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<?php |
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/** |
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* @author Gerard van Helden <[email protected]> |
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* @copyright Zicht online <http://zicht.nl> |
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*/ |
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namespace Zicht\Tool\Container; |
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use Symfony\Component\Process\Process; |
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/** |
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* Runs the commands in the shell. |
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*/ |
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class Executor |
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{ |
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/** |
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* Constructor |
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* |
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* @param Container $container |
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*/ |
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public function __construct(Container $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* Executes the passed command line in the shell. |
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* |
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* @param string $cmd |
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* @param null &$captureOutput |
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* @param string $captureOutput |
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* @return int |
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* |
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* @throws ExecutionAbortedException |
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* @throws \UnexpectedValueException |
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*/ |
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public function execute($cmd, &$captureOutput = null) |
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{ |
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$isInteractive = $this->container->get('INTERACTIVE'); |
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$process = $this->createProcess($isInteractive); |
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if ($isInteractive) { |
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$process->setCommandLine(sprintf('/bin/bash -c \'%s\'', $cmd)); |
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} else { |
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$process->setInput($cmd); |
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} |
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if (null !== $captureOutput && false === $isInteractive) { |
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$process->run(function ($type, $data) use(&$captureOutput) { |
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$captureOutput .= $data; |
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}); |
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} else { |
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$process->run(array($this, 'processCallback')); |
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} |
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$ret = $process->getExitCode(); |
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if ($ret != 0) { |
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if ((int)$ret == Container::ABORT_EXIT_CODE) { |
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throw new ExecutionAbortedException("Command '$cmd' was aborted"); |
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} else { |
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throw new \UnexpectedValueException("Command '$cmd' failed with exit code {$ret}"); |
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} |
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} |
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return $ret; |
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} |
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/** |
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* Create the process instance to use for non-interactive handling |
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* |
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* @var bool $interactive |
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* @return \Symfony\Component\Process\Process |
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*/ |
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protected function createProcess($interactive = false) |
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{ |
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$process = new Process($this->container->resolve('SHELL'), null, null, null, null, []); |
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if ($interactive) { |
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$process->setTty(true); |
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} else { |
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if ($this->container->has('TIMEOUT') && $timeout = $this->container->get('TIMEOUT')) { |
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$process->setTimeout($this->container->get('TIMEOUT')); |
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} |
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} |
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return $process; |
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} |
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/** |
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* The callback used for the process executed by Process |
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* |
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* @param mixed $mode |
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* @param string $data |
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* @return void |
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*/ |
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public function processCallback($mode, $data) |
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{ |
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if (isset($this->container->output)) { |
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$this->container->output->write($data); |
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} |
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} |
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} |
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zicht /
z
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In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: