code: function getBinaryUrl() {
    var site = getArgument('--fis-binary-site') ||
               process.env.FIS_BINARY_SITE  ||
               process.env.npm_config_FIS_binary_site ||
               (pkg.nodeConfig && pkg.nodeConfig.binarySite) ||
               'https://github.com/' + repositoryName + '/releases/download';
  
    return [site, 'v' + pkg.version, getBinaryName()].join('/');
  }
docs: Determine the URL to fetch binary file from.
  By default fetch from the addon for fis distribution
  site on GitHub.
  
  The default URL can be overriden using
  the environment variable FIS_BINARY_SITE,
  .npmrc variable FIS_binary_site or
  or a command line option --fis-binary-site:
  
  node scripts/install.js --fis-binary-site http://example.com/
  
  The URL should to the mirror of the repository
  laid out as follows:
  
  FIS_BINARY_SITE/
  
  v3.0.0
  v3.0.0/freebsd-x64-14_binding.node
  ....
  v3.0.0
  v3.0.0/freebsd-ia32-11_binding.node
  v3.0.0/freebsd-x64-42_binding.node
  ... etc. for all supported versions and platforms
  
  @api public