update.js
function reloadSources(names) {

    names = u.isArray(names) ? names :
           names ? [names] :
           u.keys(opts.source$);

    var results = [];

    u.each(names, function(name) {
      var source = opts.source$[name];
      if (source) {
        source._reloadFromSource = true;
        results.push(name);
      } else {
        results.push(log('reloadSources unknown source ' + name));
      }
    });

    generator.reload(); // throttled
    return results;
  }
function reloadSources(names) {

    names = u.isArray(names) ? names :
           names ? [names] :
           u.keys(opts.source$);

    var results = [];

    u.each(names, function(name) {
      var source = opts.source$[name];
      if (source) {
        source._reloadFromSource = true;
        results.push(name);
      } else {
        results.push(log('reloadSources unknown source ' + name));
      }
    });

    generator.reload(); // throttled
    return results;
  }
function reloadSources ( names ) { names = u . isArray ( names ) ? names : names ? [ names ] : u . keys ( opts . source$ ) ; var results = [ ] ; u . each ( names , function ( name ) { var source = opts . source$ [ name ] ; if ( source ) { source . _reloadFromSource = true ; results . push ( name ) ; } else { results . push ( log ( 'reloadSources unknown source ' + name ) ) ; } } ) ; generator . reload ( ) ; // throttled return results ; }
trigger reload from source input = string or array of source names, nothing => all
trigger reload from source input = string or array of source names nothing = > all