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#pragma once
#include "sync.hh"
#include "flake.hh"
namespace nix { struct SQLite; struct SQLiteStmt; }
namespace nix::flake {
class EvalCache
{
struct State;
std::unique_ptr<Sync<State>> _state;
EvalCache();
public:
struct Derivation
{
Path drvPath;
Path outPath;
std::string outputName;
};
void addDerivation(
const Fingerprint & fingerprint,
const std::string & attrPath,
const Derivation & drv);
std::optional<Derivation> getDerivation(
const Fingerprint & fingerprint,
const std::string & attrPath);
static EvalCache & singleton();
};
}
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