forked from lix-project/lix
119 lines
3.5 KiB
C++
119 lines
3.5 KiB
C++
#include "derived-path.hh"
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#include "store-api.hh"
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#include <nlohmann/json.hpp>
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namespace nix {
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nlohmann::json DerivedPath::Opaque::toJSON(ref<Store> store) const {
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nlohmann::json res;
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res["path"] = store->printStorePath(path);
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return res;
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}
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nlohmann::json BuiltPath::Built::toJSON(ref<Store> store) const {
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nlohmann::json res;
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res["drvPath"] = store->printStorePath(drvPath);
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for (const auto& [output, path] : outputs) {
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res["outputs"][output] = store->printStorePath(path);
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}
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return res;
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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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[](BuiltPath::Opaque p) { return StorePathSet{p.path}; },
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[](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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nlohmann::json derivedPathsWithHintsToJSON(const BuiltPaths & buildables, ref<Store> store) {
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auto res = nlohmann::json::array();
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for (const BuiltPath & buildable : buildables) {
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std::visit([&res, store](const auto & buildable) {
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res.push_back(buildable.toJSON(store));
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}, buildable.raw());
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}
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return res;
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}
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std::string DerivedPath::Opaque::to_string(const Store & store) const {
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return store.printStorePath(path);
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}
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std::string DerivedPath::Built::to_string(const Store & store) const {
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return store.printStorePath(drvPath)
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+ "!"
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+ (outputs.empty() ? std::string { "*" } : concatStringsSep(",", outputs));
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}
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std::string DerivedPath::to_string(const Store & store) const
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{
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return std::visit(
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[&](const auto & req) { return req.to_string(store); },
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this->raw());
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}
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DerivedPath::Opaque DerivedPath::Opaque::parse(const Store & store, std::string_view s)
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{
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return {store.parseStorePath(s)};
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}
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DerivedPath::Built DerivedPath::Built::parse(const Store & store, std::string_view s)
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{
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size_t n = s.find("!");
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assert(n != s.npos);
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auto drvPath = store.parseStorePath(s.substr(0, n));
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auto outputsS = s.substr(n + 1);
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std::set<string> outputs;
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if (outputsS != "*")
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outputs = tokenizeString<std::set<string>>(outputsS, ",");
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return {drvPath, outputs};
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}
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DerivedPath DerivedPath::parse(const Store & store, std::string_view s)
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{
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size_t n = s.find("!");
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return n == s.npos
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? (DerivedPath) DerivedPath::Opaque::parse(store, s)
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: (DerivedPath) DerivedPath::Built::parse(store, s);
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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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[&](BuiltPath::Opaque p) { res.insert(p.path); },
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[&](BuiltPath::Built p) {
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auto drvHashes =
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staticOutputHashes(store, store.readDerivation(p.drvPath));
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for (auto& [outputName, outputPath] : p.outputs) {
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if (settings.isExperimentalFeatureEnabled(
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"ca-derivations")) {
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auto thisRealisation = store.queryRealisation(
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DrvOutput{drvHashes.at(outputName), outputName});
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assert(thisRealisation); // We’ve built it, so we must h
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// ve 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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