Piwik\Plugins\CustomPiwikJs\TrackerUpdater::setTrackerFiles PHP Method

    public function setTrackerFiles(PluginTrackerFiles $trackerFiles)
    {
        $this->trackerFiles = $trackerFiles;
    }

 public function updateTracker($sourceFile, $targetFile, $ignoreMinified)
 {
     $pluginTrackerFiles = new PluginTrackerFiles();
     if ($ignoreMinified) {
         if (empty($sourceFile) || $sourceFile === $this->getPathOriginalPiwikJs()) {
             // no custom source file was requested
             $sourceFile = PIWIK_DOCUMENT_ROOT . TrackerUpdater::DEVELOPMENT_PIWIK_JS;
         }
         $pluginTrackerFiles->ignoreMinified();
     }
     $updater = new TrackerUpdater($sourceFile, $targetFile);
     $updater->setTrackerFiles($pluginTrackerFiles);
     $updater->checkWillSucceed();
     $updater->update();
 }