[Python-Dev] Mercurial conversion repositories

[Antoine Pitrou]

Le samedi 26 février 2011 à 09:27 -0800, Daniel Stutzbach a écrit :
> On Sat, Feb 26, 2011 at 8:44 AM, Antoine Pitrou <solipsis at pitrou.net>
> wrote:
>         Le samedi 26 février 2011 à 08:38 -0800, Daniel Stutzbach a
>         écrit :
>         
>         > Can we just get rid of "trunk" altogether?  It's history is
>         a strict
>         > subset of the 2.7 branch's history, isn't it?
>         
>         
>         Named branches are exclusive, they can't be a subset of each
>         other ;)
>         (in other words: 2.7 starts where trunk stops; trunk
>         changesets are
>         strict ancestors of 2.7)
> 
> 
> Maybe I don't fully understand how Mercurial branches work or how it
> defines terminology (in fact, that is likely :) ).  What's the
> difference between the statement "trunk changesets are strict
> ancestors of 2.7" and the statement "trunk's history is a strict
> subset of 2.7's history"?

Apparently you overlooked the first statement:
"Named branches are exclusive".
In other words, a changeset can be in only one named branch.
So it's impossible for a branch to be a subset or superset of another.
(except the trivial case of an empty branch :-)).