nix-super/src/libstore/path-with-outputs.hh
John Ericson dde1d86338 Restrict some code to StoreDirConfig
- part of eval cache
 - part of derivations
 - derived path
 - store path with outputs
 - serializers
2023-11-04 19:05:36 -04:00

48 lines
1.3 KiB
C++

#pragma once
///@file
#include "path.hh"
#include "derived-path.hh"
namespace nix {
struct StoreDirConfig;
/**
* This is a deprecated old type just for use by the old CLI, and older
* versions of the RPC protocols. In new code don't use it; you want
* `DerivedPath` instead.
*
* `DerivedPath` is better because it handles more cases, and does so more
* explicitly without devious punning tricks.
*/
struct StorePathWithOutputs
{
StorePath path;
std::set<std::string> outputs;
std::string to_string(const StoreDirConfig & store) const;
DerivedPath toDerivedPath() const;
typedef std::variant<StorePathWithOutputs, StorePath, std::monostate> ParseResult;
static StorePathWithOutputs::ParseResult tryFromDerivedPath(const DerivedPath &);
};
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs>);
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s);
/**
* Split a string specifying a derivation and a set of outputs
* (/nix/store/hash-foo!out1,out2,...) into the derivation path
* and the outputs.
*/
StorePathWithOutputs parsePathWithOutputs(const StoreDirConfig & store, std::string_view pathWithOutputs);
class Store;
StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs);
}