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<?php |
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declare(strict_types=1); |
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/* (c) Anton Medvedev <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Deployer\Task; |
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use Deployer\Configuration; |
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use Deployer\Exception\Exception; |
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use Deployer\Host\Host; |
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use Symfony\Component\Console\Input\InputInterface; |
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use Symfony\Component\Console\Output\OutputInterface; |
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class Context |
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{ |
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private Host $host; |
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/** |
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* @var Context[] |
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*/ |
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private static array $contexts = []; |
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public function __construct(Host $host) |
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{ |
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$this->host = $host; |
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} |
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public static function push(Context $context): void |
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{ |
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self::$contexts[] = $context; |
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} |
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public static function has(): bool |
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{ |
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return !empty(self::$contexts); |
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} |
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public static function get(): Context |
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{ |
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if (empty(self::$contexts)) { |
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throw new Exception("Context was requested but was not available."); |
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} |
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return end(self::$contexts); |
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} |
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public static function pop(): ?Context |
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{ |
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return array_pop(self::$contexts); |
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} |
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/** |
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* Throws a Exception when not called within a task-context and therefore no Context is available. |
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* |
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* This method provides a useful error to the end-user to make him/her aware |
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* to use a function in the required task-context. |
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* |
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* @throws Exception |
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*/ |
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public static function required(string $callerName): void |
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{ |
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if (empty(self::$contexts)) { |
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throw new Exception("'$callerName' can only be used within a task."); |
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} |
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} |
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public function getConfig(): Configuration |
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{ |
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return $this->host->config(); |
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} |
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public function getHost(): Host |
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{ |
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return $this->host; |
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} |
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} |
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deployphp /
deployer
