feature #29850 [FrameworkBundle] xliff-version option to translation …

…update command (andrewwro)

This PR was squashed before being merged into the 4.3-dev branch (closes #29850).

Discussion
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[FrameworkBundle] xliff-version option to translation update command

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | no
| New feature?  | yes <!-- don't forget to update src/**/CHANGELOG.md files -->
| BC breaks?    | no     <!-- see https://symfony.com/bc -->
| Deprecations? | no <!-- don't forget to update UPGRADE-*.md and src/**/CHANGELOG.md files -->
| Tests pass?   | no    <!-- please add some, will be required by reviewers -->
| License       | MIT

New 'version' option added to xliff translation update command. Currently xliff version is hardcoded to 1.2.

Commits
-------

4ec28bd [FrameworkBundle] xliff-version option to translation update command

src/Symfony/Bundle/FrameworkBundle/Command/TranslationUpdateCommand.php

@@ -73,6 +73,7 @@ protected function configure()
                 new InputOption('no-backup', null, InputOption::VALUE_NONE, 'Should backup be disabled'),
                 new InputOption('clean', null, InputOption::VALUE_NONE, 'Should clean not found messages'),
                 new InputOption('domain', null, InputOption::VALUE_OPTIONAL, 'Specify the domain to update'),
+                new InputOption('xliff-version', null, InputOption::VALUE_OPTIONAL, 'Override the default xliff version', '1.2'),
             ])
             ->setDescription('Updates the translation file')
             ->setHelp(<<<'EOF'
@@ -262,7 +263,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             }
 
             if ('xlf' === $input->getOption('output-format')) {
-                $errorIo->comment('Xliff output version is <info>1.2</info>');
+                $errorIo->comment(sprintf('Xliff output version is <info>%s</info>', $input->getOption('xliff-version')));
             }
 
             $resultMessage = sprintf('%d message%s successfully extracted', $extractedMessagesCount, $extractedMessagesCount > 1 ? 's were' : ' was');
@@ -287,7 +288,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
                 $bundleTransPath = end($transPaths);
             }
 
-            $this->writer->write($operation->getResult(), $input->getOption('output-format'), ['path' => $bundleTransPath, 'default_locale' => $this->defaultLocale]);
+            $this->writer->write($operation->getResult(), $input->getOption('output-format'), ['path' => $bundleTransPath, 'default_locale' => $this->defaultLocale, 'xliff_version' => $input->getOption('xliff-version')]);
 
             if (true === $input->getOption('dump-messages')) {
                 $resultMessage .= ' and translation files were updated';