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Merge branch 'path-info' into ca-drv-exotic

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This commit is contained in:
John Ericson 2023-01-14 17:09:58 -05:00
commit 7c82213813
97 changed files with 1868 additions and 1001 deletions
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48
src/libstore/build/derivation-goal.cc
View file

@ -63,7 +63,7 @@
namespace nix {
DerivationGoal::DerivationGoal(const StorePath & drvPath,
const StringSet & wantedOutputs, Worker & worker, BuildMode buildMode)
const OutputsSpec & wantedOutputs, Worker & worker, BuildMode buildMode)
: Goal(worker, DerivedPath::Built { .drvPath = drvPath, .outputs = wantedOutputs })
, useDerivation(true)
, drvPath(drvPath)
@ -82,7 +82,7 @@ DerivationGoal::DerivationGoal(const StorePath & drvPath,
DerivationGoal::DerivationGoal(const StorePath & drvPath, const BasicDerivation & drv,
const StringSet & wantedOutputs, Worker & worker, BuildMode buildMode)
const OutputsSpec & wantedOutputs, Worker & worker, BuildMode buildMode)
: Goal(worker, DerivedPath::Built { .drvPath = drvPath, .outputs = wantedOutputs })
, useDerivation(false)
, drvPath(drvPath)
@ -142,18 +142,12 @@ void DerivationGoal::work()
(this->*state)();
}
void DerivationGoal::addWantedOutputs(const StringSet & outputs)
void DerivationGoal::addWantedOutputs(const OutputsSpec & outputs)
{
/* If we already want all outputs, there is nothing to do. */
if (wantedOutputs.empty()) return;
if (outputs.empty()) {
wantedOutputs.clear();
auto newWanted = wantedOutputs.union_(outputs);
if (!newWanted.isSubsetOf(wantedOutputs))
needRestart = true;
} else
for (auto & i : outputs)
if (wantedOutputs.insert(i).second)
needRestart = true;
wantedOutputs = newWanted;
}
@ -390,7 +384,7 @@ void DerivationGoal::repairClosure()
auto outputs = queryDerivationOutputMap();
StorePathSet outputClosure;
for (auto & i : outputs) {
if (!wantOutput(i.first, wantedOutputs)) continue;
if (!wantedOutputs.contains(i.first)) continue;
worker.store.computeFSClosure(i.second, outputClosure);
}
@ -422,7 +416,7 @@ void DerivationGoal::repairClosure()
if (drvPath2 == outputsToDrv.end())
addWaitee(upcast_goal(worker.makePathSubstitutionGoal(i, Repair)));
else
addWaitee(worker.makeDerivationGoal(drvPath2->second, StringSet(), bmRepair));
addWaitee(worker.makeDerivationGoal(drvPath2->second, OutputsSpec::All(), bmRepair));
}
if (waitees.empty()) {
@ -991,10 +985,15 @@ void DerivationGoal::resolvedFinished()
StorePathSet outputPaths;
// `wantedOutputs` might be empty, which means “all the outputs”
auto realWantedOutputs = wantedOutputs;
if (realWantedOutputs.empty())
realWantedOutputs = resolvedDrv.outputNames();
// `wantedOutputs` might merely indicate “all the outputs”
auto realWantedOutputs = std::visit(overloaded {
[&](const OutputsSpec::All &) {
return resolvedDrv.outputNames();
},
[&](const OutputsSpec::Names & names) {
return static_cast<std::set<std::string>>(names);
},
}, wantedOutputs.raw());
for (auto & wantedOutput : realWantedOutputs) {
auto initialOutput = get(initialOutputs, wantedOutput);
@ -1322,7 +1321,14 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
if (!drv->type().isPure()) return { false, {} };
bool checkHash = buildMode == bmRepair;
auto wantedOutputsLeft = wantedOutputs;
auto wantedOutputsLeft = std::visit(overloaded {
[&](const OutputsSpec::All &) {
return StringSet {};
},
[&](const OutputsSpec::Names & names) {
return static_cast<StringSet>(names);
},
}, wantedOutputs.raw());
DrvOutputs validOutputs;
for (auto & i : queryPartialDerivationOutputMap()) {
@ -1331,7 +1337,7 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
// this is an invalid output, gets catched with (!wantedOutputsLeft.empty())
continue;
auto & info = *initialOutput;
info.wanted = wantOutput(i.first, wantedOutputs);
info.wanted = wantedOutputs.contains(i.first);
if (info.wanted)
wantedOutputsLeft.erase(i.first);
if (i.second) {
@ -1369,7 +1375,7 @@ std::pair<bool, DrvOutputs> DerivationGoal::checkPathValidity()
validOutputs.emplace(drvOutput, Realisation { drvOutput, info.known->path });
}
// If we requested all the outputs via the empty set, we are always fine.
// If we requested all the outputs, we are always fine.
// If we requested specific elements, the loop above removes all the valid
// ones, so any that are left must be invalid.
if (!wantedOutputsLeft.empty())

