composer.json

{
    "name": "finagin/dryrunnable",
    "license": "MIT",
    "keywords": ["laravel", "database", "console"],
    "authors": [
        {
            "name": "Igor Finagin",
            "email": "Igor@Finag.in"
        }
    ],
    "require": {
        "php": "^7.0",
        "illuminate/console": "*",
        "illuminate/database": "*"
    },
    "autoload": {
        "psr-4": {
            "Finagin\\Support\\": ""
        }
    },
    "config": {
        "sort-packages": true
    },
    "minimum-stability": "dev"
}

DryRunnableTrait.php

<?php

namespace Finagin\Support;

use Illuminate\Console\ConfirmableTrait;
use Illuminate\Database\ConnectionInterface;
use LogicException;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * @mixin \Illuminate\Console\Command
 */
trait DryRunnableTrait
{
    use ConfirmableTrait;

    protected function execute(InputInterface $input, OutputInterface $output)
    {
        if (! $this->hasOption('dry-run')) {
            throw new LogicException('Option "dry-run" is not defined in '.static::class.' command signature');
        }

        return $this->wrap(function () use ($input, $output) {
            return parent::execute($input, $output);
        });
    }

    private function wrap(callable $callback, ...$args)
    {
        $wrapper = $this->option('dry-run')
            ? function (callable $callback, ...$args) {
                $this->alert('Executing in dry run mode');

                $this->database()->beginTransaction();
                try {
                    return $callback(...$args) ?: 138;
                } finally {
                    $this->database()->rollBack();
                }
            }
            : function (callable $callback, ...$args) {
                if (! $this->confirmToProceed($this->confirmationWarning ?? 'Dangerous operation.', true)) {
                    return 1;
                }

                return $callback(...$args);
            };

        return $wrapper($callback, ...$args);
    }

    /**
     * @throws \Illuminate\Contracts\Container\BindingResolutionException
     */
    private function database(): ConnectionInterface
    {
        return $this->getLaravel()->make(ConnectionInterface::class);
    }
}