lix/src/libstore/fetchers/registry.hh
2020-01-22 20:00:58 +01:00

56 lines
1.1 KiB
C++

#pragma once
#include "types.hh"
namespace nix { class Store; }
namespace nix::fetchers {
struct Input;
struct Registry
{
enum RegistryType {
Flag = 0,
User = 1,
Global = 2,
};
RegistryType type;
std::vector<std::pair<std::shared_ptr<const Input>, std::shared_ptr<const Input>>> 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);
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);
std::shared_ptr<const Input> lookupInRegistries(
ref<Store> store,
std::shared_ptr<const Input> input);
}