Kanboard requires at least PHP 5.6 now

4 files changed, 142 insertions, 113 deletions

diff --git a/vendor/symfony/console/Command/Command.php b/vendor/symfony/console/Command/Command.php
index 6acbe219..06930425 100644
--- a/vendor/symfony/console/Command/Command.php
+++ b/vendor/symfony/console/Command/Command.php
@@ -11,14 +11,11 @@
 
 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;
 use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Output\BufferedOutput;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Application;
 use Symfony\Component\Console\Helper\HelperSet;
@@ -32,11 +29,17 @@ use Symfony\Component\Console\Exception\LogicException;
  */
 class Command
 {
+    /**
+     * @var string|null The default command name
+     */
+    protected static $defaultName;
+
     private $application;
     private $name;
     private $processTitle;
     private $aliases = array();
     private $definition;
+    private $hidden = false;
     private $help;
     private $description;
     private $ignoreValidationErrors = false;
@@ -48,8 +51,17 @@ class Command
     private $helperSet;
 
     /**
-     * Constructor.
-     *
+     * @return string|null The default command name or null when no default name is set
+     */
+    public static function getDefaultName()
+    {
+        $class = get_called_class();
+        $r = new \ReflectionProperty($class, 'defaultName');
+
+        return $class === $r->class ? static::$defaultName : null;
+    }
+
+    /**
      * @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
@@ -58,15 +70,11 @@ class Command
     {
         $this->definition = new InputDefinition();
 
-        if (null !== $name) {
+        if (null !== $name || null !== $name = static::getDefaultName()) {
             $this->setName($name);
         }
 
         $this->configure();
-
-        if (!$this->name) {
-            throw new LogicException(sprintf('The command defined in "%s" cannot have an empty name.', get_class($this)));
-        }
     }
 
     /**
@@ -79,11 +87,6 @@ class Command
         $this->ignoreValidationErrors = true;
     }
 
-    /**
-     * Sets the application instance for this command.
-     *
-     * @param Application $application An Application instance
-     */
     public function setApplication(Application $application = null)
     {
         $this->application = $application;
@@ -94,11 +97,6 @@ class Command
         }
     }
 
-    /**
-     * Sets the helper set.
-     *
-     * @param HelperSet $helperSet A HelperSet instance
-     */
     public function setHelperSet(HelperSet $helperSet)
     {
         $this->helperSet = $helperSet;
@@ -152,9 +150,6 @@ class Command
      * execute() method, you set the code to execute by passing
      * a Closure to the setCode() method.
      *
-     * @param InputInterface  $input  An InputInterface instance
-     * @param OutputInterface $output An OutputInterface instance
-     *
      * @return null|int null or 0 if everything went fine, or an error code
      *
      * @throws LogicException When this abstract method is not implemented
@@ -172,9 +167,6 @@ class Command
      * This method is executed before the InputDefinition is validated.
      * This means that this is the only place where the command can
      * interactively ask for values of missing required arguments.
-     *
-     * @param InputInterface  $input  An InputInterface instance
-     * @param OutputInterface $output An OutputInterface instance
      */
     protected function interact(InputInterface $input, OutputInterface $output)
     {
@@ -185,9 +177,6 @@ class Command
      *
      * This is mainly useful when a lot of commands extends one main command
      * where some things need to be initialized based on the input arguments and options.
-     *
-     * @param InputInterface  $input  An InputInterface instance
-     * @param OutputInterface $output An OutputInterface instance
      */
     protected function initialize(InputInterface $input, OutputInterface $output)
     {
@@ -200,12 +189,9 @@ class Command
      * setCode() method or by overriding the execute() method
      * in a sub-class.
      *
-     * @param InputInterface  $input  An InputInterface instance
-     * @param OutputInterface $output An OutputInterface instance
-     *
      * @return int The command exit code
      *
-     * @throws \Exception
+     * @throws \Exception When binding input fails. Bypass this by calling {@link ignoreValidationErrors()}.
      *
      * @see setCode()
      * @see execute()
@@ -232,7 +218,14 @@ class Command
 
