Re: VC top of the tree diff and log

[Dan Nicolaescu]

Miles Bader <address@hidden> writes:

  > Dan Nicolaescu <address@hidden> writes:
  > >   > Have you tried to run `vc-print-root-log' on the Emacs repository?
  > >   > I waited for several minutes and eventually abandoned the attempt.
  > >
  > > No, I only have the CVS one handy.
  > > But I've tried it on other things that have lots of lines, and yes it's
  > > slow.  See the "slow output" bugs/threads, they have been partially
  > > motivated by this. 
  > >
  > >   > We could provide a numeric prefix argument for vc print logs
  > >   > to limit the number of commits to show.  I mean translating it
  > >   > to the git command like "git-log -2".
  > >
  > > Yes, I have considered limiting the size of the log output, it needs to
  > > apply not only to the root log, but also to C-x v l.   But I
  > > don't know what the best thing to do here... :-(
  > 
  > What's the slowdown anyway?  The underlying git command, invoked via
  > `shell-command' (with output inserted into an emacs buffer) is almost
  > instantaneous.
  > 
  > Is it because it's trying to fontify and add text-props or overlays to
  > the entire buffer?

Don't know for sure, but from what I remember last time I looked at this
the problem was not the fontification.