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ðŸ“„ Command.php(20.1 KB)
ðŸ“„ HelpCommand.php(2.32 KB)
ðŸ“„ LazyCommand.php(4.97 KB)
ðŸ“„ ListCommand.php(2.35 KB)
ðŸ“„ LockableTrait.php(1.65 KB)
ðŸ“„ SignalableCommandInterface.php(682 B)

Editing: LockableTrait.php

<?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\Lock\Lock;
use Symfony\Component\Lock\LockFactory;
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.
     */
    private function lock(string $name = null, bool $blocking = false): bool
    {
        if (!class_exists(SemaphoreStore::class)) {
            throw new LogicException('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()) {
            $store = new SemaphoreStore();
        } else {
            $store = new FlockStore();
        }

$this->lock = (new LockFactory($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;
        }
    }
}

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