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Date: Sun, 12 Oct 2025 13:32:02 +0300
Message-Id: <86o6qc4di5.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: Jens Thiele <karme@HIDDEN>
In-Reply-To: <87ldlgxyz7.fsf@HIDDEN> (message from Jens Thiele on Sun, 12
Oct 2025 11:15:24 +0200)
Subject: Re: bug#79582: archive-mode: opening squashfs nested in zip file
doesn't work
References: <87ikgsh5x2.fsf@HIDDEN> <86sefo4k17.fsf@HIDDEN>
<87o6qczeb6.fsf@HIDDEN> <87ldlgxyz7.fsf@HIDDEN>
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> From: Jens Thiele <karme@HIDDEN>
> Cc: 79582 <at> debbugs.gnu.org
> Date: Sun, 12 Oct 2025 11:15:24 +0200
>
> Jens Thiele <karme@HIDDEN> writes:
>
> > Eli Zaretskii <eliz@HIDDEN> writes:
> >
> >> Does the patch below fix it
> >
> > I only did a quick test monkey patching my old emacs, but this works.
> >
> >> if so, are there any left-overs after applying it?
> >
> > There remains a temporary file "test.zip:test.squashfs".
> > But I really should test with current master.
>
> with current master there remains:
>
> $ ls -l /tmp/archive.tmpajjwyy/tmp/test.zip\:test.squashfs
> -rw-rw-r-- 1 karme karme 4096 12. Okt 11:13 /tmp/archive.tmpajjwyy/tmp/test.zip:test.squashfs
Does the below fix it?
diff --git a/lisp/arc-mode.el b/lisp/arc-mode.el
index 66cb89c3342..3cd88dc0c9b 100644
--- a/lisp/arc-mode.el
+++ b/lisp/arc-mode.el
@@ -1012,7 +1012,7 @@ archive-delete-local
(while again
(setq name (directory-file-name (file-name-directory name)))
(condition-case nil
- (delete-directory name)
+ (delete-directory name t)
(error nil))
(if (string= name top) (setq again nil)))))
;; -------------------------------------------------------------------------
@@ -2454,6 +2454,18 @@ archive-squashfs-summarize
(setq file buffer-file-name))
(let ((copy (file-local-copy file))
(files ()))
+ ;; Similar to 'archive-maybe-copy'.
+ (unless (or (and copy (null file))
+ (file-readable-p file))
+ (setq archive-local-name
+ (archive-unique-fname (or file copy (buffer-name))
+ archive-tmpdir)
+ file archive-local-name)
+ (save-restriction
+ (widen)
+ (let ((coding-system-for-write 'no-conversion))
+ (write-region (point-min) (point-max)
+ archive-local-name nil 'nomessage))))
(with-temp-buffer
(call-process "unsquashfs" nil t nil "-ll" (or file copy))
(when copy
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
Full text available.Received: (at 79582) by debbugs.gnu.org; 12 Oct 2025 09:15:36 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Oct 12 05:15:36 2025 Received: from localhost ([127.0.0.1]:47754 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1v7sAy-0006gg-5Y for submit <at> debbugs.gnu.org; Sun, 12 Oct 2025 05:15:36 -0400 Received: from ipv62.karme.de ([2a01:4f8:221:943::2]:40394 helo=jupiter.karme.de) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <karme@HIDDEN>) id 1v7sAs-0006gP-UX for 79582 <at> debbugs.gnu.org; Sun, 12 Oct 2025 05:15:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=karme.de; s=exim; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References: Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=B0Xp1S34NmNUnWhz/KDV3vLEf/mRRZ8w0Eliw9UOrvs=; b=FLzaq48F6UhgPavYR4BvdGjWWE QICmtkaWdxr/LCkz9bdCmq4VrfwEMqS42Mbi3gI4ZziOVs2zaja0bla7adILrpMzzM6VpiiMWMigG jiXv/DFD8690dMFIK0pDft0n5L8WM2ztORb+d0jbKexnTIvwAyopKw7iuxueYYNLEqB3Mb/OxiSVl KgqgNUtSy391CgIAeqLbT7ewSZC544cm/tEfVhB9W6FeVLEorswK4quoiOAYjjQtt3GerCUxO2vCs XqDnKj9dobUDELC8ATfF2bbX5tkJPa+2xxOTnNsRErn0d7soHA6uYJvMfM3ZgKAGR0RRqAOdvfeAe 3Siiw2eA==; Received: from customer (localhost [127.0.0.1]) by jupiter.karme.de with esmtps id 1v7sAm-00D8qx-2K; Sun, 12 Oct 2025 11:15:24 +0200 Received: from karme by amalthea.fritz.box with local (Exim 4.96) (envelope-from <karme@HIDDEN>) id 1v7sAm-000Maj-19; Sun, 12 Oct 2025 11:15:24 +0200 From: Jens Thiele <karme@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#79582: archive-mode: opening squashfs nested in zip file doesn't work References: <87ikgsh5x2.fsf@HIDDEN> <86sefo4k17.fsf@HIDDEN> <87o6qczeb6.fsf@HIDDEN> Date: Sun, 12 Oct 2025 11:15:24 +0200 In-Reply-To: <87o6qczeb6.fsf@HIDDEN> (Jens Thiele's message of "Sun, 12 Oct 2025 10:58:53 +0200") Message-ID: <87ldlgxyz7.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-karme-de: auth ok X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 79582 Cc: 79582 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Jens Thiele <karme@HIDDEN> writes: > Eli Zaretskii <eliz@HIDDEN> writes: > >> Does the patch below fix it > > I only did a quick test monkey patching my old emacs, but this works. > >> if so, are there any left-overs after applying it? > > There remains a temporary file "test.zip:test.squashfs". > But I really should test with current master. with current master there remains: $ ls -l /tmp/archive.tmpajjwyy/tmp/test.zip\:test.squashfs -rw-rw-r-- 1 karme karme 4096 12. Okt 11:13 /tmp/archive.tmpajjwyy/tmp/test.zip:test.squashfs
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
Full text available.Received: (at 79582) by debbugs.gnu.org; 12 Oct 2025 08:59:10 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sun Oct 12 04:59:09 2025 Received: from localhost ([127.0.0.1]:47710 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1v7rv1-0005Fl-4D for submit <at> debbugs.gnu.org; Sun, 12 Oct 2025 04:59:09 -0400 Received: from ipv62.karme.de ([2a01:4f8:221:943::2]:54834 helo=jupiter.karme.de) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <karme@HIDDEN>) id 1v7ruv-0005DJ-4v for 79582 <at> debbugs.gnu.org; Sun, 12 Oct 2025 04:59:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=karme.de; s=exim; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References: Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=NUzvsFkD+1LIk8jS0Hxx0WwzVihEMIQehcQzU+9vHdI=; b=hA0iLH2BfVrSvWMb+NVAKr4jgw thQL41hzMGN3eZN4sQj8OVyzc4KFMXtBJFy3lYtPp7cnngdy1BbeqZuCoRe8Y/A/4ZVEDHQHR+HNZ l3l1B4WFRWcYwQ6jQS0GzGwaNHNg+aFfDr/G0swu2EDe3/YWqQhbD47+EWumLK99d07pCkpEKhKlA 6BqnELD+z1vyQSnjHHVkoxscrPZp8gqauvucCihCYvcN6DXSlY9CYOXLgpdwMLMCXvPIj6n1K56yT 0ZWUQTYAmVyhvMOw3rZ53+fQ3ZchpUI2FILUMabc5RALxriIaRNl2U6LQAvU/sbtOhlSmCBZiIhqI Q0Ld0pEw==; Received: from customer (localhost [127.0.0.1]) by jupiter.karme.de with esmtps id 1v7ruo-00D8H8-0k; Sun, 12 Oct 2025 10:58:54 +0200 Received: from karme by amalthea.fritz.box with local (Exim 4.96) (envelope-from <karme@HIDDEN>) id 1v7run-000MVc-2m; Sun, 12 Oct 2025 10:58:53 +0200 From: Jens Thiele <karme@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#79582: archive-mode: opening squashfs nested in zip file doesn't work References: <87ikgsh5x2.fsf@HIDDEN> <86sefo4k17.fsf@HIDDEN> Date: Sun, 12 Oct 2025 10:58:53 +0200 In-Reply-To: <86sefo4k17.fsf@HIDDEN> (Eli Zaretskii's message of "Sun, 12 Oct 2025 11:11:00 +0300") Message-ID: <87o6qczeb6.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-karme-de: auth ok X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 79582 Cc: 79582 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Eli Zaretskii <eliz@HIDDEN> writes: > Does the patch below fix it I only did a quick test monkey patching my old emacs, but this works. > if so, are there any left-overs after applying it? There remains a temporary file "test.zip:test.squashfs". But I really should test with current master.
