forked from lix-project/lix
59 lines
1.5 KiB
C++
59 lines
1.5 KiB
C++
#pragma once
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#include "types.hh"
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#include "hash.hh"
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#include <variant>
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namespace nix {
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class Store;
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namespace fetchers { struct Input; }
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typedef std::string FlakeId;
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struct FlakeRef
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{
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std::shared_ptr<const fetchers::Input> input;
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Path subdir;
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bool operator==(const FlakeRef & other) const;
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FlakeRef(const std::shared_ptr<const fetchers::Input> & input, const Path & subdir)
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: input(input), subdir(subdir)
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{
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assert(input);
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}
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// FIXME: change to operator <<.
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std::string to_string() const;
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/* Check whether this is a "direct" flake reference, that is, not
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a flake ID, which requires a lookup in the flake registry. */
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bool isDirect() const;
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/* Check whether this is an "immutable" flake reference, that is,
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one that contains a commit hash or content hash. */
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bool isImmutable() const;
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FlakeRef resolve(ref<Store> store) const;
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};
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std::ostream & operator << (std::ostream & str, const FlakeRef & flakeRef);
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FlakeRef parseFlakeRef(
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const std::string & url, const std::optional<Path> & baseDir = {});
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std::optional<FlakeRef> maybeParseFlake(
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const std::string & url, const std::optional<Path> & baseDir = {});
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std::pair<FlakeRef, std::string> parseFlakeRefWithFragment(
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const std::string & url, const std::optional<Path> & baseDir = {});
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std::optional<std::pair<FlakeRef, std::string>> maybeParseFlakeRefWithFragment(
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const std::string & url, const std::optional<Path> & baseDir = {});
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}
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