[RFC] Knit format 2
aaron.bentley at utoronto.ca
Sun Sep 10 03:25:41 BST 2006
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John Arbash Meinel wrote:
> Aaron Bentley wrote:
> I think we just need to factor this sort of thing into a
> 'get_revision_trees' helper, which will do that sort of thing, and
> return sort of a 'best case' read size. I think you can stick with 500
> for now, because we aren't dealing with the freebsd ports tree (yet).
I don't recall a significant difference between 100 and 500 here, so
I've dropped it to 100.
> But if you are going to do any work, then having one that inspects the
> inventory size would be my preference.
Well, I don't want to get into too many side issues. Remember this is
already a side issue to nested-trees!
> Because you have the same if revision_id is None: revision_id = ...
> check in iter_rev_trees(). (You aren't reading the revision trees directly)
Doh! Sorry I didn't read your earlier comment carefully enough.
>> I see two options:
>> 1. Depend on the inventory format, not the repository format
> I would be okay with you doing it in lots of different ways. But it
> should probably still be a white-list style not blacklist. Because
> fileids_affected... is really a violation of api constraints.
Yes. It's a hack I'm not fond of. Anyhow, I've made it an attribute of
> We can't really change existing formats, because they are a disk
> representation, and older bzr clients would puke.
> We could upgrade our internals, and then in the next format start using
> trailing newlines. But the only way to tell that you can do that, is by
> having a flag in the format, and you might as well just have that flag
> be a '\n' at the end of the line. :)
Well, I'll take the easy way out for now. But I can easily imagine this
class of mistake being repeated.
I've attached my changes. If you prefer the complete diff, I can
provide that, too.
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