Deprecated camelCase options in some CLI commands

module/CLI/src/Command/BaseCommand.php

@@ -0,0 +1,51 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Shlinkio\Shlink\CLI\Command;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputInterface;
+
+use function method_exists;
+use function Shlinkio\Shlink\Core\kebabCaseToCamelCase;
+use function sprintf;
+use function str_contains;
+
+abstract class BaseCommand extends Command
+{
+    /**
+     * @param mixed|null $default
+     */
+    protected function addOptionWithDeprecatedFallback(
+        string $name,
+        ?string $shortcut = null,
+        ?int $mode = null,
+        string $description = '',
+        $default = null
+    ): self {
+        $this->addOption($name, $shortcut, $mode, $description, $default);
+
+        if (str_contains($name, '-')) {
+            $camelCaseName = kebabCaseToCamelCase($name);
+            $this->addOption($camelCaseName, null, $mode, sprintf('[DEPRECATED] Same as "%s".', $name), $default);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @return bool|string|string[]|null
+     */
+    protected function getOptionWithDeprecatedFallback(InputInterface $input, string $name)
+    {
+        $rawInput = method_exists($input, '__toString') ? $input->__toString() : '';
+        $camelCaseName = kebabCaseToCamelCase($name);
+
+        if (str_contains($rawInput, $camelCaseName)) {
+            return $input->getOption($camelCaseName);
+        }
+
+        return $input->getOption($name);
+    }
+}