From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <guix-devel-bounces+larch=yhetil.org@gnu.org>
Received: from mp12.migadu.com ([2001:41d0:8:6d80::])
	(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits))
	by ms5.migadu.com with LMTPS
	id eJt5IpZUs2ISXQAAbAwnHQ
	(envelope-from <guix-devel-bounces+larch=yhetil.org@gnu.org>)
	for <larch@yhetil.org>; Wed, 22 Jun 2022 19:42:46 +0200
Received: from aspmx1.migadu.com ([2001:41d0:8:6d80::])
	(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits))
	by mp12.migadu.com with LMTPS
	id aI82IpZUs2JBqgAAauVa8A
	(envelope-from <guix-devel-bounces+larch=yhetil.org@gnu.org>)
	for <larch@yhetil.org>; Wed, 22 Jun 2022 19:42:46 +0200
Received: from lists.gnu.org (lists.gnu.org [209.51.188.17])
	(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
	(No client certificate requested)
	by aspmx1.migadu.com (Postfix) with ESMTPS id 42ACC875C
	for <larch@yhetil.org>; Wed, 22 Jun 2022 19:42:46 +0200 (CEST)
Received: from localhost ([::1]:59054 helo=lists1p.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.90_1)
	(envelope-from <guix-devel-bounces+larch=yhetil.org@gnu.org>)
	id 1o44NJ-0006Ox-4V
	for larch@yhetil.org; Wed, 22 Jun 2022 13:42:45 -0400
Received: from eggs.gnu.org ([2001:470:142:3::10]:45860)
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <maxim.cournoyer@gmail.com>)
 id 1o44Mc-0006N6-Jm
 for guix-devel@gnu.org; Wed, 22 Jun 2022 13:42:02 -0400
Received: from mail-qv1-xf29.google.com ([2607:f8b0:4864:20::f29]:34609)
 by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)
 (Exim 4.90_1) (envelope-from <maxim.cournoyer@gmail.com>)
 id 1o44Ma-0002UL-4R; Wed, 22 Jun 2022 13:42:02 -0400
Received: by mail-qv1-xf29.google.com with SMTP id t16so21209393qvh.1;
 Wed, 22 Jun 2022 10:41:58 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112;
 h=from:to:cc:subject:in-reply-to:references:user-agent:date
 :message-id:mime-version:content-transfer-encoding;
 bh=IMuG/OjlEhnbYPnv4anjAK+EDKjCldXmb2D6OopfJvE=;
 b=QjP4TixO6/zRBd7VTQO4W4x5HdxnBzDekMyuut9Q5DNDAUwBV3VGkHBHBBbJ6MPRKE
 pFqc8UbMS1CQlvrNEd94FOEoF6CeCG3/avBxBT5zB6oVyhnkZ5ZoJ6fCdhTuoXKNxVIX
 La5Rd/GiVJg41wuqf5uYegVkD+mGnnEhrynjDglwj9BqraKTqWSAlO3Z/HSe5ZuCotM3
 idP1RlTt6EbrtENNo/qdEq0tfwhhwSP71AmEqc/8irTl7nEH3h9J/rMvMk7rvGrBOSOg
 OGbdLTU03FDa5UUvX0yR0Vjlwp7znRkwTMcsCHhRb050y4gIu9va0hJSzxtJD3uufijH
 tu1A==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20210112;
 h=x-gm-message-state:from:to:cc:subject:in-reply-to:references
 :user-agent:date:message-id:mime-version:content-transfer-encoding;
 bh=IMuG/OjlEhnbYPnv4anjAK+EDKjCldXmb2D6OopfJvE=;
 b=7zYWDoBfq2+bJWMVIFn+Y7ZEYrbkG6sNXr1fyYDC+qnFdQxNt2jxfCjJw0ftLQiRI0
 RuGX4ifzfiKhqXzxyqWsVLRDK0mMKMeTNCdTO5r74IG6PNpoqs0dL8wzOhYEkmkZWS62
 Sx5vdWeoqpoTh0ijssdNRoEGpnW5cuTL9JfkCnC3cXSfuiFH/P22mfvRYSgltke/345n
 H6Vlm/lUyh/yAfg2056oGtvUATeaMoZIJ6HNcu+ZfwG8K+aOmJcjmMhuQKxtk9LfQ9T6
 bjT3fMx6v8N/gqO5EybB6uRI67vmUUam+rLJX09sLH0RtScK7JUDXo8ooeUhOP6HvHFu
 NpsQ==
X-Gm-Message-State: AJIora+/ZFNlNcg4mS2mDl/Zr8tdo/BVvowUKxhijDdfG2vBlN41/el4
 SimGpTVInl1tntcB72SaQmbRv5mx73Vm1Q==
X-Google-Smtp-Source: AGRyM1viHISA4/pjwQijqUTYpmFR5Y34e6eEGdX9av2B7+Bf0Jx65/ip6682TvemPC4VHCxbU4IXOw==
X-Received: by 2002:ac8:5a4c:0:b0:307:c75d:f9c9 with SMTP id
 o12-20020ac85a4c000000b00307c75df9c9mr4112517qta.214.1655919717542; 
 Wed, 22 Jun 2022 10:41:57 -0700 (PDT)
Received: from hurd (dsl-10-141-244.b2b2c.ca. [72.10.141.244])
 by smtp.gmail.com with ESMTPSA id
 p13-20020a05622a048d00b00304dd83a9b1sm16579424qtx.82.2022.06.22.10.41.56
 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);
 Wed, 22 Jun 2022 10:41:57 -0700 (PDT)
From: Maxim Cournoyer <maxim.cournoyer@gmail.com>
To: Vagrant Cascadian <vagrant@reproducible-builds.org>
