"bzr status" in a lightweight checkout

[John Arbash Meinel]

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Martin Pool wrote:
> On 10 August 2010 03:10, Eli Zaretskii <eliz at gnu.org> wrote:
>> In a lightweight checkout, is "bzr status" supposed to access the
>> remote repository?  Or do lightweight checkouts have enough
>> information locally to provide the status?
>>
>> I'm asking because someone complained on the Emacs development list
>> that their modem LED indicates traffic when they bootstrap Emacs.
>> Bootstrapping should not (AFAIK) do any bzr ops except "bzr status"
>> when they visit or save files in a versioned directory.
>>
>> If it turns out that "bzr status" needs to access the repository in
>> this case, we should probably fix Emacs to use some other technique to
>> report status of versioned files, or maybe not at all, because
>> accessing the network every time the user does an entirely local file
>> operation is not nice, to say the least.
> 
> It probably does need to access the repository if you have pending
> (uncommitted) merges, to show their revision data.  Otherwise, I don't
> think it should.  If it does, please get a traceback (eg by blocking
> access to the repository) and file a bug tagged {emacs performance}.
> 

It does because accessing a lightweight checkout dereferences is branch
pointer, which requires opening up the Branch which is remote (which
also opens up its Repository).

I mentioned this a while back. ISTR that Robert didn't like lazy Branch
objects because then they might be pointing to something invalid and you
wouldn't know about it.

John
=:->
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