Merging some fixes to Symfony Console component

lib/vendor/Symfony/Components/Console/Application.php

@@ -488,7 +488,7 @@ class Application
   {
     // namespace
     $namespace = '';
-    if (false !== $pos = strpos($name, ':'))
+    if (false !== $pos = strrpos($name, ':'))
     {
       $namespace = $this->findNamespace(substr($name, 0, $pos));
       $name = substr($name, $pos + 1);

lib/vendor/Symfony/Components/Console/Command/Command.php

@@ -276,7 +276,7 @@ class Command
    */
   public function setName($name)
   {
-    if (false !== $pos = strpos($name, ':'))
+    if (false !== $pos = strrpos($name, ':'))
     {
       $namespace = substr($name, 0, $pos);
       $name = substr($name, $pos + 1);
@@ -375,6 +375,28 @@ class Command
     return $this->help;
   }
 
+  /**
+   * Returns the processed help for the command replacing the %command.name% and
+   * %command.full_name% patterns with the real values dynamically.
+   *
+   * @return string  The processed help for the command
+   */
+  public function getProcessedHelp()
+  {
+    $name = $this->namespace.':'.$this->name;
+    
+    $placeholders = array(
+      '%command.name%',
+      '%command.full_name%'
+    );
+    $replacements = array(
+      $name,
+      $_SERVER['PHP_SELF'].' '.$name
+    );
+
+    return str_replace($placeholders, $replacements, $this->getHelp());
+  }
+
   /**
    * Sets the aliases for the command.
    *
@@ -457,7 +479,7 @@ class Command
 
     $messages[] = $this->definition->asText();
 
-    if ($help = $this->getHelp())
+    if ($help = $this->getProcessedHelp())
     {
       $messages[] = '<comment>Help:</comment>';
       $messages[] = ' '.implode("\n ", explode("\n", $help))."\n";

lib/vendor/Symfony/Components/Console/Input/ArgvInput.php

@@ -70,7 +70,7 @@ class ArgvInput extends Input
   protected function parse()
   {
     $this->parsed = $this->tokens;
-    while ($token = array_shift($this->parsed))
+    while (null !== ($token = array_shift($this->parsed)))
     {
       if ('--' === substr($token, 0, 2))
       {