From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mp2 ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by ms11 with LMTPS id KGZbKizr9l8saQAA0tVLHw (envelope-from ) for ; Thu, 07 Jan 2021 11:06:20 +0000 Received: from aspmx1.migadu.com ([2001:41d0:2:4a6f::]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) by mp2 with LMTPS id WOQzJizr9l/FUQAAB5/wlQ (envelope-from ) for ; Thu, 07 Jan 2021 11:06:20 +0000 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 227479402A2 for ; Thu, 7 Jan 2021 11:06:20 +0000 (UTC) Received: from localhost ([::1]:46780 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxT7T-00041y-4o for larch@yhetil.org; Thu, 07 Jan 2021 06:06:19 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:51300) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kxT7D-0003w2-3T for bug-guix@gnu.org; Thu, 07 Jan 2021 06:06:03 -0500 Received: from debbugs.gnu.org ([209.51.188.43]:35100) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kxT7C-0001e7-SY for bug-guix@gnu.org; Thu, 07 Jan 2021 06:06:02 -0500 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kxT7C-00074z-Ne for bug-guix@gnu.org; Thu, 07 Jan 2021 06:06:02 -0500 X-Loop: help-debbugs@gnu.org Subject: bug#45676: Store references inside compressed data Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Original-Sender: "Debbugs-submit" Resent-CC: bug-guix@gnu.org Resent-Date: Thu, 07 Jan 2021 11:06:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 45676 X-GNU-PR-Package: guix X-GNU-PR-Keywords: To: Miguel =?UTF-8?Q?=C3=81ngel?= Arruga Vivas Received: via spool by 45676-submit@debbugs.gnu.org id=B45676.161001754527182 (code B ref 45676); Thu, 07 Jan 2021 11:06:02 +0000 Received: (at 45676) by debbugs.gnu.org; 7 Jan 2021 11:05:45 +0000 Received: from localhost ([127.0.0.1]:46644 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kxT6u-00074M-Sf for submit@debbugs.gnu.org; Thu, 07 Jan 2021 06:05:45 -0500 Received: from eggs.gnu.org ([209.51.188.92]:58042) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kxT6u-000749-3g for 45676@debbugs.gnu.org; Thu, 07 Jan 2021 06:05:44 -0500 Received: from fencepost.gnu.org ([2001:470:142:3::e]:53646) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kxT6o-0001RR-1h; Thu, 07 Jan 2021 06:05:38 -0500 Received: from [2a01:e0a:1d:7270:af76:b9b:ca24:c465] (port=44290 helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1kxT6h-0001W1-Ov; Thu, 07 Jan 2021 06:05:33 -0500 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= References: <8735zf30yw.fsf@gmail.com> <87eeiymh6h.fsf@gnu.org> <87mtxm0zqw.fsf@gmail.com> X-URL: http://www.fdn.fr/~lcourtes/ X-Revolutionary-Date: 18 =?UTF-8?Q?Niv=C3=B4se?= an 229 de la =?UTF-8?Q?R=C3=A9volution?= 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: Thu, 07 Jan 2021 12:05:30 +0100 In-Reply-To: <87mtxm0zqw.fsf@gmail.com> ("Miguel =?UTF-8?Q?=C3=81ngel?= Arruga Vivas"'s message of "Wed, 06 Jan 2021 17:57:43 +0100") Message-ID: <871rexhurp.fsf@gnu.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) 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: bug-guix@gnu.org List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: 45676@debbugs.gnu.org Errors-To: bug-guix-bounces+larch=yhetil.org@gnu.org Sender: "bug-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-Spam-Score: -2.85 Authentication-Results: aspmx1.migadu.com; dkim=none; dmarc=pass (policy=none) header.from=gnu.org; spf=pass (aspmx1.migadu.com: domain of bug-guix-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=bug-guix-bounces@gnu.org X-Migadu-Queue-Id: 227479402A2 X-Spam-Score: -2.85 X-Migadu-Scanner: scn0.migadu.com X-TUID: MYksG7BDbtxr Howdy, Miguel =C3=81ngel Arruga Vivas skribis: > Ludovic Court=C3=A8s writes: > >> Hi, >> >> Leo Famulari skribis: >> >>> On Tue, Jan 05, 2021 at 03:36:07PM +0100, Miguel =C3=81ngel Arruga Viva= s wrote: >>>> There are several binary formats that allow compression of the >>>> executable image, or some of its data, which is decompress at runtime: >>>>=20 >>>> - Kernel images. >>>> - Compressed libraries: e.g. Smalltalk modules. >>>> - Compressed executable or data files: e.g. library.el.gz. >>>>=20 >>>> These aren't taken into account by the grafting process, which may lead >>>> to issues when store paths are located inside that kind of files. >>> >>> If you have specific instances of this type of bug, please report them. >> >> Agreed. The general issue is =E2=80=9Cwell known=E2=80=9D as we say, bu= t what I think >> we need to do is look for specific instances and address them. > > It can be tagged it notabug if you consider so. I've tagged it as > wishlist (I should have been done it before) for that reason (it's "well > known"), but I haven't found any specific instance yet. OTOH, I think > it might be closely related to #33848, as the solution for both issues > could be solved by the extension on the dumpPath code path---or the > Scheme implementation equivalent, as pointed there. Yes, though I=E2=80=99d prefer simple workarounds if possible=E2=80=94after= all, we=E2=80=99ve lived with it since the beginning and there=E2=80=99s only ever been a hand= ful of instances of that problem (one of them was really tricky, see =E2=80=98gcc-strmov-store-file-names.patch=E2=80=99=E2=80=A6). Ludo=E2=80=99.