WIP - adding logging

Signed-off-by: Juan Bustamante <jbustamante@vmware.com>

Author: jjbustamante

pkg/buildpack/buildpack.go

@@ -461,7 +461,7 @@ func mustBeSplit(hdr *tar.Header, desc Descriptor, logger logging.Logger) bool {
 	if hdr.Typeflag == tar.TypeDir {
 		logger.Debugf("header %s is a directory", hdr.Name)
 		rootFolder := filepath.Join(dist.BuildpacksDir, desc.EscapedID())
-		if strings.HasPrefix(hdr.Name, rootFolder) {
+		if strings.Contains(rootFolder, hdr.Name) {
 			if path.Dir(hdr.Name) != dist.BuildpacksDir {
 				versionFolder := filepath.Join(rootFolder, desc.Info().Version)
 				logger.Debugf("checking if %s has prefix version folder %s", hdr.Name, versionFolder)