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swift: fix dangling large objects breaking the listing

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Before this change, large objects which had had their contents deleted
would return "Object not found" and break the listing.

This change makes these objects appear as 0 sized entities so they can
be listed and deleted.
This commit is contained in:
Nick Craig-Wood 2020-07-10 11:03:08 +01:00
parent 44ff766f98
commit db37360a1d
1 changed files with 9 additions and 1 deletions
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10
backend/swift/swift.go
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@ -505,7 +505,15 @@ func (f *Fs) newObjectWithInfo(remote string, info *swift.Object) (fs.Object, er
// making sure we read the full metadata for all 0 byte files.
// We don't read the metadata for directory marker objects.
if info != nil && info.Bytes == 0 && info.ContentType != "application/directory" {
info = nil
err := o.readMetaData() // reads info and headers, returning an error
if err == fs.ErrorObjectNotFound {
// We have a dangling large object here so just return the original metadata
fs.Errorf(o, "dangling large object with no contents")
} else if err != nil {
return nil, err
} else {
return o, nil
}
}
if info != nil {
// Set info but not headers