1  if (typeof snapshotResult !== 'undefined') {
 2    snapshotResult.setGlobals(global, process, global, {}, console, require);
 3  }
 4  
 5  const startTime = Date.now();
 6  const StartupTime = require('../startup-time');
 7  StartupTime.setStartTime();
 8  
 9  const path = require('path');
10  const fs = require('fs-plus');
11  const CSON = require('season');
12  const yargs = require('yargs');
13  const electron = require('electron');
14  
15  const args = yargs(process.argv)
16    .alias('d', 'dev')
17    .alias('t', 'test')
18    .alias('r', 'resource-path').argv;
19  
20  function isAtomRepoPath(repoPath) {
21    let packageJsonPath = path.join(repoPath, 'package.json');
22    if (fs.statSyncNoException(packageJsonPath)) {
23      try {
24        let packageJson = CSON.readFileSync(packageJsonPath);
25        return packageJson.name === 'atom';
26      } catch (e) {
27        return false;
28      }
29    }
30  
31    return false;
32  }
33  
34  let resourcePath;
35  let devResourcePath;
36  
37  if (args.resourcePath) {
38    resourcePath = args.resourcePath;
39    devResourcePath = resourcePath;
40  } else {
41    const stableResourcePath = path.dirname(path.dirname(__dirname));
42    const defaultRepositoryPath = path.join(
43      electron.app.getPath('home'),
44      'github',
45      'atom'
46    );
47  
48    if (process.env.ATOM_DEV_RESOURCE_PATH) {
49      devResourcePath = process.env.ATOM_DEV_RESOURCE_PATH;
50    } else if (isAtomRepoPath(process.cwd())) {
51      devResourcePath = process.cwd();
52    } else if (fs.statSyncNoException(defaultRepositoryPath)) {
53      devResourcePath = defaultRepositoryPath;
54    } else {
55      devResourcePath = stableResourcePath;
56    }
57  
58    if (args.dev || args.test || args.benchmark || args.benchmarkTest) {
59      resourcePath = devResourcePath;
60    } else {
61      resourcePath = stableResourcePath;
62    }
63  }
64  
65  const start = require(path.join(resourcePath, 'src', 'main-process', 'start'));
66  start(resourcePath, devResourcePath, startTime);