/**
* @param string|array|Process $cmd An instance of Process or an array of arguments to escape and run or a command to run
* @param string|null $error An error message that must be displayed if something went wrong
*
* @return Process
*/
public function mustRun($cmd, $error = null)
{
return $this->helper->mustRun($this->output, $cmd, $error);
}
/**
* Runs the process.
*
* This is identical to run() except that an exception is thrown if the process
* exits with a non-zero exit code.
*
* @param string|Process $cmd An instance of Process or a command to run
* @param string|null $error An error message that must be displayed if something went wrong
* @param callable|null $callback A PHP callback to run whenever there is some
* output available on STDOUT or STDERR
*
* @throws ProcessFailedException
*
* @return Process The process that ran
*
* @see run()
*/
public function mustRun($cmd, $error = null, callable $callback = null)
{
return $this->processHelper->mustRun($this->output, $cmd, $error, $callback);
}