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images: document config utility function

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Signed-off-by: Stephen J Day <stephen.day@docker.com>
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Stephen J Day 2017-08-17 14:31:35 -07:00
parent ed1c40420e
commit 2a1f7b647b
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5
images/image.go
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@ -67,6 +67,11 @@ func (image *Image) Size(ctx context.Context, provider content.Provider) (int64,
}), ChildrenHandler(provider)), image.Target)
}
// Config resolves the image configuration descriptor using a content provided
// to resolve child resources on the image.
//
// The caller can then use the descriptor to resolve and process the
// configuration of the image.
func Config(ctx context.Context, provider content.Provider, image ocispec.Descriptor) (ocispec.Descriptor, error) {
var configDesc ocispec.Descriptor
return configDesc, Walk(ctx, HandlerFunc(func(ctx context.Context, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {