Skip writing to unedited files

kyaml/setters2/settersutil/fieldsetter.go

@@ -57,11 +57,13 @@ func (fs FieldSetter) Set(openAPIPath, resourcesPath string) (int, error) {
 	}
 
 	// Update the resources with the new value
-	inout := &kio.LocalPackageReadWriter{PackagePath: resourcesPath}
+	// Set NoDeleteFiles to true as SetAll will return only the nodes of files which should be updated and
+	// hence, rest of the files should not be deleted
+	inout := &kio.LocalPackageReadWriter{PackagePath: resourcesPath, NoDeleteFiles: true}
 	s := &setters2.Set{Name: fs.Name}
 	err := kio.Pipeline{
 		Inputs:  []kio.Reader{inout},
-		Filters: []kio.Filter{kio.FilterAll(s)},
+		Filters: []kio.Filter{setters2.SetAll(s)},
 		Outputs: []kio.Writer{inout},
 	}.Execute()
 	return s.Count, err