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[66.158.151.105]) by smtp.gmail.com with ESMTPSA id b20-20020ac86794000000b003b2957fb45bsm1337099qtp.8.2023.02.09.06.16.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Feb 2023 06:16:23 -0800 (PST) From: Maxim Cournoyer To: Ludovic =?utf-8?Q?Court=C3=A8s?= Cc: Christopher Baines , guix-devel@gnu.org Subject: Re: What's the state of (guix build download-nar)? References: <871qn2erqp.fsf@cbaines.net> <87o7q4zfr4.fsf@gnu.org> Date: Thu, 09 Feb 2023 09:16:22 -0500 In-Reply-To: <87o7q4zfr4.fsf@gnu.org> ("Ludovic =?utf-8?Q?Court=C3=A8s=22'?= =?utf-8?Q?s?= message of "Wed, 08 Feb 2023 10:08:15 +0100") Message-ID: <87a61mhqkp.fsf@gmail.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) 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::834; envelope-from=maxim.cournoyer@gmail.com; helo=mail-qt1-x834.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 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." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN ARC-Seal: i=1; s=key1; d=yhetil.org; t=1675952243; a=rsa-sha256; cv=none; b=j6XgCgI+tTdtML0GHPQ5g/DX7xS9YucerhbNUVnmEVTRWtefYg8T5VuQtJgTY8cd7YQiFO C7SdOfQJh1Vtk8FxUPMWPmRN4gUwc6T06lZ0Wx05ljVps9NGxQo5ucABI4Q6jvSaj7zEpG kzvDXdbt9e0hvmCiUOyBvueGtBDT+SN9PkBqBLSliqo2DjHlDFj4K2DJlkegBOjmBdWYDx 6ksJP5zkzdB8MSDdzXCDnZt6LCwr5jbWfHtI2rLbwxEaGkOHtPoa8Dqy9Acxu2aHUVNdiL C/f0UfJ8dd/9N2T+wKXZTK5ZsYkIaze/wl6UjlAj1qRLkMCy5E4NuM0d6Ar/Lw== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=QeNgCoex; 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" ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1675952243; 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=ZVzyNSFCMfvWN7eKMQcRMXLDvcPzDtIKOADjl/ylNUI=; b=j6VqaNLlzAaslW5TNC6drShOejWwvqJPxXUJl7exuy0HG3WIN+Qf5cNHUIzC6xkf3YoFmo g9chpriHdwxrW9mmMASjwggNWfPU71T5KpfwxRGqEdMqb2bdshMO3QYCk9ldduVbbo34x5 ky7/wNvoL4wIK4zMO9EEmz41JMHnSgT1+ZCSj7VHNBicXjxxYH/dZLNq7RzXMjNa9+ZlJS lB7cmFSquNjM0Dw2ag9RIk/f1pOVSVUjdvQUORasA3UgTnunSlnpC3Cy6U0czXk1ng2Zc7 Q5EREX5VpGvgBXxGmY+sKoU0k1Zv8LPWoSJT9QO+4+7bwEaABF/hE4xBIuXjdQ== Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=QeNgCoex; 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: -3.80 X-Spam-Score: -3.80 X-Migadu-Queue-Id: DFDDA3F644 X-Migadu-Scanner: scn1.migadu.com X-TUID: ca9SOYyN1G0t Hi, Ludovic Court=C3=A8s writes: > Hi Chris! > > Christopher Baines skribis: > >> I guess this raises two things in my mind. I'm not sure this'll work >> well given the not so recent changes to ci.guix.gnu.org. This module >> looks to rely on gzipped or uncompressed nars. I'm not sure uncompressed >> nars are available, and gzipped ones are no longer available. >> >> The second question is around the relation to bordeaux.guix.gnu.org, is >> it worth trying to support fetching nars from bordeaux.guix.gnu.org >> here, and what would be the best way of doing that? It wouldn't be too >> hard to add support for decomressed nars I think if that's a good >> approach? > > Uh, that module needs love indeed. > > Currently it=E2=80=99s used by some of the (guix VCS-download) modules. = I think > we should just update to (1) use lzip instead of gzip, and (2) have it > check ci.guix.gnu.org + bordeaux.guix.gnu.org. How about using zstd? I'm proposing it instead of lzip, because long term, I think we want to reduce the size of our storage requirements and offer a single compression type for our NARs, which zstd would be ideal (it's faster and compresses close enough to lzip). --=20 Thanks, Maxim