[RFC] Strawman replacement local directory state

[John Arbash Meinel]

Wouter van Heyst wrote:
> On Wed, Jun 14, 2006 at 02:07:59AM +1000, Robert Collins wrote:
> <snip>
>> On the down side again, this does require diff and status to take a
>> working tree (only the working tree would be needed) write lock, because
>> they would be updating a file that add/rename/remove would also affect. 
> 
> This would only apply when a working tree is available, ie, diffing
> readonly branches still works?
> 
> Wouter van Heyst
> 
> 

It would have to be a different code path.
Robert is discussing adding a codepath to WorkingTree which allows it to
return the difference directly, since it is caching a decent way of
mapping base => current.

Because the entries are next to eachother, looking up something is
pretty easy.

John
=:->


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