libstore: make Goal::ex a shared_ptr
this makes WorkResult copyable, and just all around easier to deal with. in the future we'll need this to let Goal::work() return a promise for a WorkResult (or even just a Finished) that can be awaited by other goals. Change-Id: Ic5a1ce04c5a0f8e683bd00a2ed2b77a2e28989c1
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30a87b4cd5
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4 changed files with 6 additions and 6 deletions
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@ -1545,7 +1545,7 @@ Goal::Finished DerivationGoal::done(
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return Finished{
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.result = buildResult.success() ? ecSuccess : ecFailed,
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.ex = ex ? std::make_unique<Error>(std::move(*ex)) : nullptr,
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.ex = ex ? std::make_shared<Error>(std::move(*ex)) : nullptr,
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.permanentFailure = buildResult.status == BuildResult::PermanentFailure,
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.timedOut = buildResult.status == BuildResult::TimedOut,
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.hashMismatch = anyHashMismatchSeen,
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@ -16,13 +16,13 @@ void Store::buildPaths(const std::vector<DerivedPath> & reqs, BuildMode buildMod
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worker.run(goals);
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StringSet failed;
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std::optional<Error> ex;
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std::shared_ptr<Error> ex;
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for (auto & i : goals) {
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if (i->ex) {
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if (ex)
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logError(i->ex->info());
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else
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ex = std::move(*i->ex);
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ex = i->ex;
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}
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if (i->exitCode != Goal::ecSuccess) {
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if (auto i2 = dynamic_cast<DerivationGoal *>(i.get()))
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@ -118,7 +118,7 @@ public:
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};
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struct [[nodiscard]] Finished {
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ExitCode result;
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std::unique_ptr<Error> ex;
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std::shared_ptr<Error> ex;
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bool permanentFailure = false;
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bool timedOut = false;
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bool hashMismatch = false;
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@ -141,7 +141,7 @@ public:
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/**
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* Exception containing an error message, if any.
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*/
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std::unique_ptr<Error> ex;
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std::shared_ptr<Error> ex;
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explicit Goal(Worker & worker)
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: worker(worker)
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@ -150,7 +150,7 @@ void Worker::goalFinished(GoalPtr goal, Goal::Finished & f)
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if (!goal->waiters.empty())
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logError(f.ex->info());
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else
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goal->ex = std::move(f.ex);
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goal->ex = f.ex;
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}
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for (auto & i : goal->waiters) {
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