add init command (#4311)

rector.php.dist

@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Architecture\Rector\Class_\MoveRepositoryFromParentToConstructorRector;
+use Rector\Architecture\Rector\MethodCall\ReplaceParentRepositoryCallsByRepositoryPropertyRector;
+use Rector\Core\Configuration\Option;
+use Rector\Doctrine\Rector\Class_\RemoveRepositoryFromEntityAnnotationRector;
+use Rector\Set\ValueObject\SetList;
+use Rector\SOLID\Rector\Class_\FinalizeClassesWithoutChildrenRector;
+use Rector\TypeDeclaration\Rector\Property\PropertyTypeDeclarationRector;
+use Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator;
+
+return static function (ContainerConfigurator $containerConfigurator): void {
+
+    // get parameters
+    $parameters = $containerConfigurator->parameters();
+
+    // Define what rule sets will be applied
+    $parameters->set(Option::SETS, [
+        SetList::NAMING,
+        SetList::CODE_QUALITY,
+    ]);
+
+    // get services (needed for register a single rule)
+    // $services = $containerConfigurator->services();
+
+    // register a single rule
+    // $services->set(TypedPropertyRector::class);
+};

src/Console/Command/InitCommand.php

@@ -0,0 +1,56 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Core\Console\Command;
+
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Style\SymfonyStyle;
+use Symplify\PackageBuilder\Console\Command\CommandNaming;
+use Symplify\PackageBuilder\Console\ShellCode;
+use Symplify\SmartFileSystem\SmartFileSystem;
+
+final class InitCommand extends AbstractCommand
+{
+    /**
+     * @var SmartFileSystem
+     */
+    private $smartFileSystem;
+
+    /**
+     * @var SymfonyStyle
+     */
+    private $symfonyStyle;
+
+    /**
+     * InitCommand constructor.
+     */
+    public function __construct(SmartFileSystem $smartFileSystem, SymfonyStyle $symfonyStyle)
+    {
+        parent::__construct();
+
+        $this->smartFileSystem = $smartFileSystem;
+        $this->symfonyStyle = $symfonyStyle;
+    }
+
+    protected function configure(): void
+    {
+        $this->setName(CommandNaming::classToName(self::class));
+        $this->setDescription('Generate rector.php configuration file');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output): int
+    {
+        $rectorConfigFiles = $this->smartFileSystem->exists(getcwd() . '/rector.php');
+
+        if (! $rectorConfigFiles) {
+            $this->smartFileSystem->copy('rector.php.dist', getcwd() . '/rector.php');
+            $this->symfonyStyle->success('rector.php config file has been generated successfully');
+        } else {
+            $this->symfonyStyle->error('Config file not generated. A rector.php configuration file already exists');
+        }
+
+        return ShellCode::SUCCESS;
+    }
+}