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