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Remove HashType::Unknown

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Instead, `Hash` uses `std::optional<HashType>`. In the future, we may
also make `Hash` itself require a known hash type, encoraging people to
use `std::optional<Hash>` instead.
This commit is contained in:
John Ericson 2020-06-02 15:52:13 +00:00
parent 6dd471ebf6
commit 450dcf2c1b
14 changed files with 72 additions and 53 deletions
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6
src/libstore/build.cc
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@ -3726,8 +3726,8 @@ void DerivationGoal::registerOutputs()
/* Check the hash. In hash mode, move the path produced by
the derivation to its content-addressed location. */
Hash h2 = outputHashMode == FileIngestionMethod::Recursive
? hashPath(h.type, actualPath).first
: hashFile(h.type, actualPath);
? hashPath(*h.type, actualPath).first
: hashFile(*h.type, actualPath);
auto dest = worker.store.makeFixedOutputPath(outputHashMode, h2, i.second.path.name());
@ -4999,7 +4999,7 @@ bool Worker::pathContentsGood(const StorePath & path)
if (!pathExists(store.printStorePath(path)))
res = false;
else {
HashResult current = hashPath(info->narHash.type, store.printStorePath(path));
HashResult current = hashPath(*info->narHash.type, store.printStorePath(path));
Hash nullHash(HashType::SHA256);
res = info->narHash == nullHash || info->narHash == current.first;
}