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EvalState::mountInput(): Throw an error if there is a NAR hash mismatch

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This commit is contained in:
Eelco Dolstra 2025-05-07 13:31:04 +02:00
parent 630bdff7e9
commit 91cde8c79d
2 changed files with 12 additions and 5 deletions
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12
src/libexpr/paths.cc
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@ -83,8 +83,16 @@ StorePath EvalState::mountInput(
}
// FIXME: what to do with the NAR hash in lazy mode?
if (!settings.lazyTrees)
assert(!originalInput.getNarHash() || storePath == originalInput.computeStorePath(*store));
if (!settings.lazyTrees && originalInput.getNarHash()) {
auto expected = originalInput.computeStorePath(*store);
if (storePath != expected)
throw Error(
(unsigned int) 102,
"NAR hash mismatch in input '%s', expected '%s' but got '%s'",
originalInput.to_string(),
store->printStorePath(storePath),
store->printStorePath(expected));
}
return storePath;
}