[FrameworkBundle] Add --no-prefix option to translation:update

Remove ending dot from option description for consistency

Author: chalasr

Command/TranslationUpdateCommand.php

@@ -39,6 +39,7 @@ protected function configure()
                 new InputArgument('locale', InputArgument::REQUIRED, 'The locale'),
                 new InputArgument('bundle', InputArgument::OPTIONAL, 'The bundle name or directory where to load the messages, defaults to app/Resources folder'),
                 new InputOption('prefix', null, InputOption::VALUE_OPTIONAL, 'Override the default prefix', '__'),
+                new InputOption('no-prefix', null, InputOption::VALUE_NONE, 'If set, no prefix is added to the translations'),
                 new InputOption('output-format', null, InputOption::VALUE_OPTIONAL, 'Override the default output format', 'yml'),
                 new InputOption('dump-messages', null, InputOption::VALUE_NONE, 'Should the messages be dumped in the console'),
                 new InputOption('force', null, InputOption::VALUE_NONE, 'Should the update be done'),
@@ -133,7 +134,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
         $extractedCatalogue = new MessageCatalogue($input->getArgument('locale'));
         $io->comment('Parsing templates...');
         $extractor = $this->getContainer()->get('translation.extractor');
-        $extractor->setPrefix($input->getOption('prefix'));
+        $extractor->setPrefix($input->getOption('no-prefix') ? '' : $input->getOption('prefix'));
         foreach ($transPaths as $path) {
             $path .= 'views';
             if (is_dir($path)) {