bug #20432 [FrameworkBundle] Add --no-prefix option to translation:update (chalasr)

This PR was merged into the 3.2-dev branch.

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

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | symfony/symfony#20044
| License       | MIT
| Doc PR        | n/a

This adds an option `--no-prefix` to the `translation:update` command, allowing to use an empty string as prefix. I guess it should be treated as a feature as it adds a new option to the command, but it indeed fixes the bug reported in #20044 (yeah, really this time).

Commits
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b5a1584 [FrameworkBundle] Add --no-prefix option to translation:update

Author: fabpot

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)) {