reintroducing root ids

[Jan Hudec]

On Wed, Feb 08, 2006 at 14:39:57 +1100, Robert Collins wrote:
> So, two concepts now - repo scaling and nested trees have +1s on using
> root ids.
> 
> 
> Now we need an algorithm to sanely introduce them to existing trees, and
> generate them in new trees.
> 
> I kinda like Aarons 'add them when you commit with the parent being the
> NULL_REVISION' concept.

Perhaps they could be added during branch format upgrade, retroactively.
But I didn't think about this too much yet.

> Related to this is the root id to use in arch conversions - if you
> convert two related branches independently we should end up with the
> same root id.

The archive/category--branch--version is supposed to be unique, no?
Going as far down the CONTINUTATION marks as we manage (and prepending
with arch:, of course)

-- 
						 Jan 'Bulb' Hudec <bulb at ucw.cz>
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