text: /* 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/. */
  
  'use strict';
  
  const { platform, pathFor } = require('sdk/system');
  const { defer } = require('sdk/core/promise');
  const { emit } = require('sdk/event/core');
  const { join } = require('sdk/fs/path');
  const { writeFile, unlinkSync, existsSync } = require('sdk/io/fs');
  const PROFILE_DIR= pathFor('ProfD');
  const isWindows = platform.toLowerCase().indexOf('win') === 0;
  const isOSX = platform.toLowerCase().indexOf('darwin') === 0;
  
  let scripts = {
    'args.sh': 'echo $1 $2 $3 $4',
    'args.bat': 'echo %1 %2 %3 %4',
    'check-env.sh': 'echo $CHILD_PROCESS_ENV_TEST',
    'check-env.bat': 'echo %CHILD_PROCESS_ENV_TEST%',
    'check-pwd.sh': 'echo $PWD',
    'check-pwd.bat': 'cd',
    'large-err.sh': 'for n in `seq 0 $1` ; do echo "E" 1>&2; done',
    'large-err-mac.sh': 'for ((i=0; i<$1; i=i+1)); do echo "E" 1>&2; done',
    'large-err.bat': 'FOR /l %%i in (0,1,%1) DO echo "E" 1>&2',
    'large-out.sh': 'for n in `seq 0 $1` ; do echo "O"; done',
    'large-out-mac.sh': 'for ((i=0; i<$1; i=i+1)); do echo "O"; done',
    'large-out.bat': 'FOR /l %%i in (0,1,%1) DO echo "O"',
    'wait.sh': 'sleep 2',
    // Use `ping` to an invalid IP address because `timeout` isn't
    // on all environments? http://stackoverflow.com/a/1672349/1785755
    'wait.bat': 'ping 1.1.1.1 -n 1 -w 2000 > nul'
  };
  
  Object.keys(scripts).forEach(filename => {
    if (/\.sh$/.test(filename))
      scripts[filename] = '#!/bin/sh\n' + scripts[filename];
    else if (/\.bat$/.test(filename))
      scripts[filename] = '@echo off\n' + scripts[filename];
  });
  
  function getScript (name) {
    // Use specific OSX script if exists
    if (isOSX && scripts[name + '-mac.sh'])
      name = name + '-mac';
    let fileName = name + (isWindows ? '.bat' : '.sh');
    return createFile(fileName, scripts[fileName]);
  }
  exports.getScript = getScript;
  
  function createFile (name, data) {
    let { promise, resolve, reject } = defer();
    let fileName = join(PROFILE_DIR, name);
    writeFile(fileName, data, function (err) {
      if (err) reject();
      else {
        makeExecutable(fileName);
        resolve(fileName);
      }
    });
    return promise;
  }
  
  // TODO Use fs.chmod once implemented, bug 914606
  function makeExecutable (name) {
    let { CC } = require('chrome');
    let nsILocalFile = CC('@mozilla.org/file/local;1', 'nsILocalFile', 'initWithPath');
    let file = nsILocalFile(name);
    file.permissions = parseInt('0777', 8);
  }
  
  function deleteFile (name) {
    let file = join(PROFILE_DIR, name);
    if (existsSync(file))
      unlinkSync(file);
  }
  
  function cleanUp () {
    Object.keys(scripts).forEach(deleteFile);
  }
  exports.cleanUp = cleanUp;
  