renderer: set gotemplate to err on missing variable.
@@ -80,6 +80,7 @@ func applyRenderers(data []byte, renderers []string, settings map[string]interfa
if err != nil {
return nil, err
}
+ tmpl.Option("missingkey=error")
yaml := bytes.NewBuffer(nil)
err = tmpl.Execute(yaml, settings)
if err != nil {
