GNU bug report logs - #28034
elixir build fails

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: nee <nee <at> cock.li>
To: bug-guix <at> gnu.org
Subject: elixir build fails
Date: Thu, 10 Aug 2017 02:00:23 +0200

Hello, elixir breaks during 'check' phase in
/test/logger/translator_test.exs

I'm getting the same logs locally.
https://hydra.gnu.org/build/2205382/nixlog/1/tail-reload

I don't know anything about elixir and just wanted to try it out.

Message #8 received at 28034 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: nee <nee <at> cock.li>
Cc: 28034 <at> debbugs.gnu.org, Pjotr Prins <pjotr2017 <at> thebird.nl>
Subject: Re: bug#28034: elixir build fails
Date: Tue, 22 Aug 2017 10:09:33 +0200

Hi,

nee <nee <at> cock.li> skribis:

> Hello, elixir breaks during 'check' phase in
> /test/logger/translator_test.exs
>
> I'm getting the same logs locally.
> https://hydra.gnu.org/build/2205382/nixlog/1/tail-reload
>
> I don't know anything about elixir and just wanted to try it out.

Pjotr: could you take a look at this issue?  :-)

Thanks,
Ludo’.

Message #11 received at 28034 <at> debbugs.gnu.org (full text, mbox):

From: Efraim Flashner <efraim <at> flashner.co.il>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: nee <nee <at> cock.li>, 28034 <at> debbugs.gnu.org,
 Pjotr Prins <pjotr2017 <at> thebird.nl>
Subject: Re: bug#28034: elixir build fails
Date: Tue, 22 Aug 2017 18:41:24 +0300

[Message part 1 (text/plain, inline)]

On Tue, Aug 22, 2017 at 10:09:33AM +0200, Ludovic Courtès wrote:
> Hi,
> 
> nee <nee <at> cock.li> skribis:
> 
> > Hello, elixir breaks during 'check' phase in
> > /test/logger/translator_test.exs
> >
> > I'm getting the same logs locally.
> > https://hydra.gnu.org/build/2205382/nixlog/1/tail-reload
> >
> > I don't know anything about elixir and just wanted to try it out.
> 
> Pjotr: could you take a look at this issue?  :-)
> 
> Thanks,
> Ludo’.
> 

Don't know how useful the confirmation is, but the same test fails on
aarch64 when building elixir against commit bd3a184613e20155a8b3e417f00f4d59ff0935e6

-- 
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Message #14 received at submit <at> debbugs.gnu.org (full text, mbox):

From: nee <nee <at> cock.li>
To: bug-guix <at> gnu.org
Cc: pjotr2017 <at> thebird.nl
Subject: Re: bug#28034: elixir build fails
Date: Sat, 2 Dec 2017 19:04:09 +0100

Hello, what is the current state for the elixir package?

I saw this issue on elixir's github page:
https://github.com/elixir-lang/elixir/issues/6586
Has there been any progress since then? From what I understand the build
fails because of impure test cases. Can we just disable these tests for
now to make it build again?

I wanted to see if I can install and package the phoenix web-server
framework and the pleroma federated social network, since both are
becoming pretty popular recently due to their low resource requirements.

I also think it's not good to have a broken package on master for so long.
The hydra web interface shows that version 1.4.2 used to build in the
past
https://hydra.gnu.org/job/gnu/master/elixir-1.4.2.x86_64-linux/all?page=2
and I only see one commit for this version in the past, so what did
change there?

Message #17 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Pjotr Prins <pjotr.public12 <at> thebird.nl>
To: nee <nee <at> cock.li>
Cc: bug-guix <at> gnu.org
Subject: Re: bug#28034: elixir build fails
Date: Sun, 3 Dec 2017 06:43:50 +0100

On Sat, Dec 02, 2017 at 07:04:09PM +0100, nee wrote:
> Hello, what is the current state for the elixir package?
> 
> I saw this issue on elixir's github page:
> https://github.com/elixir-lang/elixir/issues/6586
> Has there been any progress since then? From what I understand the build
> fails because of impure test cases. Can we just disable these tests for
> now to make it build again?

