> On Jul 21, 2016, at 15:06, Michael Gottesman <mgottes...@apple.com> wrote:
> 
> 
>> On Jul 21, 2016, at 2:54 PM, Jordan Rose <jordan_r...@apple.com> wrote:
>> 
>> IIRC this was deliberate because of some past issues with things not getting 
>> rebuilt. In particular, even an incremental build should trash the module 
>> cache folder every build, and I don’t think we do this. Nicole, do you 
>> remember specifically why this was changed? (Or Mishal, when back from 
>> vacation?)
> 
> The problem IIRC actually had to do with cloning ninja without checking if we 
> had already checked it out. I updated the bots to do a check if the directory 
> exists before attempting to clone it.

Okay, but if we don’t trash the module cache folder every build, we’re going to 
see problems with apinotes.

Jordan

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