bzr, rsync, and atomic operations

[John Arbash Meinel]

Matthieu Moy wrote:
> John Arbash Meinel <john at arbash-meinel.com> writes:
> 
> 
>>If we were using a "smart" rsync to do the pull, it would pull in the
>>opposite order (get .bzr/revision-history, then all files in
>>revision-store, then inventory.weave, then all text weaves).
>>Which would guarantee a consistent view, even without locking.
> 
> 
> So, it should get the remote history, then revision, then weaves, but
> then write locally in the opposite order.
> 

I do believe if you did it that way, then you would always be guaranteed
a consistent view of the branch.

I believe bzr branch/pull does it that way, by pulling everything into a
local temporary directory, and then copying them across in the correct
order.

John
=:->
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