lix/src/libstore/build-result.hh
2022-03-09 20:31:50 +01:00

90 lines
2.8 KiB
C++

#pragma once
#include "realisation.hh"
#include <string>
#include <chrono>
namespace nix {
struct BuildResult
{
/* Note: don't remove status codes, and only add new status codes
at the end of the list, to prevent client/server
incompatibilities in the nix-store --serve protocol. */
enum Status {
Built = 0,
Substituted,
AlreadyValid,
PermanentFailure,
InputRejected,
OutputRejected,
TransientFailure, // possibly transient
CachedFailure, // no longer used
TimedOut,
MiscFailure,
DependencyFailed,
LogLimitExceeded,
NotDeterministic,
ResolvesToAlreadyValid,
NoSubstituters,
} status = MiscFailure;
std::string errorMsg;
std::string toString() const {
auto strStatus = [&]() {
switch (status) {
case Built: return "Built";
case Substituted: return "Substituted";
case AlreadyValid: return "AlreadyValid";
case PermanentFailure: return "PermanentFailure";
case InputRejected: return "InputRejected";
case OutputRejected: return "OutputRejected";
case TransientFailure: return "TransientFailure";
case CachedFailure: return "CachedFailure";
case TimedOut: return "TimedOut";
case MiscFailure: return "MiscFailure";
case DependencyFailed: return "DependencyFailed";
case LogLimitExceeded: return "LogLimitExceeded";
case NotDeterministic: return "NotDeterministic";
case ResolvesToAlreadyValid: return "ResolvesToAlreadyValid";
default: return "Unknown";
};
}();
return strStatus + ((errorMsg == "") ? "" : " : " + errorMsg);
}
/* How many times this build was performed. */
unsigned int timesBuilt = 0;
/* If timesBuilt > 1, whether some builds did not produce the same
result. (Note that 'isNonDeterministic = false' does not mean
the build is deterministic, just that we don't have evidence of
non-determinism.) */
bool isNonDeterministic = false;
/* The derivation we built or the store path we substituted. */
DerivedPath path;
/* For derivations, a mapping from the names of the wanted outputs
to actual paths. */
DrvOutputs builtOutputs;
/* The start/stop times of the build (or one of the rounds, if it
was repeated). */
time_t startTime = 0, stopTime = 0;
bool success()
{
return status == Built || status == Substituted || status == AlreadyValid || status == ResolvesToAlreadyValid;
}
void rethrow()
{
throw Error("%s", errorMsg);
}
};
}