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Chris LuandGitHub
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* s3: keep a missing object a 404 under If-Match and If-Unmodified-Since GET and HEAD resolved the target before evaluating the conditional headers, and a missing target failed If-Match and If-Unmodified-Since outright, so absence surfaced as 412 PreconditionFailed. AWS reports the missing object instead: 404 for HeadObject, NoSuchKey for GetObject, and 412 only when a live object fails the condition. Clients cannot tell absence from a stale precondition without an extra racy HEAD, so OpenDAL disabled its four conditional stat/read capabilities against SeaweedFS. A precondition now only fails against an object that exists; a missing one -- including a latest version that is a delete marker -- returns NoSuchKey. Claude-Session: https://claude.ai/code/session_01X4kEbuwxd9DFsTnSXjfjgv * s3: evaluate a conditional read against the version the request names GET and HEAD resolved the latest version before evaluating the conditional headers, so a request carrying versionId had its If-Match compared against a different version than the one it was asking for: a live version whose ETag the client held failed once a newer version -- or a delete marker -- became the latest. resolveObjectEntry now resolves the named version on a versioned bucket, the way DELETE already does. A named version that resolves to nothing is left to the handler, which alone knows whether the bucket is versioned and so whether it owes NoSuchVersion. Claude-Session: https://claude.ai/code/session_01X4kEbuwxd9DFsTnSXjfjgv