Classes/Console/Core/Kernel.php
public function handle(InputInterface $input): int
    {
        $this->initialize();

        $commandCollection = new CommandCollection(
            $this->runLevel,
            new CommandConfiguration(GeneralUtility::makeInstance(PackageManager::class))
        );

        $application = new Application($this->runLevel, CompatibilityScripts::isComposerMode());
        $application->setCommandLoader($commandCollection);

        // Try to resolve short command names and aliases
        $givenCommandName = $input->getFirstArgument() ?: 'list';
        $commandNameCandidate = $commandCollection->find($givenCommandName);
        if ($this->runLevel->isCommandAvailable($commandNameCandidate)) {
            $this->runLevel->runSequenceForCommand($commandNameCandidate);
            // @deprecated will be removed once command controller support is removed
            if ($this->runLevel->getRunLevelForCommand($commandNameCandidate) !== RunLevel::LEVEL_ESSENTIAL) {
                $commandCollection->addCommandControllerCommands($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['extbase']['commandControllers'] ?? []);
                $commandName = $commandCollection->find($givenCommandName);
                if ($commandNameCandidate !== $commandName) {
                    // Mitigate #779 and #778 at least when command controller commands conflict with non low level
                    // previously registered commands
                    $this->runLevel->runSequenceForCommand($commandName);
                }
            }
        }

        return $application->run($input);
    }
public function handle(InputInterface $input): int
    {
        $this->initialize();

        $commandCollection = new CommandCollection(
            $this->runLevel,
            new CommandConfiguration(GeneralUtility::makeInstance(PackageManager::class))
        );

        $application = new Application($this->runLevel, CompatibilityScripts::isComposerMode());
        $application->setCommandLoader($commandCollection);

        // Try to resolve short command names and aliases
        $givenCommandName = $input->getFirstArgument() ?: 'list';
        $commandNameCandidate = $commandCollection->find($givenCommandName);
        if ($this->runLevel->isCommandAvailable($commandNameCandidate)) {
            $this->runLevel->runSequenceForCommand($commandNameCandidate);
            // @deprecated will be removed once command controller support is removed
            if ($this->runLevel->getRunLevelForCommand($commandNameCandidate) !== RunLevel::LEVEL_ESSENTIAL) {
                $commandCollection->addCommandControllerCommands($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['extbase']['commandControllers'] ?? []);
                $commandName = $commandCollection->find($givenCommandName);
                if ($commandNameCandidate !== $commandName) {
                    // Mitigate #779 and #778 at least when command controller commands conflict with non low level
                    // previously registered commands
                    $this->runLevel->runSequenceForCommand($commandName);
                }
            }
        }

        return $application->run($input);
    }
Handle the given command input and return the exit code of the called command

@param InputInterface $input
@throws Exception
@throws InvalidArgumentException
@return int