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<?php |
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namespace Consolidation\Config\Inject; |
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use Consolidation\Config\ConfigInterface; |
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use Consolidation\Config\Util\ConfigFallback; |
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use Symfony\Component\Console\ConsoleEvents; |
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use Symfony\Component\Console\Event\ConsoleCommandEvent; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\Console\Application; |
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class ConfigForCommand implements EventSubscriberInterface |
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{ |
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protected $config; |
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protected $application; |
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public function __construct(ConfigInterface $config) |
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{ |
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$this->config = $config; |
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} |
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public function setApplication(Application $application) |
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{ |
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$this->application = $application; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public static function getSubscribedEvents() |
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{ |
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return [ConsoleEvents::COMMAND => 'injectConfiguration']; |
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} |
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/** |
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* Before a Console command runs, inject configuration settings |
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* for this command into the default value of the options of |
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* this command. |
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* |
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* @param \Symfony\Component\Console\Event\ConsoleCommandEvent $event |
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*/ |
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public function injectConfiguration(ConsoleCommandEvent $event) |
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{ |
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$command = $event->getCommand(); |
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$this->injectConfigurationForCommand($command); |
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$targetOfHelpCommand = $this->getHelpCommandTarget($command, $event->getInput()); |
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if ($targetOfHelpCommand) { |
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$this->injectConfigurationForCommand($targetOfHelpCommand); |
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} |
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} |
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protected function injectConfigurationForCommand($command) |
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{ |
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$commandName = $command->getName(); |
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$commandName = str_replace(':', '.', $commandName); |
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$definition = $command->getDefinition(); |
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$options = $definition->getOptions(); |
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$configGroup = new ConfigFallback($this->config, $commandName, 'command.', '.options.'); |
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foreach ($options as $option => $inputOption) { |
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$key = str_replace('.', '-', $option); |
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$value = $configGroup->get($key); |
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if ($value !== null) { |
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$inputOption->setDefault($value); |
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} |
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} |
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} |
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protected function getHelpCommandTarget($command, $input) |
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{ |
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if (($command->getName() != 'help') || (!isset($this->application))) { |
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return false; |
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} |
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// Symfony 3.x prepares $input for us; Symfony 2.x, on the other |
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// hand, passes it in prior to binding with the command definition, |
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// so we have to go to a little extra work. It may be inadvisable |
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// to do these steps for commands other than 'help'. |
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if (!$input->hasArgument('command_name')) { |
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$command->ignoreValidationErrors(); |
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$command->mergeApplicationDefinition(); |
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$input->bind($command->getDefinition()); |
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} |
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// Symfony Console helpfully swaps 'command_name' and 'command' |
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// depending on whether the user entered `help foo` or `--help foo`. |
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// One of these is always `help`, and the other is the command we |
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// are actually interested in. |
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$nameOfCommandToDescribe = $input->getArgument('command_name'); |
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if ($nameOfCommandToDescribe == 'help') { |
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$nameOfCommandToDescribe = $input->getArgument('command'); |
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} |
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return $this->application->find($nameOfCommandToDescribe); |
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} |
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} |
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consolidation /
config
