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Resent-From: Janneke Nieuwenhuizen Original-Sender: "Debbugs-submit" Resent-CC: guix-patches@gnu.org Resent-Date: Sun, 07 Apr 2024 14:07:03 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 70169 X-GNU-PR-Package: guix-patches X-GNU-PR-Keywords: patch To: "pelzflorian (Florian Pelz)" Cc: 70169@debbugs.gnu.org Received: via spool by 70169-submit@debbugs.gnu.org id=B70169.171249881822500 (code B ref 70169); Sun, 07 Apr 2024 14:07:03 +0000 Received: (at 70169) by debbugs.gnu.org; 7 Apr 2024 14:06:58 +0000 Received: from localhost ([127.0.0.1]:44256 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rtTAg-0005qq-7s for submit@debbugs.gnu.org; Sun, 07 Apr 2024 10:06:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44158) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rtTAc-0005pp-7Z for 70169@debbugs.gnu.org; Sun, 07 Apr 2024 10:06:56 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rtTAP-0007Uj-J9; Sun, 07 Apr 2024 10:06:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:Date:References:In-Reply-To:Subject:To: From; bh=N0Xj7QO/sm/zz/Iyg/lXf5cl7hxxsVyzTXN7VSRVm7c=; b=iufknZHMxPAoqs2FipiF SBuUdJAIGatYV2wbfxge3DcBpcBMe74kecPCOPWzAXSi2LADupA4+W5bKkPIWBbocy4faPU+f03LX qh4KFi10xp9U+2vpuRjtVw6H7PxFDhmCHEfkwaEaZxLwtWuwsblnvSiBdQPxmokkLVeBuFE+MerfM xfG8+zkXzK8aVn5yBJLcja51YibTAcGISS838f69gx1v4HQDdfzHSKWpY6DUmnra+IJu4o9Wplqsj n2tzQg41kjrpUfEKS1GniUKWNGyOupup3TrV/oP9ahY5A0R2hh6EjdLJBLSoVkDpKA5zERCQeeoSC NuiAlHAWSEpH0w==; From: Janneke Nieuwenhuizen In-Reply-To: <87sezxmg6y.fsf@pelzflorian.de> (pelzflorian@pelzflorian.de's message of "Sun, 07 Apr 2024 15:54:13 +0200") Organization: AvatarAcademy.nl References: <34915f43ed2e8b7ae99c3fe2fd65e7b97ff8f57b.1712437365.git.janneke@gnu.org> <87sezxmg6y.fsf@pelzflorian.de> X-Url: http://AvatarAcademy.nl Date: Sun, 07 Apr 2024 16:06:37 +0200 Message-ID: <87bk6li7wy.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: guix-patches-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-Spam-Score: -7.07 X-Migadu-Queue-Id: DB5A372335 X-Migadu-Spam-Score: -7.07 X-Migadu-Scanner: mx10.migadu.com X-TUID: kpZkWRtYXqWY pelzflorian (Florian Pelz) writes: Hello Florian, > Janneke Nieuwenhuizen writes: >> diff --git a/doc/local.mk b/doc/local.mk >> +SOURCE_DATE_EPOCH =3D $(shell git show HEAD --format=3D%ct --no-patch 2= >/dev/null || echo 0) >> +export SOURCE_DATE_EPOCH > > Do I interpret correctly that =E2=80=9Cecho 0=E2=80=9D is a fallback time= stamp? Yes. > Looking at the now gone instructions from =E2=80=9Cgit show > 83c60bb0622440afe98930820186ddfa1e6e8b2f=E2=80=9D, at that time, a timest= amp of > 1 was used for the tarball; I do not remember why. In > guix/scripts/pack.scm, 1 is used for squashfs and docker images. That's probably because of build dependencies. > Is 1 a better timestamp than 0? For files, using 1 is preferrable if it's not a source file. We use 1 for .go files, and 0 for .scm files, iirc. SOURCE_DATE_EPOCH is (only) used for the date in the document. Without git, 0 is as good a guess for a reproducible date for use in a document as any, I think. Greetings, Janneke --=20 Janneke Nieuwenhuizen | GNU LilyPond https://LilyPond.org Freelance IT https://www.JoyOfSource.com | Avatar=C2=AE https://AvatarAcade= my.com