mirror of
https://github.com/NixOS/nix
synced 2024-09-20 23:28:26 -04:00
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
#pragma once
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#include <variant>
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#include "path.hh"
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#include "derived-path.hh"
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namespace nix {
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struct StorePathWithOutputs
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{
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StorePath path;
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std::set<std::string> outputs;
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std::string to_string(const Store & store) const;
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DerivedPath toDerivedPath() const;
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static std::variant<StorePathWithOutputs, StorePath> tryFromDerivedPath(const DerivedPath &);
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};
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std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs>);
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std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s);
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class Store;
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/* Split a string specifying a derivation and a set of outputs
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(/nix/store/hash-foo!out1,out2,...) into the derivation path
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and the outputs. */
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StorePathWithOutputs parsePathWithOutputs(const Store & store, std::string_view pathWithOutputs);
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StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs);
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typedef std::set<std::string> OutputNames;
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struct AllOutputs { };
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struct DefaultOutputs { };
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typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> OutputsSpec;
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/* Parse a string of the form 'prefix^output1,...outputN' or
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'prefix^*', returning the prefix and the outputs spec. */
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std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s);
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}
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