vendor/illuminate/database/Console/Migrations/MigrateCommand.php

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<?php

namespace Illuminate\Database\Console\Migrations;

use Illuminate\Console\ConfirmableTrait;
use Illuminate\Database\Migrations\Migrator;

class MigrateCommand extends BaseCommand
{
    use ConfirmableTrait;

    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'migrate {--database= : The database connection to use}
                {--force : Force the operation to run when in production}
                {--path=* : The path(s) to the migrations files to be executed}
                {--realpath : Indicate any provided migration file paths are pre-resolved absolute paths}
                {--pretend : Dump the SQL queries that would be run}
                {--seed : Indicates if the seed task should be re-run}
                {--step : Force the migrations to be run so they can be rolled back individually}';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Run the database migrations';

    /**
     * The migrator instance.
     *
     * @var \Illuminate\Database\Migrations\Migrator
     */
    protected $migrator;

    /**
     * Create a new migration command instance.
     *
     * @param  \Illuminate\Database\Migrations\Migrator  $migrator
     * @return void
     */
    public function __construct(Migrator $migrator)
    {
        parent::__construct();

        $this->migrator = $migrator;
    }

    /**
     * Execute the console command.
     *
     * @return void
     */
    public function handle()
    {
        if (! $this->confirmToProceed()) {
            return;