[MERGE] Create a SearchResult for memoising graph searches
robertc at robertcollins.net
Thu Jan 17 21:44:49 GMT 2008
On Thu, 2008-01-17 at 13:40 -0600, John Arbash Meinel wrote:
> > - # XXX: This seems valid, is there a reason to actually
> create a
> > - # repository and put things in it?
> ^- The one reason I found to actually creating a repository is that it
> enforces the DAG shape. With a plain dictionary it is very easy to
> a node which creates a cycle, which then does odd things in the tests.
> I don't think it is enough to make us want to spend the time
> revisions, though. So I'm happy enough to have it pulled out.
> If we are going to get rid of it here, we should probably get rid of
> "prepare_memory_tree" and "build_ancestry" helpers, since I don't
> they are used anymore.
I agree; that patch has a small bug - it does not handle 'stop...' for
null: in a full-branch pull of bzr, I think this is almost certainly a
ghost related issue and I'm just whipping up a test for it. I'll delete
those helpers at the same time.
If we want to enforce the DAG shape; the helper can do that (do a topo
sort - that will find loops).
GPG key available at: <http://www.robertcollins.net/keys.txt>.
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