--- /dev/null
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Console\Core\Command\Site\DebugCommand.
+ */
+
+namespace Drupal\Console\Core\Command\Site;
+
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Yaml\Dumper;
+use Symfony\Component\Console\Command\Command;
+use Drupal\Console\Core\Command\Shared\CommandTrait;
+use Drupal\Console\Core\Utils\ConfigurationManager;
+use Drupal\Console\Core\Style\DrupalStyle;
+
+/**
+ * Class SiteDebugCommand
+ *
+ * @package Drupal\Console\Core\Command\Site
+ */
+class DebugCommand extends Command
+{
+ use CommandTrait;
+
+ /**
+ * @var ConfigurationManager
+ */
+ protected $configurationManager;
+
+ /**
+ * DebugCommand constructor.
+ *
+ * @param ConfigurationManager $configurationManager
+ */
+ public function __construct(
+ ConfigurationManager $configurationManager
+ ) {
+ $this->configurationManager = $configurationManager;
+ parent::__construct();
+ }
+
+ /**
+ * @{@inheritdoc}
+ */
+ public function configure()
+ {
+ $this
+ ->setName('site:debug')
+ ->setDescription($this->trans('commands.site.debug.description'))
+ ->addArgument(
+ 'target',
+ InputArgument::OPTIONAL,
+ $this->trans('commands.site.debug.options.target'),
+ null
+ )
+ ->setHelp($this->trans('commands.site.debug.help'));
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function execute(InputInterface $input, OutputInterface $output)
+ {
+ $io = new DrupalStyle($input, $output);
+
+ $sites = array_keys($this->configurationManager->getSites());
+
+ if (!$sites) {
+ $io->error($this->trans('commands.site.debug.messages.invalid-sites'));
+
+ return 1;
+ }
+
+ // --target argument
+ $target = $input->getArgument('target');
+ if (!$target) {
+ $tableHeader =[
+ $this->trans('commands.site.debug.messages.site'),
+ ];
+
+ $io->table($tableHeader, $sites);
+
+ return 0;
+ }
+
+ $targetConfig = $this->configurationManager->readTarget($target);
+ if (!$targetConfig) {
+ $io->error($this->trans('commands.site.debug.messages.invalid-site'));
+
+ return 1;
+ }
+
+ $io->info($target);
+ $dumper = new Dumper();
+ $io->writeln($dumper->dump($targetConfig, 2));
+
+ return 0;
+ }
+}