Enable running help command in Console

Mage/Console.php

@@ -13,6 +13,7 @@ namespace Mage;
 use Mage\Command\Factory;
 use Mage\Command\RequiresEnvironment;
 use Mage\Console\Colors;
+
 use Exception;
 use RecursiveDirectoryIterator;
 use SplFileInfo;
@@ -94,6 +95,7 @@ class Console
         try {
             // Load configuration
             $config->load($arguments);
+
         } catch (Exception $exception) {
             $configError = $exception->getMessage();
         }
@@ -117,6 +119,7 @@ class Console
         if ($showGreetings) {
             if (!self::$logEnabled) {
                 self::output('Starting <blue>Magallanes</blue>', 0, 2);
+
             } else {
                 self::output('Starting <blue>Magallanes</blue>', 0, 1);
                 self::log("Logging enabled");
@@ -127,15 +130,20 @@ class Console
         // Run Command - Check if there is a Configuration Error
         if ($configError !== false) {
             self::output('<red>' . $configError . '</red>', 1, 2);
+
         } else {
             // Run Command and check for Command Requirements
             try {
                 $command = Factory::get($commandName, $config);
 
-                if ($command instanceof RequiresEnvironment) {
+                if ($config->getParameter('help')) {
-                    if ($config->getEnvironment() === false) {
+                    self::output($command->getInfoMessage(), 2);
-                        throw new Exception('You must specify an environment for this command.');
+
+                    return 0;
                 }
+
+                if ($command instanceof RequiresEnvironment && $config->getEnvironment() === false) {
+                    throw new Exception('You must specify an environment for this command.');
                 }
 
                 // Run the Command
@@ -306,4 +314,5 @@ class Console
             || self::$config->general('verbose_logging')
             || self::$config->environmentConfig('verbose_logging', false);
     }
+
 }