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[Python-Dev] Strange umask(?)/st_mode issue

Steve Dower steve.dower at python.org
Mon Apr 1 18:44:13 EDT 2019 
On 01Apr2019 1535, Cameron Simpson wrote:
> On 01Apr2019 09:12, Steve Dower <steve.dower at python.org> wrote:
>> On 30Mar2019 1130, Gregory P. Smith wrote:
>>> I wouldn't expect it to be the case in a CI environment but I believe 
>>> a umask can be overridden if the filesystem is mounted and configured 
>>> with acls set?  (oh, hah, Ivan just said the same thing)
>>
>> Yep, it appears this is the case. The Pipelines team got back to me 
>> and it seems to be a known issue - the workaround they gave me was to 
>> run "sudo setfacl -Rb /home/vsts" at the start, so I've merged that in 
>> for now (to master and 3.7).
> 
> Could that be done _without_ sudo to just the local directory containing 
> the test tar file? If that works then you don't need any nasty 
> privileged sudo use (which will just break on platforms without sudo 
> anyway).

I tried something similar to that and it didn't work. My guess is it's 
to do with the actual mount point? (I also tried without sudo at first, 
and when I didn't work, I tried it with sudo. I hear that's how to 
decide whether you need it or not ;) )

In any case, it only applies to the Azure Pipelines build definition, so 
there aren't any other platforms where it'll be used.

Cheers,
Steve
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