#pragma once
#include <map>
#include <string>
#include "eval.hh"
namespace nix {
struct DrvInfo {
public:
typedef std::map<string, Path> Outputs;
private:
EvalState* state;
mutable string name;
mutable string system;
mutable string drvPath;
mutable string outPath;
mutable string outputName;
Outputs outputs;
bool failed = false; // set if we get an AssertionError
Bindings *attrs = nullptr, *meta = nullptr;
Bindings* getMeta();
bool checkMeta(Value& v);
public:
string attrPath; /* path towards the derivation */
DrvInfo(EvalState& state) : state(&state){};
DrvInfo(EvalState& state, const string& attrPath, Bindings* attrs);
DrvInfo(EvalState& state, ref<Store> store,
const std::string& drvPathWithOutputs);
string queryName() const;
string querySystem() const;
string queryDrvPath() const;
string queryOutPath() const;
string queryOutputName() const;
/** Return the list of outputs. The "outputs to install" are determined by
* `meta.outputsToInstall`. */
Outputs queryOutputs(bool onlyOutputsToInstall = false);
StringSet queryMetaNames();
Value* queryMeta(const string& name);
string queryMetaString(const string& name);
NixInt queryMetaInt(const string& name, NixInt def);
NixFloat queryMetaFloat(const string& name, NixFloat def);
bool queryMetaBool(const string& name, bool def);
void setMeta(const string& name, Value* v);
/*
MetaInfo queryMetaInfo(EvalState & state) const;
MetaValue queryMetaInfo(EvalState & state, const string & name) const;
*/
void setName(const string& s) { name = s; }
void setDrvPath(const string& s) { drvPath = s; }
void setOutPath(const string& s) { outPath = s; }
void setFailed() { failed = true; };
bool hasFailed() { return failed; };
};
#if HAVE_BOEHMGC
typedef list<DrvInfo, traceable_allocator<DrvInfo> > DrvInfos;
#else
typedef list<DrvInfo> DrvInfos;
#endif
/* If value `v' denotes a derivation, return a DrvInfo object
describing it. Otherwise return nothing. */
std::optional<DrvInfo> getDerivation(EvalState& state, Value& v,
bool ignoreAssertionFailures);
void getDerivations(EvalState& state, Value& v, const string& pathPrefix,
Bindings& autoArgs, DrvInfos& drvs,
bool ignoreAssertionFailures);
} // namespace nix
