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Merge pull request #4606 from obsidiansystems/avoid-stringify-store-path

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Avoid some StorePath -> Path -> StorePath roundtrips
This commit is contained in:
Eelco Dolstra 2021-03-05 11:18:14 +01:00 committed by GitHub
parent 665d4ec2da 6212e89bf6
commit 52b6e0f837
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 20 deletions
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35
src/libstore/misc.cc
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@ -22,55 +22,53 @@ void Store::computeFSClosure(const StorePathSet & startPaths,
Sync<State> state_(State{0, paths_, 0});
std::function<void(const Path &)> enqueue;
std::function<void(const StorePath &)> enqueue;
std::condition_variable done;
enqueue = [&](const Path & path) -> void {
enqueue = [&](const StorePath & path) -> void {
{
auto state(state_.lock());
if (state->exc) return;
if (!state->paths.insert(parseStorePath(path)).second) return;
if (!state->paths.insert(path).second) return;
state->pending++;
}
queryPathInfo(parseStorePath(path), {[&, pathS(path)](std::future<ref<const ValidPathInfo>> fut) {
queryPathInfo(path, {[&](std::future<ref<const ValidPathInfo>> fut) {
// FIXME: calls to isValidPath() should be async
try {
auto info = fut.get();
auto path = parseStorePath(pathS);
if (flipDirection) {
StorePathSet referrers;
queryReferrers(path, referrers);
for (auto & ref : referrers)
if (ref != path)
enqueue(printStorePath(ref));
enqueue(ref);
if (includeOutputs)
for (auto & i : queryValidDerivers(path))
enqueue(printStorePath(i));
enqueue(i);
if (includeDerivers && path.isDerivation())
for (auto & i : queryDerivationOutputs(path))
if (isValidPath(i) && queryPathInfo(i)->deriver == path)
enqueue(printStorePath(i));
enqueue(i);
} else {
for (auto & ref : info->references)
if (ref != path)
enqueue(printStorePath(ref));
enqueue(ref);
if (includeOutputs && path.isDerivation())
for (auto & i : queryDerivationOutputs(path))
if (isValidPath(i)) enqueue(printStorePath(i));
if (isValidPath(i)) enqueue(i);
if (includeDerivers && info->deriver && isValidPath(*info->deriver))
enqueue(printStorePath(*info->deriver));
enqueue(*info->deriver);
}
@ -90,7 +88,7 @@ void Store::computeFSClosure(const StorePathSet & startPaths,
};
for (auto & startPath : startPaths)
enqueue(printStorePath(startPath));
enqueue(startPath);
{
auto state(state_.lock());
@ -160,13 +158,10 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
};
auto checkOutput = [&](
const Path & drvPathS, ref<Derivation> drv, const Path & outPathS, ref<Sync<DrvState>> drvState_)
const StorePath & drvPath, ref<Derivation> drv, const StorePath & outPath, ref<Sync<DrvState>> drvState_)
{
if (drvState_->lock()->done) return;
auto drvPath = parseStorePath(drvPathS);
auto outPath = parseStorePath(outPathS);
SubstitutablePathInfos infos;
querySubstitutablePathInfos({{outPath, getDerivationCA(*drv)}}, infos);
@ -203,7 +198,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
return;
}
PathSet invalid;
StorePathSet invalid;
/* true for regular derivations, and CA derivations for which we
have a trust mapping for all wanted outputs. */
auto knownOutputPaths = true;
@ -213,7 +208,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
break;
}
if (wantOutput(outputName, path.outputs) && !isValidPath(*pathOpt))
invalid.insert(printStorePath(*pathOpt));
invalid.insert(*pathOpt);
}
if (knownOutputPaths && invalid.empty()) return;
@ -223,7 +218,7 @@ void Store::queryMissing(const std::vector<StorePathWithOutputs> & targets,
if (knownOutputPaths && settings.useSubstitutes && parsedDrv.substitutesAllowed()) {
auto drvState = make_ref<Sync<DrvState>>(DrvState(invalid.size()));
for (auto & output : invalid)
pool.enqueue(std::bind(checkOutput, printStorePath(path.path), drv, output, drvState));
pool.enqueue(std::bind(checkOutput, path.path, drv, output, drvState));
} else
mustBuildDrv(path.path, *drv);