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If the media type for a manifest is unrecognized, default to schema1

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This is needed for compatibility with some third-party registries that
send an inappropriate Content-Type header such as text/html.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
This commit is contained in:
Aaron Lehmann 2016-01-21 09:34:06 -08:00
parent 08650825fe
commit c01fe47231
2 changed files with 23 additions and 6 deletions
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5
manifests.go
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@ -96,7 +96,10 @@ func UnmarshalManifest(ctHeader string, p []byte) (Manifest, Descriptor, error)
unmarshalFunc, ok := mappings[mediatype]
if !ok {
return nil, Descriptor{}, fmt.Errorf("unsupported manifest mediatype: %s", mediatype)
unmarshalFunc, ok = mappings[""]
if !ok {
return nil, Descriptor{}, fmt.Errorf("unsupported manifest mediatype and no default available: %s", mediatype)
}
}
return unmarshalFunc(p)