文件操作 - download-node.js

文件: /usr/share/atom/resources/app/apm/script/download-node.js

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var fs = require('fs');
var mv = require('mv');
var zlib = require('zlib');
var path = require('path');

var tar = require('tar');
var temp = require('temp');

var request = require('request');
var getInstallNodeVersion = require('./bundled-node-version')

temp.track();

var identifyArch = function() {
  switch (process.arch) {
    case "ia32":  return "x86";
    case "arm":   return "armv" + process.config.variables.arm_version + "l";
    default:      return process.arch;
  }
};

var copyNodeBinToLocation = function(callback, version, targetFilename, fromDirectory) {
  var arch = identifyArch();
  var subDir = "node-" + version + "-" + process.platform + "-" + arch;
  var downloadedNodePath = path.join(fromDirectory, subDir, 'bin', 'node');
  return mv(downloadedNodePath, targetFilename, {mkdirp: true}, function(err) {
    if (err) {
      callback(err);
      return;
    }

fs.chmodSync(targetFilename, "755");
    callback()
  });
};

var downloadNode = function(version, done) {
  var arch = identifyArch();
  var filename = path.join(__dirname, '..', 'bin', process.platform === 'win32' ? 'node.exe' : 'node');

if (fs.existsSync(filename)) {
    getInstallNodeVersion(filename, function(error, installedVersion, installedArch) {
      if (error != null) {
        done(error);
      } else if (installedVersion !== version || installedArch !== process.arch) {
        downloadFile();
      } else {
        done();
      }
    });
  } else {
    downloadFile();
  }
};

文件操作 - download-node.js

文件: /usr/share/atom/resources/app/apm/script/download-node.js

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