Cc: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@gnu.org>,  Guix Devel
 <guix-devel@gnu.org>
Subject: Re: Set FORCE_SOURCE_DATE=1 by default
In-Reply-To: <87edzgu402.fsf@contorta> (Vagrant Cascadian's message of "Wed,
 22 Jun 2022 08:11:57 -0700")
References: <87bkv0f52g.fsf@contorta> <87tu8d5ozo.fsf@gmail.com>
 <87v8stnsca.fsf@contorta> <875yks3iun.fsf@gnu.org>
 <87edzgu402.fsf@contorta>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux)
Date: Wed, 22 Jun 2022 13:41:55 -0400
Message-ID: <8735fw61ek.fsf@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Received-SPF: pass client-ip=2607:f8b0:4864:20::f29;
 envelope-from=maxim.cournoyer@gmail.com; helo=mail-qv1-xf29.google.com
X-Spam_score_int: -20
X-Spam_score: -2.1
X-Spam_bar: --
X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,
 DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,
 RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001,
 T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no
X-Spam_action: no action
X-BeenThere: guix-devel@gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Development of GNU Guix and the GNU System distribution."
 <guix-devel.gnu.org>
List-Unsubscribe: <https://lists.gnu.org/mailman/options/guix-devel>,
 <mailto:guix-devel-request@gnu.org?subject=unsubscribe>
List-Archive: <https://lists.gnu.org/archive/html/guix-devel>
List-Post: <mailto:guix-devel@gnu.org>
List-Help: <mailto:guix-devel-request@gnu.org?subject=help>
List-Subscribe: <https://lists.gnu.org/mailman/listinfo/guix-devel>,
 <mailto:guix-devel-request@gnu.org?subject=subscribe>
Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org
Sender: "Guix-devel" <guix-devel-bounces+larch=yhetil.org@gnu.org>
X-Migadu-Flow: FLOW_IN
X-Migadu-To: larch@yhetil.org
X-Migadu-Country: US
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org;
	s=key1; t=1655919766;
	h=from:from:sender:sender:reply-to:subject:subject:date:date:
	 message-id:message-id:to:to:cc:cc:mime-version:mime-version:
	 content-type:content-type:
	 content-transfer-encoding:content-transfer-encoding:
	 in-reply-to:in-reply-to:references:references:list-id:list-help:
	 list-unsubscribe:list-subscribe:list-post:dkim-signature;
	bh=IMuG/OjlEhnbYPnv4anjAK+EDKjCldXmb2D6OopfJvE=;
	b=H5mJPRLBJUc/P3QIY8Fynsu5JPtkYUWX/r+9Pe2Tzy/8XEEjteGUJ9xd7abCvZcy9knS89
	vUNleBy87eBFsWgYE1B7HCcRSdpx0k+EDFTwQu7M03tWRXvq1m3iViJcwHl8nalByzaj1T
	FCUbXLo05GMirZy0fuN2/R2+tWjLqOTnWgTJYYCSzdNqJj94Axc2Ux9XcvgEMTpdM68vi5
	cxt6IVEdgpi52STmY8pWFxm9jGWxKEMOv7DPKrQPX6Q92heMjC8RQWo3f0lxtRzanXD7EY
	uAF3GI2k0M+dd8hFjIoVdoPRc3yJCMqe+ZZrwhLFVglmMJq0rro+UZKK7ZsfFQ==
ARC-Seal: i=1; s=key1; d=yhetil.org; t=1655919766; a=rsa-sha256; cv=none;
	b=s2xzPsT0/YLKDLe3ifryCgLZogBrH91CJdorPRazTy+f/uJLyfPSK+41Mm5LAtyYgOX+qb
	Qd9pMpv3FWR16gxEP1ojRGOftpwJXB3j1hZPtAKizSCp62zG62jG7mhq7wiu1IJpO7EhRw
	U8BJ0X51bTIud/xaPHGdnEXeEepc4F1fzJXGJ4f1Td+N/8R+cP97B0ZVMIeEswQl/Cb5Dm
	CTcPRv1Jd6FyK+mOtN9vagIJtz9pB1WcAqPRYZK1D8/FMKPKNL1d8Xw6KWDK/+W7HeaUXx
	+CUFoQvLoKAqcIscD5alIe6GfcM/zO68uZQz5np4FdZ9+wGUYPRr1e9e/TgiFA==
ARC-Authentication-Results: i=1;
	aspmx1.migadu.com;
	dkim=pass header.d=gmail.com header.s=20210112 header.b=QjP4TixO;
	dmarc=pass (policy=none) header.from=gmail.com;
	spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org"
X-Migadu-Spam-Score: -8.96
Authentication-Results: aspmx1.migadu.com;
	dkim=pass header.d=gmail.com header.s=20210112 header.b=QjP4TixO;
	dmarc=pass (policy=none) header.from=gmail.com;
	spf=pass (aspmx1.migadu.com: domain of "guix-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="guix-devel-bounces+larch=yhetil.org@gnu.org"
X-Migadu-Queue-Id: 42ACC875C
X-Spam-Score: -8.96
X-Migadu-Scanner: scn0.migadu.com
X-TUID: L2nSfHFQjOjd

