[PATCH evolve-ext] split: reuse the pre-split commit message for the split ones

[Jordi Gutiérrez Hermoso]

On Tue, 2016-03-22 at 12:00 -0700, Pierre-Yves David wrote:
> 
> On 03/20/2016 03:18 PM, Jordi Gutiérrez Hermoso wrote:
> > # HG changeset patch
> > # User Jordi Gutiérrez Hermoso <jordigh at octave.org>
> > # Date 1458511862 14400
> > #      Sun Mar 20 18:11:02 2016 -0400
> > # Node ID f3c32a01d13f8bf64d29a758c6deb6dc8ee90466
> > # Parent  9bcb24c3ba8d2b5a7082ae61ac2193e867234822
> > split: reuse the pre-split commit message for the split ones
> >
> > The original commit message is probably relevant in some way for the
> > split commit messages. It is helpful for the user to have access to
> > the pre-split commit message, so we provide the original commit
> > message. This is more helpful than completely dropping the original
> > commit message during a split.
> 
> I'm a bit confused here because I -already- see such behavior without 
> your patch.
> 
> https://www.mercurial-scm.org/repo/evolve/file/9bcb24c3ba8d2b5a7082ae61ac2193e867234822/hgext/evolve.py#l2788
> 
> However that aspect seems to be untested, it would be great to add a test.

Huh, I think I wrote this patch when I was on an old head, then
rebased, and didn't notice that the new base already had the
functionality.

I still prefer my wording, though. Can I resend that part?