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Thu, 18 Aug 2022 08:00:29 -0700 (PDT) From: zimoun To: Ricardo Wurmus , Olivier Dion Cc: gwl-devel@gnu.org Subject: Re: GWL as a build-automation In-Reply-To: <87wndu415p.fsf@elephly.net> References: <871qw2ycnn.fsf@laura> <87wndu415p.fsf@elephly.net> Date: Thu, 18 Aug 2022 17:00:09 +0200 Message-ID: <86edxdbnra.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::42f; envelope-from=zimon.toutoune@gmail.com; helo=mail-wr1-x42f.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: gwl-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gwl-devel-bounces+larch=yhetil.org@gnu.org Sender: "gwl-devel" X-Migadu-Flow: FLOW_IN X-Migadu-To: larch@yhetil.org X-Migadu-Country: US ARC-Message-Signature: i=1; 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aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=TbRg7yfJ; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "gwl-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="gwl-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: -3.86 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=TbRg7yfJ; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of "gwl-devel-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="gwl-devel-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: ABAD23AD9F X-Spam-Score: -3.86 X-Migadu-Scanner: scn1.migadu.com X-TUID: dT2pmtqD6spg Hi, I am late to the party. :-) On Mon, 06 Jun 2022 at 10:50, Ricardo Wurmus wrote: > It is not entirely surprising to me that the GWL can express this, > because it has really simple abstractions: that of a process and that of > a workflow consisting of processes. [...] > Perhaps there is space for a different tool that takes lessons from the > GWL and Scsh alike, with a focus on command composition and shell > abstractions. Perhaps that tool already exists and is called Metabash: > > https://github.com/artyom-poptsov/metabash >From my understanding, metabash allows to remotely run processes, i.e., distribute the pipeline. Somehow, it could be see as an extension of Scsh. However, a pipeline is a linear sequence of processes. When a workflow is a DAG of processes. Therefore, it would appear difficult to me to be able to express a build-system using only pipelines. Last, it appears to me expected that GWL could be considered as a build-system. A scientific workflow system [1] (as GWL) is just a specialized implementation to deal with a graph of dependencies. Software folks speak about the venerable Make as build automation workflow, while bioinfo folks speak about a specific Python implementation SnakeMake as data analysis workflow. Just the same concepts but viewed by different communities. :-) If I might, an interesting analysis of different strategies for dealing with the graph of dependencies is done in the paper =C2=ABBuild systems =C3= =A0 la carte=C2=BB [2]. It presents the various abstractions using Haskell notations. 1: 2: Cheers, simon