lix/src/libexpr/primops/flake.hh

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#include "types.hh"
#include "flakeref.hh"
#include <variant>
namespace nix {
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static const size_t FLAG_REGISTRY = 0;
static const size_t USER_REGISTRY = 1;
static const size_t GLOBAL_REGISTRY = 2;
struct Value;
class EvalState;
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struct FlakeRegistry
{
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std::map<FlakeRef, FlakeRef> entries;
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};
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struct LockFile
{
struct FlakeEntry
{
FlakeRef ref;
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std::map<FlakeRef, FlakeEntry> flakeEntries;
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std::map<FlakeId, FlakeRef> nonFlakeEntries;
FlakeEntry(const FlakeRef & flakeRef) : ref(flakeRef) {};
};
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std::map<FlakeRef, FlakeEntry> flakeEntries;
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std::map<FlakeId, FlakeRef> nonFlakeEntries;
};
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typedef std::vector<std::shared_ptr<FlakeRegistry>> Registries;
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Path getUserRegistryPath();
enum RegistryAccess { DisallowRegistry, AllowRegistry, AllowRegistryAtTop };
void makeFlakeValue(EvalState & state, const FlakeRef & flakeRef, RegistryAccess registryAccess, Value & v);
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std::shared_ptr<FlakeRegistry> readRegistry(const Path &);
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void writeRegistry(const FlakeRegistry &, const Path &);
struct FlakeSourceInfo
{
FlakeRef flakeRef;
Path storePath;
std::optional<Hash> rev;
std::optional<uint64_t> revCount;
// date
FlakeSourceInfo(const FlakeRef & flakeRef) : flakeRef(flakeRef) { }
};
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struct Flake
{
FlakeId id;
FlakeRef ref;
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std::string description;
FlakeSourceInfo sourceInfo;
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std::vector<FlakeRef> requires;
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std::map<FlakeAlias, FlakeRef> nonFlakeRequires;
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Value * vProvides; // FIXME: gc
Flake(const FlakeRef & flakeRef, FlakeSourceInfo && sourceInfo)
: ref(flakeRef), sourceInfo(sourceInfo) {};
};
struct NonFlake
{
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FlakeAlias alias;
FlakeRef ref;
Path path;
// date
// content hash
NonFlake(const FlakeRef flakeRef) : ref(flakeRef) {};
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};
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std::shared_ptr<FlakeRegistry> getGlobalRegistry();
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Flake getFlake(EvalState &, const FlakeRef &, bool impureIsAllowed);
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struct ResolvedFlake
{
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Flake flake;
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std::vector<ResolvedFlake> flakeDeps; // The flake dependencies
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std::vector<NonFlake> nonFlakeDeps;
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ResolvedFlake(const Flake & flake) : flake(flake) {}
};
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ResolvedFlake resolveFlake(EvalState &, const FlakeRef &, RegistryAccess registryAccess, bool isTopFlake = true);
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void updateLockFile(EvalState &, const Path & path);
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void gitCloneFlake (std::string flakeUri, EvalState &, Registries, Path);
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}