Feature: console:dump command.

recipe/common.php

@@ -6,6 +6,7 @@
  */
 
 namespace Deployer;
+require __DIR__ . '/common/config.php';
 
 use Deployer\Task\Context;
 use Symfony\Component\Console\Input\InputArgument;

recipe/common/config.php

@@ -0,0 +1,49 @@
+<?php
+/* (c) Anton Medvedev <anton@elfet.ru>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Deployer;
+
+use Deployer\Task\Context;
+use Symfony\Component\Console\Helper\Table;
+use Symfony\Component\Console\Style\SymfonyStyle;
+
+desc('Print server configuration');
+task('config:dump', function () {
+    $server = Context::get()->getServer();
+    $config = Deployer::get()->config;
+    $env = Context::get()->getEnvironment();
+    $dump = [];
+
+    foreach ($config as $name => $value) {
+        try {
+            $env->get($name);
+        } catch (\RuntimeException $exception) {
+            // Ignore fails.
+            $message = 'Failed to dump';
+            $env->set($name, output()->isDecorated() ? "\033[1;30m$message\033[0m" : $message);
+        }
+    }
+
+    foreach ($env->getValues() as $name => $value) {
+        if (is_array($value)) {
+            $value = json_encode($value);
+        } elseif (is_bool($value)) {
+            $value = $value ? 'Yes' : 'No';
+        }
+
+        $dump[] = [$name, $value];
+    }
+
+    $io = new SymfonyStyle(input(), output());
+    $io->section("[{$server->getConfiguration()->getName()}] {$server->getConfiguration()->getHost()}");
+
+    $table = new Table(output());
+    $table
+        ->setHeaders(['Parameter', 'Value',])
+        ->setRows($dump);
+    $table->render();
+});

src/Server/Environment.php

@@ -35,6 +35,14 @@ class Environment
         $this->values = new Collection();
     }
 
+    /**
+     * @return Collection
+     */
+    public function getValues()
+    {
+        return $this->values;
+    }
+
     /**
      * @param string $name
      * @param bool|int|string|array $value