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@@ -172,7 +172,9 @@ func (o *copier) calcCopyInfo(origPath string, allowWildcards bool) ([]copyInfo,
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// TODO: do this when creating copier. Requires validateCopySourcePath
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// (and other below) to be aware of the difference sources. Why is it only
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// done on image Source?
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- if imageSource != nil {
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+ if imageSource != nil && o.activeLayer == nil {
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+ // this needs to be protected against repeated calls as wildcard copy
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+ // will call it multiple times for a single COPY
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var err error
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rwLayer, err := imageSource.NewRWLayer()
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if err != nil {
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