code: function getBinaryName() {
    var binaryName;
  
    if (flags['--sass-binary-name']) {
      binaryName = flags['--sass-binary-name'];
    } else if (process.env.SASS_BINARY_NAME) {
      binaryName = process.env.SASS_BINARY_NAME;
    } else if (pkg.nodeSassConfig && pkg.nodeSassConfig.binaryName) {
      binaryName = pkg.nodeSassConfig.binaryName;
    } else {
      binaryName = [process.platform, '-',
                    process.arch, '-',
                    process.versions.modules].join('');
    }
  
    return [binaryName, 'binding.node'].join('_');
  }
docs: Get binary name.
  If environment variable SASS_BINARY_NAME or
  process argument --binary-name is provided,
  return it as is, otherwise make default binary
  name: {platform}-{arch}-{v8 version}.node
  
  @api private