9
src/libstore/build/derivation-goal.hh
View file

@ -2,6 +2,7 @@
#include "parsed-derivations.hh"
#include "lock.hh"
#include "outputs-spec.hh"
#include "store-api.hh"
#include "pathlocks.hh"
#include "goal.hh"
@ -55,7 +56,7 @@ struct DerivationGoal : public Goal
/* The specific outputs that we need to build. Empty means all of
them. */
StringSet wantedOutputs;
OutputsSpec wantedOutputs;
/* Mapping from input derivations + output names to actual store
paths. This is filled in by waiteeDone() as each dependency
@ -128,10 +129,10 @@ struct DerivationGoal : public Goal
std::string machineName;
DerivationGoal(const StorePath & drvPath,
const StringSet & wantedOutputs, Worker & worker,
const OutputsSpec & wantedOutputs, Worker & worker,
BuildMode buildMode = bmNormal);
DerivationGoal(const StorePath & drvPath, const BasicDerivation & drv,
const StringSet & wantedOutputs, Worker & worker,
const OutputsSpec & wantedOutputs, Worker & worker,
BuildMode buildMode = bmNormal);
virtual ~DerivationGoal();
@ -142,7 +143,7 @@ struct DerivationGoal : public Goal
void work() override;
/* Add wanted outputs to an already existing derivation goal. */
void addWantedOutputs(const StringSet & outputs);
void addWantedOutputs(const OutputsSpec & outputs);
/* The states. */
void getDerivation();

10
src/libstore/build/entry-points.cc
View file

@ -80,7 +80,7 @@ BuildResult Store::buildDerivation(const StorePath & drvPath, const BasicDerivat
BuildMode buildMode)
{
Worker worker(*this, *this);
auto goal = worker.makeBasicDerivationGoal(drvPath, drv, {}, buildMode);
auto goal = worker.makeBasicDerivationGoal(drvPath, drv, OutputsSpec::All {}, buildMode);
try {
worker.run(Goals{goal});
@ -89,7 +89,10 @@ BuildResult Store::buildDerivation(const StorePath & drvPath, const BasicDerivat
return BuildResult {
.status = BuildResult::MiscFailure,
.errorMsg = e.msg(),
.path = DerivedPath::Built { .drvPath = drvPath },
.path = DerivedPath::Built {
.drvPath = drvPath,
.outputs = OutputsSpec::All { },
},
};
};
}
@ -130,7 +133,8 @@ void LocalStore::repairPath(const StorePath & path)
auto info = queryPathInfo(path);
if (info->deriver && isValidPath(*info->deriver)) {
goals.clear();
goals.insert(worker.makeDerivationGoal(*info->deriver, StringSet(), bmRepair));
// 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));

15
src/libstore/build/local-derivation-goal.cc
View file

@ -1459,7 +1459,7 @@ struct RestrictedStore : public virtual RestrictedStoreConfig, public virtual Lo
unknown, downloadSize, narSize);
}
virtual std::optional<std::string> getBuildLog(const StorePath & path) override
virtual std::optional<std::string> getBuildLogExact(const StorePath & path) override
{ return std::nullopt; }
virtual void addBuildLog(const StorePath & path, std::string_view log) override
@ -2529,7 +2529,10 @@ DrvOutputs LocalDerivationGoal::registerOutputs()
auto narHashAndSize = hashPath(htSHA256, actualPath);
ValidPathInfo newInfo0 { requiredFinalPath, narHashAndSize.first };
newInfo0.narSize = narHashAndSize.second;
newInfo0.references = rewriteRefs();
auto refs = rewriteRefs();
newInfo0.references = std::move(refs.others);
if (refs.self)
newInfo0.references.insert(newInfo0.path);
return newInfo0;
},
@ -2738,7 +2741,7 @@ DrvOutputs LocalDerivationGoal::registerOutputs()
signRealisation(thisRealisation);
worker.store.registerDrvOutput(thisRealisation);
}
if (wantOutput(outputName, wantedOutputs))
if (wantedOutputs.contains(outputName))
builtOutputs.emplace(thisRealisation.id, thisRealisation);
}
@ -2786,12 +2789,12 @@ void LocalDerivationGoal::checkOutputs(const std::map<std::string, ValidPathInfo
auto i = outputsByPath.find(worker.store.printStorePath(path));
if (i != outputsByPath.end()) {
closureSize += i->second.narSize;
for (auto & ref : i->second.referencesPossiblyToSelf())
for (auto & ref : i->second.references)
pathsLeft.push(ref);
} else {
auto info = worker.store.queryPathInfo(path);
closureSize += info->narSize;
for (auto & ref : info->referencesPossiblyToSelf())
for (auto & ref : info->references)
pathsLeft.push(ref);
}
}
@ -2831,7 +2834,7 @@ void LocalDerivationGoal::checkOutputs(const std::map<std::string, ValidPathInfo
auto used = recursive
? getClosure(info.path).first
: info.referencesPossiblyToSelf();
: info.references;
if (recursive && checks.ignoreSelfRefs)
used.erase(info.path);

