GNU bug report logs - #48933
[PATCH] build: Make outputs of node-build-system reproducible.

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Message #11 received at 48933 <at> debbugs.gnu.org (full text, mbox):

From: Lars-Dominik Braun <lars <at> 6xq.net>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 48933 <at> debbugs.gnu.org, jlicht <at> fsfe.org
Subject: Re: bug#48933: [PATCH] build: Make outputs of node-build-system
 reproducible.
Date: Thu, 17 Jun 2021 14:12:18 +0200

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

Hi Ludo,

> >  (define* (repack #:key inputs #:allow-other-keys)
> > -  (invoke "tar" "-czf" "../package.tgz" ".")
> > +  (invoke "tar"
> > +          ;; Add options suggested by https://reproducible-builds.org/docs/archives/
*
> > +          "--sort=name"
> > +          (string-append "--mtime=" (getenv "SOURCE_DATE_EPOCH"))
> 
> I think it should be "--mtime=@".
you’re right, fixed.

> I didn’t know about this ‘--pax-option’ trick; since it’s only useful
> when POSIXLY_CORRECT is set, perhaps we can remove it?
True, removed.

> (guix docker) does this:
> and (guix packages) does something similar.
Hm, maybe it would make sense to export a set of options, so
build systems/packages can share them? Or create a package that wraps
tar with the proper options?

> So ‘--sort=name’ seems to be missing.
It’s present, see above ↑*

Updated patch attached. I’ll push it if there are no further comments.

Cheers,
Lars

[0001-build-Make-outputs-of-node-build-system-reproducible.patch (text/x-diff, attachment)]

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