symfony/symfony — pull request #5573 by hason (2012-09-21 08:56:29+00:00)
Title: Return code

Bug fix: no
Feature addition: no
Backwards compatibility break: no
Symfony2 tests pass: yes
License of the code: MIT

[Command::execute](https://github.com/symfony/symfony/blob/master/src/Symfony/Component/Console/Command/Command.php#L165) have to return 0 if everything went fine, or an error code