[PATCH] Fix revlog.parseindex

[Alexis S. L. Carvalho]

Thus spake Chris Mason:
> On Saturday 13 May 2006 14:12, Alexis S. L. Carvalho wrote:
> > diff -r 766c3c852786 -r df4b5d5b2a1b mercurial/revlog.py
> > --- a/mercurial/revlog.py	Fri May 12 21:25:58 2006 -0700
> > +++ b/mercurial/revlog.py	Sat May 13 15:09:57 2006 -0300
> > @@ -405,19 +405,17 @@ class revlog(object):
> >              if n == 0 and self.inlinedata():
> >                  # cache the first chunk
> >                  self.chunkcache = (0, data)
> > +            if leftover:
> > +                data = leftover + data
> > +                leftover = None
> 
> Sorry for the late reply.  The reason why the code wasn't this way initially 
> is string duplication.  My version duplicates a 64 byte string, this one 
> makes two copies of a 64kb string.

OTOH this one removes a conditional from the inner loop.

I did try to benchmark it before sending the patch, but I wasn't able to
measure any significant difference.

Alexis