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#include "worker.hh"
#include "substitution-goal.hh"
#include "derivation-goal.hh"
#include "local-store.hh"
namespace nix {
void Store::buildPaths(const std::vector<DerivedPath> & reqs, BuildMode buildMode, std::shared_ptr<Store> evalStore)
{
Worker worker(*this, evalStore ? *evalStore : *this);
Goals goals;
for (auto & br : reqs)
goals.insert(worker.makeGoal(br, buildMode));
worker.run(goals);
StorePathSet failed;
std::optional<Error> ex;
for (auto & i : goals) {
if (i->ex) {
if (ex)
logError(i->ex->info());
else
ex = std::move(i->ex);
}
if (i->exitCode != Goal::ecSuccess) {
if (auto i2 = dynamic_cast<DerivationGoal *>(i.get())) failed.insert(i2->drvPath);
else if (auto i2 = dynamic_cast<PathSubstitutionGoal *>(i.get())) failed.insert(i2->storePath);
}
}
if (failed.size() == 1 && ex) {
ex->status = worker.exitStatus();
throw std::move(*ex);
} else if (!failed.empty()) {
if (ex) logError(ex->info());
throw Error(worker.exitStatus(), "build of %s failed", showPaths(failed));
}
}
std::vector<BuildResult> Store::buildPathsWithResults(
const std::vector<DerivedPath> & reqs,
BuildMode buildMode,
std::shared_ptr<Store> evalStore)
{
Worker worker(*this, evalStore ? *evalStore : *this);
Goals goals;
for (const auto & br : reqs)
goals.insert(worker.makeGoal(br, buildMode));
worker.run(goals);
std::vector<BuildResult> results;
for (auto & i : goals)
results.push_back(i->buildResult);
return results;
}
BuildResult Store::buildDerivation(const StorePath & drvPath, const BasicDerivation & drv,
BuildMode buildMode)
{
Worker worker(*this, *this);
auto goal = worker.makeBasicDerivationGoal(drvPath, drv, OutputsSpec::All {}, buildMode);
try {
worker.run(Goals{goal});
return goal->buildResult;
} catch (Error & e) {
return BuildResult {
.status = BuildResult::MiscFailure,
.errorMsg = e.msg(),
.path = DerivedPath::Built {
.drvPath = drvPath,
.outputs = OutputsSpec::All { },
},
};
};
}
void Store::ensurePath(const StorePath & path)
{
/* If the path is already valid, we're done. */
if (isValidPath(path)) return;
Worker worker(*this, *this);
GoalPtr goal = worker.makePathSubstitutionGoal(path);
Goals goals = {goal};
worker.run(goals);
if (goal->exitCode != Goal::ecSuccess) {
if (goal->ex) {
goal->ex->status = worker.exitStatus();
throw std::move(*goal->ex);
} else
throw Error(worker.exitStatus(), "path '%s' does not exist and cannot be created", printStorePath(path));
}
}
void LocalStore::repairPath(const StorePath & path)
{
Worker worker(*this, *this);
GoalPtr goal = worker.makePathSubstitutionGoal(path, Repair);
Goals goals = {goal};
worker.run(goals);
if (goal->exitCode != Goal::ecSuccess) {
/* Since substituting the path didn't work, if we have a valid
deriver, then rebuild the deriver. */
auto info = queryPathInfo(path);
if (info->deriver && isValidPath(*info->deriver)) {
goals.clear();
// FIXME: Should just build the specific output we need.
goals.insert(worker.makeDerivationGoal(*info->deriver, OutputsSpec::All { }, bmRepair));
worker.run(goals);
} else
throw Error(worker.exitStatus(), "cannot repair path '%s'", printStorePath(path));
}
}
}
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