Revision of last change in FILE

[Eli Zaretskii]

> From: Alexander Belchenko <bialix at ukr.net>
> Date: Sat, 19 Nov 2011 11:30:28 +0200
> 
> Eli Zaretskii пишет:
> > When I need to know which revision made the last change in a certain
> > file, I use this command:
> > 
> >   bzr log --line -l1 FILE
> > 
> > This works, but is somewhat slow, and also not very ergonomic from the
> > POV of how much one needs to type for such a simple task.  (Of course,
> > I could make an alias.)
> > 
> > Is there a better way?  All I need to know is the revno, nothing else.
> 
> There is a plugin to do exactly that task.
> 
> http://www.robf.de/Hacking/bazaar/bzr_file_revno/

Thanks!  This is faster than using tip:1 (4.2 sec in the Emacs
repository on my 6.5-year old XP box).

> I've used it couple of years ago, maybe it needs to be updated to 
> current bzrlib API.

It still works with fine bzr 2.4.2.  But it does a lot of disk I/O, so
perhaps the current bzrlib could make it do less I/O.