From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from eggs.gnu.org ( [192.168.2.1]) by mugam.systemreboot.net (OpenSMTPD) with ESMTPS id 0cf899b9 (TLSv1.2:ECDHE-ECDSA-AES256-GCM-SHA384:256:NO); Thu, 23 Apr 2026 13:06:47 +0000 (UTC) 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 1wFtlU-0007Sl-4I; Thu, 23 Apr 2026 09:06:45 -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=0VgW7db5Du+o4FK7AOhY0BHWt4ZsXDdseZ0sAQocCEM=; b=fr6k2SjjmOTkWaZGNWAO 32/PolBpvbotTdNbdGoft8mazGFVv5nmjhfgc3FXgEQzCQ3YTaa8FrVWqP8EFPjcPCXS/dyGKy30g m05NUsH41fx1woHKm1SPs5kVgvaWgwsm+2Eb2At78VpVg2phtjVsPuAUjMuObs0UDW/KcGTnnvP1U X2PC/qP5Jnf6SsxxuAPOtGVpCRml5it37Abm7nZ75tSXtHbRIy8d6SJ4bAFdDe2zXjL0hqx8SiKjo gTzYCaxByvM/C31geYxMwmZ+qSoW95Cm+S7dWTKXoKeCKle40BKjTOR/g+YN1SttORmy4/IMxhPuT Qc1RjhP84sX0gQ==; From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Arun Isaac Cc: guix-science@gnu.org, ravanan@systemreboot.net Subject: Re: Guix, CWL, ravanan and reproducibility talk at UCL In-Reply-To: <87cxzrb6r5.fsf@systemreboot.net> (Arun Isaac's message of "Wed, 22 Apr 2026 11:59:26 +0100") References: <87cxzrb6r5.fsf@systemreboot.net> User-Agent: mu4e 1.14.0; emacs 30.2 X-URL: https://people.bordeaux.inria.fr/lcourtes/ X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu X-Revolutionary-Date: Quartidi 4 =?utf-8?Q?Flor=C3=A9al?= an 234 de la =?utf-8?Q?R=C3=A9volution=2C?= jour de =?utf-8?Q?l'Aub=C3=A9pine?= Date: Thu, 23 Apr 2026 14:59:50 +0200 Message-ID: <87v7dhvnll.fsf@gnu.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable List-Id: Hi Arun, Arun Isaac skribis: > I am a postdoc at University College London (UCL). I have been working > on ravanan[1] for a few years now. ravanan is a Common Workflow > Language (CWL) runner that uses Guix to provide strong reproducibility > guarantees and content-addressed caching. > > Yesterday, I gave a talk in my department at UCL on Guix, CWL, ravanan > and reproducibility. The slides are at > https://files.systemreboot.net/ucl-guix-ravanan-seminar.pdf That=E2=80=99s a very nice slide deck, thanks for sharing! I would encourage you to turn your talk in a post at and/or in a refereed paper. > To the bioinformaticians reading this, it may be of interest that we > ported pggb (the pangenome building pipeline) from the original bash > script to CWL. Links to the original and the port below: Do you have experience running existing CWL bioinfo pipelines =E2=80=9Cfrom= out there=E2=80=9D with ravanan? Thanks, Ludo=E2=80=99.