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Merge pull request #8724 from obsidiansystems/queryPartialDerivationOutputMap-evalStore

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Give `queryPartialDerivationOutputMap` an `evalStore` parameter
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John Ericson 2023-07-21 08:53:18 -04:00 • committed by GitHub
commit fe1fbdb5a1
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11 changed files with 104 additions and 72 deletions
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34
src/libstore/store-api.cc
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@ -492,22 +492,50 @@ bool Store::PathInfoCacheValue::isKnownNow()
return std::chrono::steady_clock::now() < time_point + ttl;
}
std::map<std::string, std::optional<StorePath>> Store::queryPartialDerivationOutputMap(const StorePath & path)
std::map<std::string, std::optional<StorePath>> Store::queryStaticPartialDerivationOutputMap(const StorePath & path)
{
std::map<std::string, std::optional<StorePath>> outputs;
auto drv = readInvalidDerivation(path);
for (auto& [outputName, output] : drv.outputsAndOptPaths(*this)) {
for (auto & [outputName, output] : drv.outputsAndOptPaths(*this)) {
outputs.emplace(outputName, output.second);
}
return outputs;
}
std::map<std::string, std::optional<StorePath>> Store::queryPartialDerivationOutputMap(
const StorePath & path,
Store * evalStore_)
{
auto & evalStore = evalStore_ ? *evalStore_ : *this;
auto outputs = evalStore.queryStaticPartialDerivationOutputMap(path);
if (!experimentalFeatureSettings.isEnabled(Xp::CaDerivations))
return outputs;
auto drv = evalStore.readInvalidDerivation(path);
auto drvHashes = staticOutputHashes(*this, drv);
for (auto & [outputName, hash] : drvHashes) {
auto realisation = queryRealisation(DrvOutput{hash, outputName});
if (realisation) {
outputs.insert_or_assign(outputName, realisation->outPath);
} else {
// queryStaticPartialDerivationOutputMap is not guaranteed
// to return std::nullopt for outputs which are not
// statically known.
outputs.insert({outputName, std::nullopt});
}
}
return outputs;
}
OutputPathMap Store::queryDerivationOutputMap(const StorePath & path) {
auto resp = queryPartialDerivationOutputMap(path);
OutputPathMap result;
for (auto & [outName, optOutPath] : resp) {
if (!optOutPath)
throw Error("output '%s' of derivation '%s' has no store path mapped to it", outName, printStorePath(path));
throw MissingRealisation(printStorePath(path), outName);
result.insert_or_assign(outName, *optOutPath);
}
return result;