rich roots conversion
robert.collins at canonical.com
Wed Apr 15 06:13:24 BST 2009
On Wed, 2009-04-15 at 00:00 -0500, John Arbash Meinel wrote:
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> Robert Collins wrote:
> > So John, I'm blocked on organising a migration to rich roots for bzr
> > pending the outcome of your discussion on changing the migration
> > algorithm.
> > Was it pure speculation or something concrete you are working on?
> > -Rob
> It was speculative based on
> 1) Observing that fully 1/5th of the text keys in the launchpad tree are
> for the TREE_ROOT
> 2) 1/2 of the keys are for the empty-text, which was pretty surprising
> 3) Discussions with Aaron about why we were generating a new revision_id
> on every revision seemed to boil down into wanting to handle 'ghosts',
> only it isn't really handled anyway.
> So it was mostly a feeling that the reason we were generating these
> extra nodes seemed a bit bogus, and it means we carry that cruft around
> for a long time.
The ghost handling works, or we couldn't convert bzr.dev :).
So - I'm not working on this, Andrew and Martin aren't - AFAIK Ian isn't
- if you or Aaron aren't, should I ignore this for planning?
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