s3store: Accept alternate error response from DigitalOcean Spaces (#507)

* fix digitalocean spaces fetch

* remove log

* remove log

* remove info.Size check

* Add comment

* Delete .gitignore

Co-authored-by: Marius <marius.kleidl@gmail.com>

pkg/s3store/s3store.go

@@ -498,7 +498,9 @@ func (upload s3Upload) fetchInfo(ctx context.Context) (info handler.FileInfo, er
 		// when the multipart upload has already been completed or aborted. Since
 		// we already found the info object, we know that the upload has been
 		// completed and therefore can ensure the the offset is the size.
-		if isAwsError(err, "NoSuchUpload") {
+		// AWS S3 returns NoSuchUpload, but other implementations, such as DigitalOcean
+		// Spaces, can also return NoSuchKey.
+		if isAwsError(err, "NoSuchUpload") || isAwsError(err, "NoSuchKey") {
 			info.Offset = info.Size
 			return info, nil
 		} else {