updated: Re: [MERGE] trees - add get_parent_ids

[Robert Collins]

On Fri, 2006-06-16 at 23:51 +1000, Robert Collins wrote:
> This patch adds a get_parent_ids() call to all our tree objects (at
> least, I think to all of them ;)).
> 
> This call returns:
> [] for a tree with unknown parents
> ['null:'] for a tree descending from null:
> [revid, ...] in general.
> 
> EmptyTree descends from ['null:'].
> RevisionTree mirrors the revision graph.
> WorkingTree provides the union of last_revision and pending merges.

This uses the new get_parent_ids code to tweak commit a little. This
will also make commit nicer for use with non-working trees.

-Rob
-- 
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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