#40650 - guix test suite failures building Debian package

Package	Source(s)		Maintainer(s)
guix		PTS Buildd Popcon

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From: Vagrant Cascadian <vagrant@debian.org>
To: Ludovic Courtès <ludo@gnu.org>
Subject: Re: ‘scandir*’ test failure
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[Message part 1 (text/plain, inline)]

On 2020-04-18, Ludovic Courtès wrote:
> Vagrant Cascadian <vagrant@debian.org> skribis:
>
>> test-name: scandir*, properties
>> location: /build/guix-YPdZIs/guix-1.1.0/tests/syscalls.scm:257
>> source:
...
> Looking at this test, the only way ‘every’ could return #f is (1) if
> ‘lstat’ returns a different inode number, or (2) if ‘lstat’ returns a
> different file type than the one for ‘scandir*’.

My debian package builds are done using a overlay fs(with tmpfs on top,
and ext4 below), which might explain inode discrepancies... this sort of
thing is not uncommon in Debian package building environments.

If that's indeed triggering the issue, maybe it needs some sort of
workaround or a way to detect if it should skip the test?

> Unfortunately it’s hard to tell more without debugging interactively on
> the machine, adding ‘pk’ calls here and there to see.
>
> Can you reproduce this test failure in a simpler environment when
> interactive debugging is possible?

Yeah, I could build in a one-off chroot or virtual machine using a
"normal" filesystem.

live well,
  vagrant

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#40650 guix test suite failures building Debian package