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#pragma once
#include "types.hh"
#include "fetchers.hh"
namespace nix { class Store; }
namespace nix::fetchers {
struct Registry
{
enum RegistryType {
Flag = 0,
User = 1,
Global = 2,
};
RegistryType type;
std::vector<
std::tuple<
std::shared_ptr<const Input>, // from
std::shared_ptr<const Input>, // to
Attrs // extra attributes
>
> entries;
Registry(RegistryType type)
: type(type)
{ }
static std::shared_ptr<Registry> read(
const Path & path, RegistryType type);
void write(const Path & path);
void add(
const std::shared_ptr<const Input> & from,
const std::shared_ptr<const Input> & to,
const Attrs & extraAttrs);
void remove(const std::shared_ptr<const Input> & input);
};
typedef std::vector<std::shared_ptr<Registry>> Registries;
std::shared_ptr<Registry> getUserRegistry();
Path getUserRegistryPath();
Registries getRegistries(ref<Store> store);
void overrideRegistry(
const std::shared_ptr<const Input> & from,
const std::shared_ptr<const Input> & to,
const Attrs & extraAttrs);
std::pair<std::shared_ptr<const Input>, Attrs> lookupInRegistries(
ref<Store> store,
std::shared_ptr<const Input> input);
}
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