Update to Drupal 8.1.0. For more information, see https://www.drupal.org/drupal-8.1.0-release-notes

vendor/symfony/console/Command/Command.php

@@ -13,6 +13,7 @@ namespace Symfony\Component\Console\Command;
 
 use Symfony\Component\Console\Descriptor\TextDescriptor;
 use Symfony\Component\Console\Descriptor\XmlDescriptor;
+use Symfony\Component\Console\Exception\ExceptionInterface;
 use Symfony\Component\Console\Input\InputDefinition;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Input\InputArgument;
@@ -21,6 +22,8 @@ use Symfony\Component\Console\Output\BufferedOutput;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Helper\HelperSet;
+use Symfony\Component\Console\Exception\InvalidArgumentException;
+use Symfony\Component\Console\Exception\LogicException;
 
 /**
  * Base class for all commands.
@@ -49,7 +52,7 @@ class Command
      *
      * @param string|null $name The name of the command; passing null means it must be set in configure()
      *
-     * @throws \LogicException When the command name is empty
+     * @throws LogicException When the command name is empty
      */
     public function __construct($name = null)
     {
@@ -62,7 +65,7 @@ class Command
         $this->configure();
 
         if (!$this->name) {
-            throw new \LogicException(sprintf('The command defined in "%s" cannot have an empty name.', get_class($this)));
+            throw new LogicException(sprintf('The command defined in "%s" cannot have an empty name.', get_class($this)));
         }
     }
 
@@ -154,13 +157,13 @@ class Command
      *
      * @return null|int null or 0 if everything went fine, or an error code
      *
-     * @throws \LogicException When this abstract method is not implemented
+     * @throws LogicException When this abstract method is not implemented
      *
      * @see setCode()
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
-        throw new \LogicException('You must override the execute() method in the concrete command class.');
+        throw new LogicException('You must override the execute() method in the concrete command class.');
     }
 
     /**
@@ -219,7 +222,7 @@ class Command
         // bind the input against the command specific arguments/options
         try {
             $input->bind($this->definition);
-        } catch (\Exception $e) {
+        } catch (ExceptionInterface $e) {
             if (!$this->ignoreValidationErrors) {
                 throw $e;
             }
@@ -269,14 +272,21 @@ class Command
      *
      * @return Command The current instance
      *
-     * @throws \InvalidArgumentException
+     * @throws InvalidArgumentException
      *
      * @see execute()
      */
     public function setCode($code)
     {
         if (!is_callable($code)) {
-            throw new \InvalidArgumentException('Invalid callable provided to Command::setCode.');
+            throw new InvalidArgumentException('Invalid callable provided to Command::setCode.');
+        }
+
+        if (PHP_VERSION_ID >= 50400 && $code instanceof \Closure) {
+            $r = new \ReflectionFunction($code);
+            if (null === $r->getClosureThis()) {
+                $code = \Closure::bind($code, $this);
+            }
         }
 
         $this->code = $code;
@@ -380,7 +390,7 @@ class Command
      * @param string $shortcut    The shortcut (can be null)
      * @param int    $mode        The option mode: One of the InputOption::VALUE_* constants
      * @param string $description A description text
-     * @param mixed  $default     The default value (must be null for InputOption::VALUE_REQUIRED or InputOption::VALUE_NONE)
+     * @param mixed  $default     The default value (must be null for InputOption::VALUE_NONE)
      *
      * @return Command The current instance
      */
@@ -403,7 +413,7 @@ class Command
      *
      * @return Command The current instance
      *
-     * @throws \InvalidArgumentException When the name is invalid
+     * @throws InvalidArgumentException When the name is invalid
      */
     public function setName($name)
     {
@@ -520,12 +530,12 @@ class Command
      *
      * @return Command The current instance
      *
-     * @throws \InvalidArgumentException When an alias is invalid
+     * @throws InvalidArgumentException When an alias is invalid
      */
     public function setAliases($aliases)
     {
         if (!is_array($aliases) && !$aliases instanceof \Traversable) {
-            throw new \InvalidArgumentException('$aliases must be an array or an instance of \Traversable');
+            throw new InvalidArgumentException('$aliases must be an array or an instance of \Traversable');
         }
 
         foreach ($aliases as $alias) {
@@ -598,7 +608,7 @@ class Command
      *
      * @return mixed The helper value
      *
-     * @throws \InvalidArgumentException if the helper is not defined
+     * @throws InvalidArgumentException if the helper is not defined
      */
     public function getHelper($name)
     {
@@ -655,12 +665,12 @@ class Command
      *
      * @param string $name
      *
-     * @throws \InvalidArgumentException When the name is invalid
+     * @throws InvalidArgumentException When the name is invalid
      */
     private function validateName($name)
     {
         if (!preg_match('/^[^\:]++(\:[^\:]++)*$/', $name)) {
-            throw new \InvalidArgumentException(sprintf('Command name "%s" is invalid.', $name));
+            throw new InvalidArgumentException(sprintf('Command name "%s" is invalid.', $name));
         }
     }
 }

vendor/symfony/console/Command/HelpCommand.php

@@ -42,7 +42,7 @@ class HelpCommand extends Command
                 new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw command help'),
             ))
             ->setDescription('Displays help for a command')
-            ->setHelp(<<<EOF
+            ->setHelp(<<<'EOF'
 The <info>%command.name%</info> command displays help for a given command:
 
   <info>php %command.full_name% list</info>

vendor/symfony/console/Command/ListCommand.php

@@ -34,7 +34,7 @@ class ListCommand extends Command
             ->setName('list')
             ->setDefinition($this->createDefinition())
             ->setDescription('Lists commands')
-            ->setHelp(<<<EOF
+            ->setHelp(<<<'EOF'
 The <info>%command.name%</info> command lists all commands:
 
   <info>php %command.full_name%</info>