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Get rid of most .at calls (#6393)

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Use one of `get` or `getOr` instead which will either return a null-pointer (with a nicer error message) or a default value when the key is missing.
This commit is contained in:
Alain Zscheile 2022-05-04 07:44:32 +02:00 • committed by GitHub
parent 9489b4b7ef
commit 1385b20078
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GPG key ID: 4AEE18F83AFDEB23
22 changed files with 231 additions and 118 deletions
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17
src/libstore/remote-store.cc
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@ -853,15 +853,15 @@ std::vector<BuildResult> RemoteStore::buildPathsWithResults(
OutputPathMap outputs;
auto drv = evalStore->readDerivation(bfd.drvPath);
auto outputHashes = staticOutputHashes(*evalStore, drv); // FIXME: expensive
auto drvOutputs = drv.outputsAndOptPaths(*this);
const auto outputHashes = staticOutputHashes(*evalStore, drv); // FIXME: expensive
const auto drvOutputs = drv.outputsAndOptPaths(*this);
for (auto & output : bfd.outputs) {
if (!outputHashes.count(output))
auto outputHash = get(outputHashes, output);
if (!outputHash)
throw Error(
"the derivation '%s' doesn't have an output named '%s'",
printStorePath(bfd.drvPath), output);
auto outputId =
DrvOutput{outputHashes.at(output), output};
auto outputId = DrvOutput{ *outputHash, output };
if (settings.isExperimentalFeatureEnabled(Xp::CaDerivations)) {
auto realisation =
queryRealisation(outputId);
@ -874,13 +874,14 @@ std::vector<BuildResult> RemoteStore::buildPathsWithResults(
} else {
// If ca-derivations isn't enabled, assume that
// the output path is statically known.
assert(drvOutputs.count(output));
assert(drvOutputs.at(output).second);
const auto drvOutput = get(drvOutputs, output);
assert(drvOutput);
assert(drvOutput->second);
res.builtOutputs.emplace(
outputId,
Realisation {
.id = outputId,
.outPath = *drvOutputs.at(output).second
.outPath = *drvOutput->second,
});
}
}