Re: Obscure error/warning/information message from git pull

[Eli Zaretskii]

> Date: Wed, 19 Nov 2014 08:12:38 +0700
> From: Yuri Khan <address@hidden>
> Cc: Sergey Organov <address@hidden>, Emacs developers <address@hidden>
> 
> On Wed, Nov 19, 2014 at 4:43 AM, Alan Mackenzie <address@hidden> wrote:
> >
> >> Well, given the following history (time goes from left to right):
> >
> >>              - C - D <- foo
> >>            /
> >> ... - A - B
> >>            \
> >>              - E - F <- bar
> >
> >
> >> what branch commit A was made on, 'foo' or 'bar'?
> >
> > Quite clearly, A was committed on branch foo, since bar didn't exist at
> > that time.
> 
> But git does not know that. For all it knows, bar could be the
> original branch and foo branched from it at B. The history above is
> symmetrical.

Bringing DAG rewriting into the picture doesn't help a bit in this
already messy discussion.  Nothing like that happened in Alan's case,
and the chances of its happening in the Emacs repo are slim at best.