Re: C-x v i bug

[Martin Geisler <mg@lazybytes.net>]

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Neal Becker <ndbecker2@gmail.com> writes:

> Dan Nicolaescu wrote:
>
>> Neal Becker <ndbecker2@gmail.com> writes:
>> 
>>   > Dan Nicolaescu wrote:
>>   > 
>>   > > Neal Becker <ndbecker2@gmail.com> writes:
>>   > > 
>>   > >   > hg status test_front_end_spec.py
>>   > >   > *** failed to import extension rdiff: No module named 
> rdiff
>>   > >   > ? test_front_end_spec.py
>>   > >   > 
>>   > >   > The above warning confuses emacs.  C-x v i report 'already
>>   > >   > registered'.
>>   > > 
>>   > > Indeed, vc-hg-status parses the result of "hg status
>>   > > test_front_end_spec.py"
>>   > > 
>>   > > Is there are way to tell hg to ignore .hgrc ?  I.E. something 
> like
>>   > emacs
>>   > > -q ?
>>   > > 
>>   > >   > After I fixed the above warning (removed rdiff from my 
> .hgrc),
>>   > then
>>   > >   > C-x v i worked correctly.
>>   > 
>>   > HGRCPATH= hg showconfig
>> 
>> So should we run HGRCPATH= hg status by default in vc-hg-state?
>> 
>> If yes, where else should we do it?
>
> Crossposting to mercurial devel.  Anyone have suggestions?  My gut 
> reaction is to say always use HGRCPATH='', but not really sure.

That will indeed turn off customizations in ~/.hgrc. But the user will
also lose the ui.username setting which might not be what you want when
you make a commit :-)

Brodie Rao has been working on an a patch that will allow you to set
HGPLAIN to make Mercurial revert to 'plain' behavior:

  http://bitbucket.org/brodie/mercurial-crew-mq/src/tip/script-mode

It will disable localization and reset verbose mode.

However, it will not help you here: the user has mis-configured
Mercurial by asking it to load an extension that does not exist. The
warning will still be issued with Brodie's HGPLAIN patch.

I think the best solution is to teach your mode to ignore these warnings
From Mercurial.

-- 
Martin Geisler

VIFF (Virtual Ideal Functionality Framework) brings easy and efficient
SMPC (Secure Multiparty Computation) to Python. See: http://viff.dk/.

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