private void setRunningEnvironment(CommandLine commandLine, String env) {
    // Get the default environment if one hasn't been set.
    System.setProperty("base.dir", settings.getBaseDir().getPath());

    if (env != null) {
      // Add some extra binding variables that are now available.
      settings.setGrailsEnv(env);
      settings.setDefaultEnv(false);
    } else {
      // Add some extra binding variables that are now available.
      settings.setGrailsEnv(commandLine.getEnvironment());
      settings.setDefaultEnv(!commandLine.isEnvironmentSet());
    }
  }
  private int attemptPrecompiledScriptExecute(
      CommandLine commandLine,
      String scriptName,
      String env,
      GantBinding binding,
      List<File> allScripts) {
    console.updateStatus("Running pre-compiled script");

    // Must be called before the binding is initialised.
    setRunningEnvironment(commandLine, env);

    // Get Gant to load the class by name using our class loader.
    ScriptBindingInitializer bindingInitializer =
        new ScriptBindingInitializer(
            commandLine, classLoader, settings, pluginPathSupport, isInteractive);
    Gant gant = new Gant(bindingInitializer.initBinding(binding, scriptName), classLoader);

    try {
      loadScriptClass(gant, scriptName);
    } catch (ScriptNotFoundException e) {
      if (!isInteractive || InteractiveMode.isActive()) {
        throw e;
      }
      scriptName = fixScriptName(scriptName, allScripts);
      if (scriptName == null) {
        throw e;
      }

      try {
        loadScriptClass(gant, scriptName);
      } catch (ScriptNotFoundException ce) {
        return executeScriptWithCaching(commandLine, scriptName, env);
      }

      // at this point if they were calling a script that has a non-default
      // env (e.g. war or test-app) it wouldn't have been correctly set, so
      // set it now, but only if they didn't specify the env (e.g. "grails test war" -> "grails test
      // war")

      if (Boolean.TRUE.toString().equals(System.getProperty(Environment.DEFAULT))) {
        commandLine.setCommand(GrailsNameUtils.getScriptName(scriptName));
        env = commandLine.lookupEnvironmentForCommand();
        binding.setVariable("grailsEnv", env);
        settings.setGrailsEnv(env);
        System.setProperty(Environment.KEY, env);
        settings.setDefaultEnv(false);
        System.setProperty(Environment.DEFAULT, Boolean.FALSE.toString());
      }
    }

    return executeWithGantInstance(gant, DO_NOTHING_CLOSURE, binding).exitCode;
  }