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

[Gregory P. Smith]

On Mon, Apr 1, 2019 at 4:49 PM Cameron Simpson <cs at cskk.id.au> wrote:

> 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?
>

I'm reading between the lines and assuming we're not the only user of their
CI complaining about this environment change. ;)
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