         if (null !== $this->processTitle) {
             if (function_exists('cli_set_process_title')) {
-                cli_set_process_title($this->processTitle);
+                if (false === @cli_set_process_title($this->processTitle)) {
+                    if ('Darwin' === PHP_OS) {
+                        $output->writeln('<comment>Running "cli_get_process_title" as an unprivileged user is not supported on MacOS.</comment>');
+                    } else {
+                        $error = error_get_last();
+                        trigger_error($error['message'], E_USER_WARNING);
+                    }
+                }
             } elseif (function_exists('setproctitle')) {
                 setproctitle($this->processTitle);
             } elseif (OutputInterface::VERBOSITY_VERY_VERBOSE === $output->getVerbosity()) {
@@ -270,22 +263,26 @@ class Command
      *
      * @param callable $code A callable(InputInterface $input, OutputInterface $output)
      *
-     * @return Command The current instance
+     * @return $this
      *
      * @throws InvalidArgumentException
      *
      * @see execute()
      */
-    public function setCode($code)
+    public function setCode(callable $code)
     {
-        if (!is_callable($code)) {
-            throw new InvalidArgumentException('Invalid callable provided to Command::setCode.');
-        }
-
-        if (PHP_VERSION_ID >= 50400 && $code instanceof \Closure) {
+        if ($code instanceof \Closure) {
             $r = new \ReflectionFunction($code);
             if (null === $r->getClosureThis()) {
-                $code = \Closure::bind($code, $this);
+                if (\PHP_VERSION_ID < 70000) {
+                    // Bug in PHP5: https://bugs.php.net/bug.php?id=64761
+                    // This means that we cannot bind static closures and therefore we must
+                    // ignore any errors here.  There is no way to test if the closure is
+                    // bindable.
+                    $code = @\Closure::bind($code, $this);
+                } else {
+                    $code = \Closure::bind($code, $this);
+                }
             }
         }
 
@@ -326,7 +323,7 @@ class Command
      *
      * @param array|InputDefinition $definition An array of argument and option instances or a definition instance
      *
-     * @return Command The current instance
+     * @return $this
      */
     public function setDefinition($definition)
     {
@@ -352,7 +349,7 @@ class Command
     }
 
     /**
-     * Gets the InputDefinition to be used to create XML and Text representations of this Command.
+     * Gets the InputDefinition to be used to create representations of this Command.
      *
      * Can be overridden to provide the original command representation when it would otherwise
      * be changed by merging with the application InputDefinition.
@@ -374,7 +371,7 @@ class Command
      * @param string $description A description text
      * @param mixed  $default     The default value (for InputArgument::OPTIONAL mode only)
      *
-     * @return Command The current instance
+     * @return $this
      */
     public function addArgument($name, $mode = null, $description = '', $default = null)
     {
@@ -392,7 +389,7 @@ class Command
      * @param string $description A description text
      * @param mixed  $default     The default value (must be null for InputOption::VALUE_NONE)
      *
-     * @return Command The current instance
+     * @return $this
      */
     public function addOption($name, $shortcut = null, $mode = null, $description = '', $default = null)
     {
@@ -411,7 +408,7 @@ class Command
      *
      * @param string $name The command name
      *
-     * @return Command The current instance
+     * @return $this
      *
      * @throws InvalidArgumentException When the name is invalid
      */
@@ -434,7 +431,7 @@ class Command
      *
      * @param string $title The process title
      *
-     * @return Command The current instance
+     * @return $this
      */
     public function setProcessTitle($title)
     {
@@ -454,11 +451,31 @@ class Command
     }
 
     /**
+     * @param bool $hidden Whether or not the command should be hidden from the list of commands
+     *
+     * @return Command The current instance
+     */
+    public function setHidden($hidden)
+    {
+        $this->hidden = (bool) $hidden;
+
+        return $this;
+    }
+
+    /**
+     * @return bool whether the command should be publicly shown or not
+     */
+    public function isHidden()
+    {
+        return $this->hidden;
+    }
+
+    /**
      * Sets the description for the command.
      *
      * @param string $description The description for the command
      *
-     * @return Command The current instance
+     * @return $this
      */
     public function setDescription($description)
     {
@@ -482,7 +499,7 @@ class Command
      *
      * @param string $help The help for the command
      *
-     * @return Command The current instance
+     * @return $this
      */
     public function setHelp($help)
     {
@@ -528,7 +545,7 @@ class Command
      *
      * @param string[] $aliases An array of aliases for the command
      *
-     * @return Command The current instance
+     * @return $this
      *
      * @throws InvalidArgumentException When an alias is invalid
      */
@@ -579,6 +596,8 @@ class Command
      * Add a command usage example.
      *
      * @param string $usage The usage, it'll be prefixed with the command name
+     *
+     * @return $this
      */
     public function addUsage($usage)
     {
@@ -621,49 +640,6 @@ class Command
     }
 
