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

[Cameron Simpson]

On 01Apr2019 15:44, Steve Dower <steve.dower at python.org> wrote:
>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.

Ok then.

Curious: is the sudo now in the build setup? I'm just thinking that this 
isn't a tarfile specific fix but a "get correct POSIX umask semantics" 
fix, so it should apply to the entire environment.

Or am I naive?

Cheers,
Cameron Simpson <cs at cskk.id.au>