[merge] LockDir creates 'lock/' as part of lock_write()

[Martin Pool]

On 24 Aug 2006, John Arbash Meinel <john at arbash-meinel.com> wrote:
> This bug was reported recently:
> https://launchpad.net/products/bzr/+bug/56974
> 
> Basically, the problem is that someone manually deleted the
> '.bzr/repository/lock/' directory, which means that all future actions
> fail to create their pending directories.
> 

+1.  It'd be good to fix it for 0.10 because removing the whole lock is
something people are likely to try, but it's Robert's call.

thanks
-- 
Martin