Hi Vagrant,

Vagrant Cascadian <vagrant@reproducible-builds.org> writes:

> On 2022-06-22, Ludovic Court=C3=A8s wrote:
>> Vagrant Cascadian <vagrant@reproducible-builds.org> skribis:
>>
>>> On 2022-06-21, Maxim Cournoyer wrote:
>>
>> [...]
>>
>>>> I'd much prefer challenging that stance than "endorsing" it in Guix :-=
).
>>>> I think it'd be OK to reluctantly add it in as a stop-gap fix in Guix,
>>>> but *only* after opening an issue to discuss it upstream and linking to
>>>> that issue in Guix.
>>>
>>> I get it. I really do. It kind of grates at me every time I think about
>>> this.
>>
>> :-)
>>
>> Another option would be to patch TeX Live, assuming the
>> FORCE_SOURCE_DATE bit is well isolated in a single file.  Would that
>> seem reasonable/feasible/desirable to you, Vagrant?
>
> Only problem I see is indefinitely maintaining a patch to TeX Live that
> upstream is unlikely to take ... but other than that, this sounds great!

I wouldn't expect this simple substitution should be too difficult to
maintain :-).

> We'd also get a clearer idea of which packages are affected, rather than
> setting it globally and rebuilding everything...

I don't think it's of critical importance; what we care about here is
having the software reproducible, not knowing exactly which esoteric
environment variable enabled it.

> I'll also try to dig up at least one of the threads where there was some
> discussion with upstream... hopefully without getting too caught up in
> that old rabbit hole.

That'd be nice.

Thanks!

Maxim