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LocalStore::checkDerivationOutputs(): Improve error message

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This commit is contained in:
Eelco Dolstra 2020-02-17 15:46:07 +01:00
parent b0336e7cf7
commit 8a78bcf6a2
1 changed files with 15 additions and 13 deletions
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28
src/libstore/local-store.cc
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@ -540,6 +540,18 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat
std::string drvName(drvPath.name());
drvName = string(drvName, 0, drvName.size() - drvExtension.size());
auto check = [&](const StorePath & expected, const StorePath & actual, const std::string & varName)
{
if (actual != expected)
throw Error("derivation '%s' has incorrect output '%s', should be '%s'",
printStorePath(drvPath), printStorePath(actual), printStorePath(expected));
auto j = drv.env.find(varName);
if (j == drv.env.end() || parseStorePath(j->second) != actual)
throw Error("derivation '%s' has incorrect environment variable '%s', should be '%s'",
printStorePath(drvPath), varName, printStorePath(actual));
};
if (drv.isFixedOutput()) {
DerivationOutputs::const_iterator out = drv.outputs.find("out");
if (out == drv.outputs.end())
@ -547,24 +559,14 @@ void LocalStore::checkDerivationOutputs(const StorePath & drvPath, const Derivat
bool recursive; Hash h;
out->second.parseHashInfo(recursive, h);
auto outPath = makeFixedOutputPath(recursive, h, drvName);
StringPairs::const_iterator j = drv.env.find("out");
if (out->second.path != outPath || j == drv.env.end() || parseStorePath(j->second) != outPath)
throw Error("derivation '%s' has incorrect output '%s', should be '%s'",
printStorePath(drvPath), printStorePath(out->second.path), printStorePath(outPath));
check(makeFixedOutputPath(recursive, h, drvName), out->second.path, "out");
}
else {
Hash h = hashDerivationModulo(*this, drv, true);
for (auto & i : drv.outputs) {
auto outPath = makeOutputPath(i.first, h, drvName);
StringPairs::const_iterator j = drv.env.find(i.first);
if (i.second.path != outPath || j == drv.env.end() || parseStorePath(j->second) != outPath)
throw Error("derivation '%s' has incorrect output '%s', should be '%s'",
printStorePath(drvPath), printStorePath(i.second.path), printStorePath(outPath));
}
for (auto & i : drv.outputs)
check(makeOutputPath(i.first, h, drvName), i.second.path, i.first);
}
}