88 lines
2.6 KiB
C++
88 lines
2.6 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 Store & 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() || path.isDerivation())
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return DerivedPath::Built { path, outputs };
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else
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return DerivedPath::Opaque { path };
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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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std::variant<StorePathWithOutputs, StorePath> 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) -> std::variant<StorePathWithOutputs, StorePath> {
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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) -> std::variant<StorePathWithOutputs, StorePath> {
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return StorePathWithOutputs { bfd.drvPath, bfd.outputs };
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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(((std::string_view) s).substr(0, n),
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tokenizeString<std::set<std::string>>(((std::string_view) s).substr(n + 1), ","));
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}
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StorePathWithOutputs parsePathWithOutputs(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.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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std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s)
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{
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static std::regex regex(R"((.*)\^((\*)|([a-z]+(,[a-z]+)*)))");
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std::smatch match;
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if (!std::regex_match(s, match, regex))
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return {s, DefaultOutputs()};
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if (match[3].matched)
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return {match[1], AllOutputs()};
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return {match[1], tokenizeString<OutputNames>(match[4].str(), ",")};
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}
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}
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