10
src/libstore/build/substitution-goal.cc
View file

@ -165,8 +165,9 @@ void PathSubstitutionGoal::tryNext()
/* To maintain the closure invariant, we first have to realise the
paths referenced by this one. */
for (auto & i : info->references.others)
addWaitee(worker.makePathSubstitutionGoal(i));
for (auto & i : info->references)
if (i != storePath) /* ignore self-references */
addWaitee(worker.makePathSubstitutionGoal(i));
if (waitees.empty()) /* to prevent hang (no wake-up event) */
referencesValid();
@ -187,8 +188,9 @@ void PathSubstitutionGoal::referencesValid()
return;
}
for (auto & i : info->references.others)
assert(worker.store.isValidPath(i));
for (auto & i : info->references)
if (i != storePath) /* ignore self-references */
assert(worker.store.isValidPath(i));
state = &PathSubstitutionGoal::tryToRun;
worker.wakeUp(shared_from_this());

6
src/libstore/build/worker.cc
View file

@ -42,7 +42,7 @@ Worker::~Worker()
std::shared_ptr<DerivationGoal> Worker::makeDerivationGoalCommon(
const StorePath & drvPath,
const StringSet & wantedOutputs,
const OutputsSpec & wantedOutputs,
std::function<std::shared_ptr<DerivationGoal>()> mkDrvGoal)
{
std::weak_ptr<DerivationGoal> & goal_weak = derivationGoals[drvPath];
@ -59,7 +59,7 @@ std::shared_ptr<DerivationGoal> Worker::makeDerivationGoalCommon(
std::shared_ptr<DerivationGoal> Worker::makeDerivationGoal(const StorePath & drvPath,
const StringSet & wantedOutputs, BuildMode buildMode)
const OutputsSpec & wantedOutputs, BuildMode buildMode)
{
return makeDerivationGoalCommon(drvPath, wantedOutputs, [&]() -> std::shared_ptr<DerivationGoal> {
return !dynamic_cast<LocalStore *>(&store)
@ -70,7 +70,7 @@ std::shared_ptr<DerivationGoal> Worker::makeDerivationGoal(const StorePath & drv
std::shared_ptr<DerivationGoal> Worker::makeBasicDerivationGoal(const StorePath & drvPath,
const BasicDerivation & drv, const StringSet & wantedOutputs, BuildMode buildMode)
const BasicDerivation & drv, const OutputsSpec & wantedOutputs, BuildMode buildMode)
{
return makeDerivationGoalCommon(drvPath, wantedOutputs, [&]() -> std::shared_ptr<DerivationGoal> {
return !dynamic_cast<LocalStore *>(&store)

6
src/libstore/build/worker.hh
View file

@ -140,15 +140,15 @@ public:
/* derivation goal */
private:
std::shared_ptr<DerivationGoal> makeDerivationGoalCommon(
const StorePath & drvPath, const StringSet & wantedOutputs,
const StorePath & drvPath, const OutputsSpec & wantedOutputs,
std::function<std::shared_ptr<DerivationGoal>()> mkDrvGoal);
public:
std::shared_ptr<DerivationGoal> makeDerivationGoal(
const StorePath & drvPath,
const StringSet & wantedOutputs, BuildMode buildMode = bmNormal);
const OutputsSpec & wantedOutputs, BuildMode buildMode = bmNormal);
std::shared_ptr<DerivationGoal> makeBasicDerivationGoal(
const StorePath & drvPath, const BasicDerivation & drv,
const StringSet & wantedOutputs, BuildMode buildMode = bmNormal);
const OutputsSpec & wantedOutputs, BuildMode buildMode = bmNormal);
/* substitution goal */
std::shared_ptr<PathSubstitutionGoal> makePathSubstitutionGoal(const StorePath & storePath, RepairFlag repair = NoRepair, std::optional<ContentAddress> ca = std::nullopt);