forked from lix-project/lix
74024515a3
An example use is for pinning the "nixpkgs" entry the system-wide registry to a particular store path. Inexact matches (e.g. "nixpkgs/master") should still use the global registry.
66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
#pragma once
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#include "types.hh"
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#include "fetchers.hh"
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namespace nix { class Store; }
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namespace nix::fetchers {
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struct Registry
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{
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enum RegistryType {
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Flag = 0,
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User = 1,
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System = 2,
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Global = 3,
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};
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RegistryType type;
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struct Entry
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{
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std::shared_ptr<const Input> from;
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std::shared_ptr<const Input> to;
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Attrs extraAttrs;
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bool exact = false;
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};
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std::vector<Entry> entries;
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Registry(RegistryType type)
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: type(type)
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{ }
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static std::shared_ptr<Registry> read(
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const Path & path, RegistryType type);
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void write(const Path & path);
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void add(
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const std::shared_ptr<const Input> & from,
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const std::shared_ptr<const Input> & to,
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const Attrs & extraAttrs);
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void remove(const std::shared_ptr<const Input> & input);
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};
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typedef std::vector<std::shared_ptr<Registry>> Registries;
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std::shared_ptr<Registry> getUserRegistry();
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Path getUserRegistryPath();
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Registries getRegistries(ref<Store> store);
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void overrideRegistry(
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const std::shared_ptr<const Input> & from,
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const std::shared_ptr<const Input> & to,
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const Attrs & extraAttrs);
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std::pair<std::shared_ptr<const Input>, Attrs> lookupInRegistries(
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ref<Store> store,
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std::shared_ptr<const Input> input);
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}
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