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Reuse cached filesystems for layers #247

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Jul 12, 2018
Merged

Reuse cached filesystems for layers #247

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8 changes: 8 additions & 0 deletions pkg/util/image_utils.go
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,14 @@ func SortMap(m map[string]string) string {

// GetFileSystemForLayer unpacks a layer to local disk
func GetFileSystemForLayer(layer v1.Layer, root string, whitelist []string) error {
empty, err := DirIsEmpty(root)
if err != nil {
return err
}
if !empty {
logrus.Infof("using cached filesystem in %s", root)
return nil
}
contents, err := layer.Uncompressed()
if err != nil {
return err
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