BackgroundTask_file_exists.sys.mjs

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

import { EXIT_CODE } from "resource://gre/modules/BackgroundTasksManager.sys.mjs";

/**

 * Return 0 (success) if the given absolute file path exists, 11

 * (failure) otherwise.

*/

export function runBackgroundTask(commandLine) {

  let path = commandLine.getArgument(0);

  let file = Cc["@mozilla.org/file/local;1"].createInstance(Ci.nsIFile);

  file.initWithPath(path);

  let exitCode;

  let exists = file.exists();

  if (exists) {

    exitCode = EXIT_CODE.SUCCESS;

  } else {

    exitCode = 11;

  console.error(

    `runBackgroundTask: '${path}' exists: ${exists}; ` +

      `exiting with status ${exitCode}`

);

  return exitCode;