lix/src/libstore/path-with-outputs.hh
John Ericson a8f45b5e5a Improve OutputsSpec slightly
A few little changes preparing for the rest.
2023-01-11 18:54:50 -05:00

41 lines
1.2 KiB
C++

#pragma once
#include "path.hh"
#include "derived-path.hh"
namespace nix {
/* 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 Store & store) const;
DerivedPath toDerivedPath() const;
static std::variant<StorePathWithOutputs, StorePath> tryFromDerivedPath(const DerivedPath &);
};
std::vector<DerivedPath> toDerivedPaths(const std::vector<StorePathWithOutputs>);
std::pair<std::string_view, StringSet> parsePathWithOutputs(std::string_view s);
class Store;
/* 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 Store & store, std::string_view pathWithOutputs);
StorePathWithOutputs followLinksToStorePathWithOutputs(const Store & store, std::string_view pathWithOutputs);
}