bug#43843: closed (git-annex is not Reproducible)

[GNU bug Tracking System]

Your message dated Mon, 19 Oct 2020 00:11:30 +0200
with message-id <87sgabjib1.fsf@gnu.org>
and subject line Re: [PATCH] build-system/haskell: Disable parallel builds.
has caused the debbugs.gnu.org bug report #43843,
regarding git-annex is not Reproducible
to be marked as done.

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-- 
43843: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=43843
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> --- Begin Message ---
>
>
>
> Subject: 
>
> git-annex is not Reproducible
>
>
>
>
> Date: 
>
> Wed, 07 Oct 2020 12:35:51 +0200
>
>
>
>
> Dear,
>
> Using Guix 04a459a, the package ’git-annex’ is not reproducible:
>
>   guix build git-annex
>   guix build git-annex --no-grafts --check -K
>
> return:
>
> --8<---------------cut here---------------start------------->8---
> guix build: error: derivation 
> `/gnu/store/70qkv5hi5yq20m1h9jfm17m5lsc235mk-git-annex-8.20200908.drv' may not 
> be deterministic: output 
> `/gnu/store/cbrwrlwx6kg7l5q6ifl7q08icm17704g-git-annex-8.20200908' differs from 
> ‘/gnu/store/cbrwrlwx6kg7l5q6ifl7q08icm17704g-git-annex-8.20200908-check’
> --8<---------------cut here---------------end--------------->8---
>
> then:
>
> --8<---------------cut here---------------start------------->8---
> $ diff -r --no-dereference 
> /gnu/store/cbrwrlwx6kg7l5q6ifl7q08icm17704g-git-annex-8.20200908{,-check}
> Binary files 
> /gnu/store/cbrwrlwx6kg7l5q6ifl7q08icm17704g-git-annex-8.20200908/bin/git-annex 
> and 
> /gnu/store/cbrwrlwx6kg7l5q6ifl7q08icm17704g-git-annex-8.20200908-check/bin/git-annex
>  differ
> --8<---------------cut here---------------end--------------->8---
>
> Is it expected?  I have not tried ’diffoscope’ yet to investigate.
>
>
> Note that:
>
> <https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/git-annex.html>
>
> speaks about GCC patch… I do not know if it is relevant.
>
>
> All the best,
> simon
>
>
>
>
> --- End Message ---

--- Begin Message --- Subject: Re: [PATCH] build-system/haskell: Disable parallel builds. Date: Mon, 19 Oct 2020 00:11:30 +0200

zimoun <zimon.toutoune@gmail.com> writes:

> Fixes <https://bugs.gnu.org/43843>.
>
> PARALLEL-BUILD? introduced by commit 67cb9fa2357026ee42ec5bb0923ec4dc4a43abe2
> leads to unreproducibility.  Instead of reverting, default is set to #false
> which allows user to locally build with parallelism.
>
> * guix/build-system/haskell.scm (haskell-build): Turn off PARALLEL-BUILD? by
> default.

Thanks!  I shortened the comment a little and pushed to staging in
19d42e0e23a7f90ac2dcc1c279bd23a967ff0314.

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