>
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namespace nix {
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#define CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, COMPARATOR) \
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bool MY_TYPE ::operator COMPARATOR (const MY_TYPE & other) const \
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{ \
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const MY_TYPE* me = this; \
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auto fields1 = std::tie(*me->drvPath, me->FIELD); \
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me = &other; \
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auto fields2 = std::tie(*me->drvPath, me->FIELD); \
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return fields1 COMPARATOR fields2; \
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}
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#define CMP(CHILD_TYPE, MY_TYPE, FIELD) \
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CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, ==) \
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CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, !=) \
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CMP_ONE(CHILD_TYPE, MY_TYPE, FIELD, <)
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#define FIELD_TYPE std::pair<std::string, StorePath>
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CMP(SingleBuiltPath, SingleBuiltPathBuilt, output)
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#undef FIELD_TYPE
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#define FIELD_TYPE std::map<std::string, StorePath>
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CMP(SingleBuiltPath, BuiltPathBuilt, outputs)
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#undef FIELD_TYPE
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#undef CMP
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#undef CMP_ONE
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StorePath SingleBuiltPath::outPath() const
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{
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return std::visit(
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overloaded{
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[](const SingleBuiltPath::Opaque & p) { return p.path; },
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[](const SingleBuiltPath::Built & b) { return b.output.second; },
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}, raw()
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);
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}
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StorePathSet BuiltPath::outPaths() const
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{
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return std::visit(
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overloaded{
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[](const BuiltPath::Opaque & p) { return StorePathSet{p.path}; },
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[](const BuiltPath::Built & b) {
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StorePathSet res;
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for (auto & [_, path] : b.outputs)
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res.insert(path);
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return res;
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},
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}, raw()
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);
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}
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SingleDerivedPath::Built SingleBuiltPath::Built::discardOutputPath() const
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{
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return SingleDerivedPath::Built {
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.drvPath = make_ref<SingleDerivedPath>(drvPath->discardOutputPath()),
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.output = output.first,
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};
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}
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SingleDerivedPath SingleBuiltPath::discardOutputPath() const
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{
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return std::visit(
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overloaded{
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[](const SingleBuiltPath::Opaque & p) -> SingleDerivedPath {
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return p;
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},
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[](const SingleBuiltPath::Built & b) -> SingleDerivedPath {
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return b.discardOutputPath();
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},
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}, raw()
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);
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}
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nlohmann::json BuiltPath::Built::toJSON(const StoreDirConfig & store) const
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{
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nlohmann::json res;
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res["drvPath"] = drvPath->toJSON(store);
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for (const auto & [outputName, outputPath] : outputs) {
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res["outputs"][outputName] = store.printStorePath(outputPath);
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}
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return res;
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}
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nlohmann::json SingleBuiltPath::Built::toJSON(const StoreDirConfig & store) const
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{
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nlohmann::json res;
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res["drvPath"] = drvPath->toJSON(store);
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auto & [outputName, outputPath] = output;
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res["output"] = outputName;
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res["outputPath"] = store.printStorePath(outputPath);
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return res;
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}
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nlohmann::json SingleBuiltPath::toJSON(const StoreDirConfig & store) const
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{
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return std::visit([&](const auto & buildable) {
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return buildable.toJSON(store);
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}, raw());
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}
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nlohmann::json BuiltPath::toJSON(const StoreDirConfig & store) const
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{
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return std::visit([&](const auto & buildable) {
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return buildable.toJSON(store);
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}, raw());
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}
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RealisedPath::Set BuiltPath::toRealisedPaths(Store & store) const
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{
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RealisedPath::Set res;
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std::visit(
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overloaded{
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[&](const BuiltPath::Opaque & p) { res.insert(p.path); },
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[&](const BuiltPath::Built & p) {
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auto drvHashes =
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staticOutputHashes(store, store.readDerivation(p.drvPath->outPath()));
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for (auto& [outputName, outputPath] : p.outputs) {
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if (experimentalFeatureSettings.isEnabled(
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Xp::CaDerivations)) {
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auto drvOutput = get(drvHashes, outputName);
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if (!drvOutput)
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throw Error(
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"the derivation '%s' has unrealised output '%s' (derived-path.cc/toRealisedPaths)",
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store.printStorePath(p.drvPath->outPath()), outputName);
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auto thisRealisation = store.queryRealisation(
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DrvOutput{*drvOutput, outputName});
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assert(thisRealisation); // We’ve built it, so we must
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// have the realisation
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res.insert(*thisRealisation);
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} else {
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res.insert(outputPath);
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}
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}
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},
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},
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raw());
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return res;
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}
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}
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