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On 22/03/11 11:19, John Arbash Meinel wrote:
> And suddenly the revision which was an "important" C change is now gone
> on the mainline, and your personal "and I did D" is now a primary
> revision. It doesn't matter much for a single revision D and C, but for
> anything long lived, you end up with 100 Guido exploratory D revisions,
> and some 50+ other python-dev super-stable trunk C revisions. And unless
> the tool helps you preserve the ordering[3], you really don't want to
> trying to treat them with different levels of authority. Hence, you tend
> to collapse, because you really can only trust "E" to be a final stable
> change.

Mercurial merge has a "left" and "right" parents concept. Some commands
only follow the "left" side. For instance, "hg log --follow-first".

We could have a trivial "push hook" to enforce that the current tip be
the "left/first" parent for any merge.

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