[Python-Dev] Mercurial?

Mon Apr 6 15:07:21 CEST 2009

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On Apr 6, 2009, at 7:55 AM, Michael Foord wrote:
> Gated checkins can work fine but can also have many problems. For 
> example if we have a spuriously failing test then if you are working 
> on an unrelated issue it will be entirely up to chance as to whether 
> you can checkin...
>> Building the docs would be another thing we could check, although it 
> can take a while.
>> If we have a queue then it could be the case that you do a commit - 
> and then discover half an hour later that it conflicts with 
> something that was ahead of you in the queue.

All very true. Where I've worked with gated branches, there are 
procedures for dealing with each of these issues. For a test suite 
like Python's which runs in a few minutes, I don't think some of the 
more extreme approaches are necessary (as opposed to a system where a 
full test run takes *hours*). On the whole though, it's a net win 
because you know the main tree is always good. This is especially 
useful around release time! But I guess it's up to Benjamin now to 
push for that :).
Barry
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