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Split OutputsSpec and ExtendedOutputsSpec, use the former more

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`DerivedPath::Built` and `DerivationGoal` were previously using a
regular set with the convention that the empty set means all outputs.
But it is easy to forget about this rule when processing those sets.
Using `OutputSpec` forces us to get it right.
This commit is contained in:
John Ericson
2023-01-11 18:57:18 -05:00
parent a7c0cff07f
commit ce2f91d356
23 changed files with 377 additions and 193 deletions
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src/libexpr/primops.cc
+6 -10
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@@ -53,7 +53,7 @@ StringMap EvalState::realiseContext(const PathSet & context)
[&](const NixStringContextElem::Built & b) {
drvs.push_back(DerivedPath::Built {
.drvPath = b.drvPath,
.outputs = std::set { b.output },
.outputs = OutputsSpec::Names { b.output },
});
ensureValid(b.drvPath);
},
@@ -84,16 +84,12 @@ StringMap EvalState::realiseContext(const PathSet & context)
store->buildPaths(buildReqs);
/* Get all the output paths corresponding to the placeholders we had */
for (auto & [drvPath, outputs] : drvs) {
const auto outputPaths = store->queryDerivationOutputMap(drvPath);
for (auto & outputName : outputs) {
auto outputPath = get(outputPaths, outputName);
if (!outputPath)
debugThrowLastTrace(Error("derivation '%s' does not have an output named '%s'",
store->printStorePath(drvPath), outputName));
for (auto & drv : drvs) {
auto outputs = resolveDerivedPath(*store, drv);
for (auto & [outputName, outputPath] : outputs) {
res.insert_or_assign(
downstreamPlaceholder(*store, drvPath, outputName),
store->printStorePath(*outputPath)
downstreamPlaceholder(*store, drv.drvPath, outputName),
store->printStorePath(outputPath)
);
}
}