initscripts: Restore locked root account access by using sulogin --force

[Ian Campbell]

On Thu, 2018-11-15 at 13:35 +0100, Andreas Henriksson wrote:
> Hello,
> 
> On Thu, Nov 15, 2018 at 05:47:03PM +0800, Benda Xu wrote:
> [...]
> > I think it a common Debian practice to set root
> > passwords.  Disabling
> > root login and put everything on `sudo` feels very Ubuntu. 
> 
> The debian-installer supports both things out of the box equally.#

Would it make sense for d-i to take responsibility for adding the `
--force` when setting up in `sudo`-only mode (i.e. when locking the
root account)?

Ian.