[MERGE] Exception when pulling from a location

[John Arbash Meinel]

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Aaron Bentley wrote:
...
>> I can understand that Transports should be able to recover from a
>> connection failure and try again later. I think it is silly to have a
>> command like "bzr push" do it.
> 
> If we were repeating the same operation and hoping for different
> results, I would agree.  But it's possible that attempting to open a
> branch at a URL would succeed where attempting to open a bundle at that
> URL would fail.
> 
> Aaron

So this is "could not connect" not "no such file". Or put another way
NoSuchHost versus NoSuchFile.

I think the chances that you would get a *connection* failure (not a
permission failure, not etc) and have it succeed the second time is very
rare.

Specifically at this point we *are* doing the same thing twice. Namely,
we are *connecting*.

John
=:->
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