102 lines
3.3 KiB
C++
102 lines
3.3 KiB
C++
#include "path-with-outputs.hh"
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#include "store-api.hh"
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#include <regex>
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namespace nix {
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std::string StorePathWithOutputs::to_string(const StoreDirConfig & store) const
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{
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return outputs.empty()
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? store.printStorePath(path)
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: store.printStorePath(path) + "!" + concatStringsSep(",", outputs);
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}
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DerivedPath StorePathWithOutputs::toDerivedPath() const
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{
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if (!outputs.empty()) {
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return DerivedPath::Built {
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.drvPath = makeConstantStorePathRef(path),
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.outputs = OutputsSpec::Names { outputs },
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};
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} else if (path.isDerivation()) {
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assert(outputs.empty());
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return DerivedPath::Built {
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.drvPath = makeConstantStorePathRef(path),
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.outputs = OutputsSpec::All { },
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};
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} else {
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return DerivedPath::Opaque { path };
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}
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}
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std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs> ss)
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{
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std::vector<DerivedPath> reqs;
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for (auto & s : ss) reqs.push_back(s.toDerivedPath());
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return reqs;
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}
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StorePathWithOutputs::ParseResult StorePathWithOutputs::tryFromDerivedPath(const DerivedPath & p)
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{
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return std::visit(overloaded {
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[&](const DerivedPath::Opaque & bo) -> StorePathWithOutputs::ParseResult {
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if (bo.path.isDerivation()) {
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// drv path gets interpreted as "build", not "get drv file itself"
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return bo.path;
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}
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return StorePathWithOutputs { bo.path };
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},
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[&](const DerivedPath::Built & bfd) -> StorePathWithOutputs::ParseResult {
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return std::visit(overloaded {
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[&](const SingleDerivedPath::Opaque & bo) -> StorePathWithOutputs::ParseResult {
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return StorePathWithOutputs {
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.path = bo.path,
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// Use legacy encoding of wildcard as empty set
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.outputs = std::visit(overloaded {
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[&](const OutputsSpec::All &) -> StringSet {
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return {};
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},
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[&](const OutputsSpec::Names & outputs) {
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return static_cast<StringSet>(outputs);
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},
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}, bfd.outputs.raw),
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};
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},
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[&](const SingleDerivedPath::Built &) -> StorePathWithOutputs::ParseResult {
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return std::monostate {};
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},
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}, bfd.drvPath->raw());
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},
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}, p.raw());
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}
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std::pair<std::string_view, StringSet> parsePathWithOutputs(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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? std::make_pair(s, std::set<std::string>())
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: std::make_pair(s.substr(0, n),
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tokenizeString<std::set<std::string>>(s.substr(n + 1), ","));
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}
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StorePathWithOutputs parsePathWithOutputs(const StoreDirConfig & store, std::string_view pathWithOutputs)
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{
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auto [path, outputs] = parsePathWithOutputs(pathWithOutputs);
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return StorePathWithOutputs { store.parseStorePath(path), std::move(outputs) };
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}
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StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs)
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{
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auto [path, outputs] = parsePathWithOutputs(pathWithOutputs);
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return StorePathWithOutputs { store.followLinksToStorePath(path), std::move(outputs) };
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}
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}
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