Zentyal/zentyal — pull request #1133 by figarocorso (2014-03-12 17:50:57+00:00)
Title: enable-module script will not change password file if runned more than once

If debian-db.php already exists it means that enable-module script has already been executed, so if for any reason the script is executed again, we prevent it to overwrite the initial user/password combination.