Method createExtractor

packages/insomnia/bin/yarn-standalone.js:64507–64591

(resolve, reject, tarballPath)

  }

  createExtractor(resolve, reject, tarballPath) {
    const integrityInfo = this._supportedIntegrity();

    const now = new Date();

    const fs = __webpack_require__(4);
    const patchedFs = Object.assign({}, fs, {
      utimes: (path, atime, mtime, cb) => {
        fs.stat(path, (err, stat) => {
          if (err) {
            cb(err);
            return;
          }
          if (stat.isDirectory()) {
            fs.utimes(path, atime, mtime, cb);
            return;
          }
          fs.open(path, 'a', (err, fd) => {
            if (err) {
              cb(err);
              return;
            }
            fs.futimes(fd, atime, mtime, err => {
              if (err) {
                fs.close(fd, () => cb(err));
              } else {
                fs.close(fd, err => cb(err));
              }
            });
          });
        });
      }
    });

    const validateStream = new ssri.integrityStream(integrityInfo);
    const untarStream = tarFs.extract(this.dest, {
      strip: 1,
      dmode: 0o755, // all dirs should be readable
      fmode: 0o644, // all files should be readable
      chown: false, // don't chown. just leave as it is
      map: header => {
        header.mtime = now;
        return header;
      },
      fs: patchedFs
    });
    const extractorStream = gunzip();

    validateStream.once('error', err => {
      this.validateError = err;
    });
    validateStream.once('integrity', sri => {
      this.validateIntegrity = sri;
    });

    untarStream.on('error', err => {
      reject(new (_errors || _load_errors()).MessageError(this.config.reporter.lang('errorExtractingTarball', err.message, tarballPath)));
    });