func detectNamespace(data map[string][]byte, parent *database.Layer) (namespace *database.Namespace, err error) {
namespace = detectors.DetectNamespace(data)
// Attempt to detect the OS from the parent layer.
if namespace == nil && parent != nil {
namespace = parent.Namespace
if err != nil {
return
}
}
return
}
func detectNamespace(name string, data map[string][]byte, parent *database.Layer) (namespace *database.Namespace) {
// Use registered detectors to get the Namespace.
namespace = detectors.DetectNamespace(data)
if namespace != nil {
log.Debugf("layer %s: detected namespace %q", name, namespace.Name)
return
}
// Use the parent's Namespace.
if parent != nil {
namespace = parent.Namespace
if namespace != nil {
log.Debugf("layer %s: detected namespace %q (from parent)", name, namespace.Name)
return
}
}
return
}