I am all for that. Not that many tests fail (in the order of 1%), but it is a
pain to disable them by hand. That is why I have not done an update in a while
- I am running a more recent version on my GUIX_PACKAGE_PATH with tests
disabled.

The simple way is to remove a number of test files. The majority of
tests will work and since Erlang's tests also work - there are a large
number of them (thousands). I would be fully confident the new package is fine.

> I wanted to see if I can install and package the phoenix web-server
> framework and the pleroma federated social network, since both are
> becoming pretty popular recently due to their low resource requirements.

That would be really cool. I would like support for Elixir packages. I
run a REST service and GraphQL is coming. I don't like to depend on Elixir's
packaging system, though it has been reasonably OK so far. It will break at
some point - as they all do. Elixir's packaging is similar to D's dub, so we can
take some cues from that. Elixir packages everything in the local source tree -
similar to Ruby's bundler.

> I also think it's not good to have a broken package on master for so long.
> The hydra web interface shows that version 1.4.2 used to build in the
> past
> https://hydra.gnu.org/job/gnu/master/elixir-1.4.2.x86_64-linux/all?page=2
> and I only see one commit for this version in the past, so what did
> change there?

Must be a dependency that changed. Hmmm. August 2nd.

  commit ee217402f7bf4b9fd49250650cf94d882a5e1a23
  Author: Peter Mikkelsen <petermikkelsen10 <at> gmail.com>
  Date:   Mon Jul 31 01:19:15 2017 +0200

      gnu: erlang: Update to 20.0.
      
      * gnu/packages/erlang.scm (erlang): Update to 20.0.
      
      Signed-off-by: Ludovic Courtès <ludo <at> gnu.org>

Must be it ;). It is great people are updating Erlang! These are great
programming languages.

I am happy to work on Elixir with you.

Pj.
-- 

Message #20 received at 28034 <at> debbugs.gnu.org (full text, mbox):

From: nee <nee <at> cock.li>
To: Pjotr Prins <pjotr.public12 <at> thebird.nl>
Cc: 28034 <at> debbugs.gnu.org
Subject: Re: bug#28034: elixir build fails
Date: Sun, 3 Dec 2017 15:48:56 +0100

[Message part 1 (text/plain, inline)]

Hello, thank you for the fast and detailed reply.
I made two patches that upgrade erlang and elixir and disable the
failing tests in elixir, and got it to build again.


I sometimes get this undeterministic compile error (see the attached
log). It's always the same error, but it doesn't appear every time, so I
can get a passing build running:

`until ./pre-inst-env guix build elixir; do sleep 1; done`

I don't think that it is related to the version upgrade because I also
got this with the old versions when I first tried to build it today.


While this still not good, it is at least an improvement over the
current state where the package will fail to install in 100% of cases.

[0001-gnu-erlang-Update-to-20.1.patch (text/x-patch, attachment)]

[0002-gnu-elixir-Update-to-1.5.2-and-disable-failing-tests.patch (text/x-patch, attachment)]

[elixir-epipe-error.log (text/x-log, attachment)]

Message #27 received at 28034-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: nee <nee <at> cock.li>
Cc: Pjotr Prins <pjotr.public12 <at> thebird.nl>, 28034-done <at> debbugs.gnu.org
Subject: Re: bug#28034: elixir build fails
Date: Mon, 04 Dec 2017 10:25:39 +0100

Hi nee,

nee <nee <at> cock.li> skribis:

> Hello, thank you for the fast and detailed reply.
> I made two patches that upgrade erlang and elixir and disable the
> failing tests in elixir, and got it to build again.

Great, I applied both patches and added a copyright line for you in
elixir.scm.

> I sometimes get this undeterministic compile error (see the attached
> log). It's always the same error, but it doesn't appear every time, so I
> can get a passing build running:
>
> `until ./pre-inst-env guix build elixir; do sleep 1; done`
>
> I don't think that it is related to the version upgrade because I also
> got this with the old versions when I first tried to build it today.

Could you report it upstream?  We definitely need their help to fix this
kind of issues.

> While this still not good, it is at least an improvement over the
> current state where the package will fail to install in 100% of cases.

Indeed, thanks!

Ludo’.

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