Exclude OWNERS files when pulling devfile stack

Author: feloy

registry-library/library/library.go

@@ -329,7 +329,7 @@ func PullStackByMediaTypesFromRegistry(registry string, stack string, allowedMed
 	// Decompress archive.tar
 	archivePath := filepath.Join(destDir, "archive.tar")
 	if _, err := os.Stat(archivePath); err == nil {
-		err := decompress(destDir, archivePath)
+		err := decompress(destDir, archivePath, []string{"OWNERS"})
 		if err != nil {
 			return err
 		}
@@ -349,7 +349,7 @@ func PullStackFromRegistry(registry string, stack string, destDir string, option
 }
 
 // decompress extracts the archive file
-func decompress(targetDir string, tarFile string) error {
+func decompress(targetDir string, tarFile string, excludeFiles []string) error {
 	reader, err := os.Open(tarFile)
 	if err != nil {
 		return err
@@ -370,6 +370,9 @@ func decompress(targetDir string, tarFile string) error {
 		} else if err != nil {
 			return err
 		}
+		if isExcluded(header.Name, excludeFiles) {
+			continue
+		}
 
 		target := path.Join(targetDir, header.Name)
 		switch header.Typeflag {
@@ -396,6 +399,16 @@ func decompress(targetDir string, tarFile string) error {
 	return nil
 }
 
+func isExcluded(name string, excludeFiles []string) bool {
+	basename := filepath.Base(name)
+	for _, excludeFile := range excludeFiles {
+		if basename == excludeFile {
+			return true
+		}
+	}
+	return false
+}
+
 //setHeaders sets the request headers
 func setHeaders(headers *http.Header, options RegistryOptions) {
 	t := options.Telemetry