Ignore self reference object on empty prefix #3302
Merged
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When a given prefix is empty and we attempt to list its content AWS returns that the prefix contains one object with key defined as the prefix with an extra "/" at the end.
e.g.
If we call ListObjects() passing to it an existing but empty prefix, say "my/empty/prefix", AWS will return that "my/empty/prefix/" is an object inside "my/empty/prefix" (ListObjectsOutput.Contents).
This extra "/" causes the upload purging process to panic. On normal circunstances we never find empty prefixes on S3 but users may touch it.
Signed-off-by: Ricardo Maraschini rmarasch@redhat.com