[MERGE] Cache inventory.knit so we don't download it twice

[Robert Collins]

On Wed, 2006-07-19 at 12:54 -0500, John Arbash Meinel wrote:
> 
> Unfortunately because of how the content is walked, I believe we
> really
> *do* need to iterate in order.
> That iter_lines_added... has an api decision that we always walk the
> history in an explicit order. Otherwise when we annotate we can get
> different results. (If a line is repeated, it may match differently if
> history is sorted in a different order). 

iter_lines_added... was not meant to require a specific order.

I dont think its encoded in the api docs that it does a specific order.

-Rob
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