     /**
-     * Returns a text representation of the command.
-     *
-     * @return string A string representing the command
-     *
-     * @deprecated since version 2.3, to be removed in 3.0.
-     */
-    public function asText()
-    {
-        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0.', E_USER_DEPRECATED);
-
-        $descriptor = new TextDescriptor();
-        $output = new BufferedOutput(BufferedOutput::VERBOSITY_NORMAL, true);
-        $descriptor->describe($output, $this, array('raw_output' => true));
-
-        return $output->fetch();
-    }
-
-    /**
-     * Returns an XML representation of the command.
-     *
-     * @param bool $asDom Whether to return a DOM or an XML string
-     *
-     * @return string|\DOMDocument An XML string representing the command
-     *
-     * @deprecated since version 2.3, to be removed in 3.0.
-     */
-    public function asXml($asDom = false)
-    {
-        @trigger_error('The '.__METHOD__.' method is deprecated since version 2.3 and will be removed in 3.0.', E_USER_DEPRECATED);
-
-        $descriptor = new XmlDescriptor();
-
-        if ($asDom) {
-            return $descriptor->getCommandDocument($this);
-        }
-
-        $output = new BufferedOutput();
-        $descriptor->describe($output, $this);
-
-        return $output->fetch();
-    }
-
-    /**
      * Validates a command name.
      *
      * It must be non-empty and parts can optionally be separated by ":".
diff --git a/vendor/symfony/console/Command/HelpCommand.php b/vendor/symfony/console/Command/HelpCommand.php
index c0e7b388..112679b3 100644
--- a/vendor/symfony/console/Command/HelpCommand.php
+++ b/vendor/symfony/console/Command/HelpCommand.php
@@ -37,7 +37,6 @@ class HelpCommand extends Command
             ->setName('help')
             ->setDefinition(array(
                 new InputArgument('command_name', InputArgument::OPTIONAL, 'The command name', 'help'),
-                new InputOption('xml', null, InputOption::VALUE_NONE, 'To output help as XML'),
                 new InputOption('format', null, InputOption::VALUE_REQUIRED, 'The output format (txt, xml, json, or md)', 'txt'),
                 new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw command help'),
             ))
@@ -57,11 +56,6 @@ EOF
         ;
     }
 
-    /**
-     * Sets the command.
-     *
-     * @param Command $command The command to set
-     */
     public function setCommand(Command $command)
     {
         $this->command = $command;
@@ -76,12 +70,6 @@ EOF
             $this->command = $this->getApplication()->find($input->getArgument('command_name'));
         }
 
-        if ($input->getOption('xml')) {
-            @trigger_error('The --xml option was deprecated in version 2.7 and will be removed in version 3.0. Use the --format option instead.', E_USER_DEPRECATED);
-
-            $input->setOption('format', 'xml');
-        }
-
         $helper = new DescriptorHelper();
         $helper->describe($output, $this->command, array(
             'format' => $input->getOption('format'),
diff --git a/vendor/symfony/console/Command/ListCommand.php b/vendor/symfony/console/Command/ListCommand.php
index 5e1b926a..179ddea5 100644
--- a/vendor/symfony/console/Command/ListCommand.php
+++ b/vendor/symfony/console/Command/ListCommand.php
@@ -68,12 +68,6 @@ EOF
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
-        if ($input->getOption('xml')) {
-            @trigger_error('The --xml option was deprecated in version 2.7 and will be removed in version 3.0. Use the --format option instead.', E_USER_DEPRECATED);
-
-            $input->setOption('format', 'xml');
-        }
-
         $helper = new DescriptorHelper();
         $helper->describe($output, $this->getApplication(), array(
             'format' => $input->getOption('format'),
@@ -89,7 +83,6 @@ EOF
     {
         return new InputDefinition(array(
             new InputArgument('namespace', InputArgument::OPTIONAL, 'The namespace name'),
-            new InputOption('xml', null, InputOption::VALUE_NONE, 'To output list as XML'),
             new InputOption('raw', null, InputOption::VALUE_NONE, 'To output raw command list'),
             new InputOption('format', null, InputOption::VALUE_REQUIRED, 'The output format (txt, xml, json, or md)', 'txt'),
         ));
diff --git a/vendor/symfony/console/Command/LockableTrait.php b/vendor/symfony/console/Command/LockableTrait.php
new file mode 100644
index 00000000..308ebf28
--- /dev/null
+++ b/vendor/symfony/console/Command/LockableTrait.php
@@ -0,0 +1,72 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Command;
+
+use Symfony\Component\Console\Exception\LogicException;
+use Symfony\Component\Console\Exception\RuntimeException;
+use Symfony\Component\Lock\Factory;
+use Symfony\Component\Lock\Lock;
+use Symfony\Component\Lock\Store\FlockStore;
+use Symfony\Component\Lock\Store\SemaphoreStore;
+
+/**
+ * Basic lock feature for commands.
+ *
+ * @author Geoffrey Brier <geoffrey.brier@gmail.com>
+ */
+trait LockableTrait
+{
+    /** @var Lock */
+    private $lock;
+
+    /**
+     * Locks a command.
+     *
+     * @return bool
+     */
+    private function lock($name = null, $blocking = false)
+    {
+        if (!class_exists(SemaphoreStore::class)) {
+            throw new RuntimeException('To enable the locking feature you must install the symfony/lock component.');
+        }
+
+        if (null !== $this->lock) {
+            throw new LogicException('A lock is already in place.');
+        }
+
+        if (SemaphoreStore::isSupported($blocking)) {
+            $store = new SemaphoreStore();
+        } else {
+            $store = new FlockStore();
+        }
+
+        $this->lock = (new Factory($store))->createLock($name ?: $this->getName());
+        if (!$this->lock->acquire($blocking)) {
+            $this->lock = null;
+
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Releases the command lock if there is one.
+     */
+    private function release()
+    {
+        if ($this->lock) {
+            $this->lock->release();
+            $this->lock = null;
+        }
+    }
+}