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Implement BinaryCacheStore::queryPathFromHashPart()

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This commit is contained in:
Eelco Dolstra 2022-10-18 17:48:09 +02:00
parent 61f89e954a
commit e136d57f26
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2 changed files with 12 additions and 2 deletions
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11
src/libstore/binary-cache-store.cc
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@ -331,6 +331,17 @@ bool BinaryCacheStore::isValidPathUncached(const StorePath & storePath)
return fileExists(narInfoFileFor(storePath));
}
std::optional<StorePath> BinaryCacheStore::queryPathFromHashPart(const std::string & hashPart)
{
auto pseudoPath = StorePath(hashPart + "-" + MissingName);
try {
auto info = queryPathInfo(pseudoPath);
return info->path;
} catch (InvalidPath &) {
return std::nullopt;
}
}
void BinaryCacheStore::narFromPath(const StorePath & storePath, Sink & sink)
{
auto info = queryPathInfo(storePath).cast<const NarInfo>();