From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 2FIEA8OlZmPW8AAAbAwnHQ (envelope-from ) for ; Sat, 05 Nov 2022 19:04:51 +0100 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 oMH6AsOlZmP+VwEAauVa8A (envelope-from ) for ; Sat, 05 Nov 2022 19:04:51 +0100 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 C93A12DA7A for ; Sat, 5 Nov 2022 19:04:50 +0100 (CET) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1orNX3-0005qt-2q; Sat, 05 Nov 2022 14:04:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1orNWz-0005qP-SB for guix-devel@gnu.org; Sat, 05 Nov 2022 14:04:33 -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 1orNWz-0005l2-Jo; Sat, 05 Nov 2022 14:04:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=/ChAQNVBHYZlHH+LBTepel48NnuzXVM8JQBEoIhBZag=; b=pDr/8vWGdY2II7tFTK5j As/EzTgtIJXzqHz7CemIUamDLjqXZq/pj2wSTKbSRbZCKRETWfCsX4viKt5A02MWFSr2/+/Frn3kC 8YFz54R/g5e92Di4lTwvOovskEOgDNhyvlhZKUratq/UO5/zCdiQ9t2LdCjYmsW2ilrcHy/pO50k+ NZnG03fKnX8F4hF75o3VMniVrwz2N1AF9Hr50YyH/QF3zzaoHSBOcpq3WWJY7K4UIMol4yu93yhAp uVp0Yp6kL1C9pUvS7zA1QJAiWglK3jUYo9W5+DxbPMq6jvdqWo6W9/QRcAxK40Ll6XQ2XPbcliSkU mfW2DNO1BLXSyw==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201] helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1orNWz-0000NI-13; Sat, 05 Nov 2022 14:04:33 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= To: Christopher Baines Cc: guix-devel@gnu.org Subject: Re: Reproducible Builds Summit 2022, nar support in diffoscope References: <87r0yhk8du.fsf@cbaines.net> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: Quintidi 15 Brumaire an 231 de la =?utf-8?Q?R=C3=A9v?= =?utf-8?Q?olution=2C?= jour du Dindon X-PGP-Key-ID: 0x090B11993D9AEBB5 X-PGP-Key: http://www.fdn.fr/~lcourtes/ludovic.asc X-PGP-Fingerprint: 3CE4 6455 8A84 FDC6 9DB4 0CFB 090B 1199 3D9A EBB5 X-OS: x86_64-pc-linux-gnu Date: Sat, 05 Nov 2022 19:04:31 +0100 In-Reply-To: <87r0yhk8du.fsf@cbaines.net> (Christopher Baines's message of "Sat, 05 Nov 2022 11:18:52 +0100") Message-ID: <874jvdjn0w.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable 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: , Sender: "Guix-devel" Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1667671490; 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=/ChAQNVBHYZlHH+LBTepel48NnuzXVM8JQBEoIhBZag=; b=cGt2eKRAHJSpsIn1OU81q71qPbIIs1L4db+xFwyXgKjUSaNgy1IWIK9uybswbnleewKPW3 xgdnibYGSMv24itVTSFD/HCcjg+1kCeIt4kJz+VZ0Yp2Uj5mlJgNtdIeqJWQvnZ067X1tp dEEerha4QCPKGrG8t0UJxmYJvuievajS6luim3MWERVPd425mQY/VPPaGlBHTQ1+h0Fh5z 2lXpVC5gds4Ofh+guA2Hb+aAUseAC6rYnRbWUXH8bsK9ZouC+K0YMfYijklZuYSEdL9uc+ kgYk7x84r8zYdivBqrdE7GWrrkPKium+fBM9AL0jAudgPs1SnxOHRzdFNuI3OA== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1667671490; a=rsa-sha256; cv=none; b=BM+W1ikllilujOszEDWyQ6nOkfjXzJtdEiTtADl7EKjsMZt5grQUXUcDFWRlIHn/+TIUdS dCg0gm9TbxRL4xh5+73PrZ1IfeDQMnTnRP8uWkMcx7fRdTITS7XazgvNr9LLruQn9ue0NS QvvybwPhwdiBDv7dzOlsePawidEiS3Xc4FouHsTfGrwHq8aJwJT+FUJwidEt/u1OBjAJfR cGH44s9h9CqzRUyKUDYSYAxZlsPBYT1aDtIa0mcK69nXN/AHpkkq7WUc6QctzyPWrkHPEt d7VdXSXlV7WbjuqGKciWfbNef8W3TPK836c4zd+h+jpfd7PMdao+JE93xQ07Mg== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b="pDr/8vWG"; dmarc=pass (policy=none) header.from=gnu.org; 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: -3.71 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gnu.org header.s=fencepost-gnu-org header.b="pDr/8vWG"; dmarc=pass (policy=none) header.from=gnu.org; 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: C93A12DA7A X-Spam-Score: -3.71 X-Migadu-Scanner: scn1.migadu.com X-TUID: p5tMJnBQKsxi Christopher Baines skribis: > One thing I forgot to tell Efraim about is that I got around to looking > at nar support in diffoscope. I know this isn't essential as you can > just unpack the nars, then compare (as I think guix challenge does), but > I've been thinking this could make it easier to compare nars. > > Anyway, as part of this I proposed adding lzip support, since nars can > be lzipped, that turned out to be quite easy: > > https://salsa.debian.org/reproducible-builds/diffoscope/-/merge_request= s/106 > > I'm finding nar support a bit harder though, I've raised a merge request > anyway to see if I can get any feedback: > > https://salsa.debian.org/reproducible-builds/diffoscope/-/merge_request= s/107 Nice! It=E2=80=99s good if that eventually allows =E2=80=98guix challenge= =E2=80=99 to delegate that to diffoscope. Ludo=E2=80=99.