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
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Date: Sun, 12 Oct 2025 11:11:00 +0300
Message-Id: <86sefo4k17.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: Jens Thiele <karme@HIDDEN>
In-Reply-To: <87ikgsh5x2.fsf@HIDDEN> (message from Jens Thiele on Mon, 06
Oct 2025 08:59:21 +0200)
Subject: Re: bug#79582: archive-mode: opening squashfs nested in zip file
doesn't work
References: <87ikgsh5x2.fsf@HIDDEN>
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> From: Jens Thiele <karme@HIDDEN>
> Date: Mon, 06 Oct 2025 08:59:21 +0200
>
> Maybe not really an important bug, but during testing for #79574 I found
> it:
>
> opening a squashfs file nested in a zip file produces an "File mode
> specification error".
>
> (note: opening zip in zip works, which is really nice - gvfs => tramp
> afaiu doesn't support that)
>
> Howto reproduce:
>
> I used a debian/sid chroot to test:
>
> $ sudo apt-get -y install emacs-nox squashfs-tools squashfs-tools-ng zip
> $ cd /tmp/ ; rm -rf s; mkdir s; cd s; echo hello world > hello;
> $ mksquashfs hello test.squashfs;
> # this works as expected:
> $ emacs -nw test.squashfs
> # create zip containing squashfs
> $ mkdir z; pushd z; cp ../test.squashfs .; zip -r ../test.zip .; popd
> $ emacs -nw test.zip
> # now try to open the test.squashfs within the test.zip
>
> I get:
>
> "File mode specification error: (search-failed [drwxl\-]\{10\})"
>
> attached the test.zip
Thanks for the recipe and the test file. Does the patch below fix it,
and if so, are there any left-overs after applying it?
diff --git a/lisp/arc-mode.el b/lisp/arc-mode.el
index 66cb89c3342..8957c4d2c15 100644
--- a/lisp/arc-mode.el
+++ b/lisp/arc-mode.el
@@ -2454,6 +2454,18 @@ archive-squashfs-summarize
(setq file buffer-file-name))
(let ((copy (file-local-copy file))
(files ()))
+ ;; Similar to 'archive-maybe-copy'.
+ (unless (or (and copy (null file))
+ (file-readable-p file))
+ (setq archive-local-name
+ (archive-unique-fname (or file copy (buffer-name))
+ archive-tmpdir)
+ file archive-local-name)
+ (save-restriction
+ (widen)
+ (let ((coding-system-for-write 'no-conversion))
+ (write-region (point-min) (point-max)
+ archive-local-name nil 'nomessage))))
(with-temp-buffer
(call-process "unsquashfs" nil t nil "-ll" (or file copy))
(when copy
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
Full text available.Received: (at 79582) by debbugs.gnu.org; 11 Oct 2025 13:39:30 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Oct 11 09:39:30 2025 Received: from localhost ([127.0.0.1]:45109 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1v7Zoj-0001nR-6i for submit <at> debbugs.gnu.org; Sat, 11 Oct 2025 09:39:29 -0400 Received: from ipv62.karme.de ([2a01:4f8:221:943::2]:33394 helo=jupiter.karme.de) by debbugs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.84_2) (envelope-from <karme@HIDDEN>) id 1v7ZoL-0001mQ-RJ for 79582 <at> debbugs.gnu.org; Sat, 11 Oct 2025 09:39:08 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=karme.de; s=exim; h=Content-Type:MIME-Version:Message-ID:In-Reply-To:Date:References: Subject:Cc:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=4HD0kS6optxPXQcBE69Zakip2yURh5Id2H7K18drG/w=; b=OSXtD+9tk8H+OmSFCyvLY+3755 0/jjv++8nV7ikOhURhCSx0Iznpx/B8wctqE5B8T1t+kSwfb64hLSr6kyvkHgfNlUPUD1wzSjb2/q7 eRAQ3VkD/Jy+bJEETCB3DKzd7g2xxFqgisZpas5Ijsg/uxEe3lDzPEC3b/6neWxI646XcL23paqKw lbcuSjOYEBz+MSKJEZ/rMnzKyImI7wL4049Gm67EB6Q2rBma7nMuKffwyb9yMWE/vzxZa1Dl62uiG lmnENH+gZHgiX/DvZqHPryYDOFh7/2bBbHTaKaJkZ9dhTwKiBIrpH4fv36ILId6jzD0e0mQejhWxS x3pN+3ng==; Received: from customer (localhost [127.0.0.1]) by jupiter.karme.de with esmtps id 1v7ZoC-00C24h-1M; Sat, 11 Oct 2025 15:38:52 +0200 Received: from karme by amalthea.fritz.box with local (Exim 4.96) (envelope-from <karme@HIDDEN>) id 1v7ZoB-000BkV-2w; Sat, 11 Oct 2025 15:38:51 +0200 From: Jens Thiele <karme@HIDDEN> To: Michael Albinus <michael.albinus@HIDDEN> Subject: Re: bug#79582: archive-mode: opening squashfs nested in zip file doesn't work References: <87ikgsh5x2.fsf@HIDDEN> <87a521v55e.fsf@HIDDEN> <87jz11siqo.fsf@HIDDEN> Date: Sat, 11 Oct 2025 15:38:51 +0200 In-Reply-To: <87jz11siqo.fsf@HIDDEN> (Michael Albinus's message of "Sat, 11 Oct 2025 14:52:47 +0200") Message-ID: <874is57e38.fsf@HIDDEN> MIME-Version: 1.0 Content-Type: text/plain X-karme-de: auth ok X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 79582 Cc: 79582 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) Michael Albinus <michael.albinus@HIDDEN> writes: > Michael Albinus <michael.albinus@HIDDEN> writes: > >>> Hi, > > Hi Jens, Hi, >>> (note: opening zip in zip works, which is really nice - gvfs => tramp >>> afaiu doesn't support that) >> >> Thanks for the heads-up! It ought to work until Emacs 27 (Tramp 2.4), >> but it is lost now. I'll check what's up. > > I've fixed this in tramp-archive.el. If you have, for example, a zip > file outer.zip, which contains another inner.zip, which contains a file > foo, you can access it via outer.zip/inner.zip/foo . cool - I didn't expect tramp would be able to do this. Thanks for looking into this! > Pushed to the repositories. still pulling... (somehow vcs2.savannah.gnu.org is slow?) > For the cascade zip => squashfs I cannot help. libarchive, the working > horse of tramp-archive.el, doesn't support squashfs. See > <https://github.com/libarchive/libarchive/issues/792>. > >>> Best regards >>> Jens > > Best regards, Michael. Thanks Jens
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
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content-type:date:from:message-id:mime-version:reply-to:subject: to; b=IjIvz0jg7ADWFrA8qFrbUyAbL06v+OpgyGGdpsU0vfLkcMwGG9ZUPxXvHHT2D1eq hiwjI5vV7eJRXWr7fSeWU9H1YUPxLz6Qxmv5GehOCUQystGfVkkEyn79tGxjKF1bk 6MHr3yQYEoNUvguiVK8GefER7bY+ierV/5vJxCuW0mhx+DRbyNXkKYnigUfICsm/I DxiwMqD0Vggq3GzR7HFCzDq8TvODNyIzrqSAlI97fhHjfnZzQO1jwRULwCqjap7oj I2DpC3Es301R9V4yZeVVt0VX1lS5eEzU/FW9Wed7isASkzjWqGezv19NCtmH4GSR1 8vnIlRkp8WJBVGvmhQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from gandalf.gmx.de ([185.89.37.61]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MnakR-1uR7OH16dZ-00oMn3; Sat, 11 Oct 2025 14:52:48 +0200 From: Michael Albinus <michael.albinus@HIDDEN> To: Jens Thiele <karme@HIDDEN> Subject: Re: bug#79582: archive-mode: opening squashfs nested in zip file doesn't work In-Reply-To: <87a521v55e.fsf@HIDDEN> References: <87ikgsh5x2.fsf@HIDDEN> <87a521v55e.fsf@HIDDEN> Date: Sat, 11 Oct 2025 14:52:47 +0200 Message-ID: <87jz11siqo.fsf@HIDDEN> User-Agent: 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<debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Michael Albinus <michael.albinus@HIDDEN> writes: >> Hi, Hi Jens, >> (note: opening zip in zip works, which is really nice - gvfs => tramp >> afaiu doesn't support that) > > Thanks for the heads-up! It ought to work until Emacs 27 (Tramp 2.4), > but it is lost now. I'll check what's up. I've fixed this in tramp-archive.el. If you have, for example, a zip file outer.zip, which contains another inner.zip, which contains a file foo, you can access it via outer.zip/inner.zip/foo . Pushed to the repositories. For the cascade zip => squashfs I cannot help. libarchive, the working horse of tramp-archive.el, doesn't support squashfs. See <https://github.com/libarchive/libarchive/issues/792>. >> Best regards >> Jens Best regards, Michael.
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
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List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.7 (-) Jens Thiele <karme@HIDDEN> writes: > Hi, Hi Jens, > (note: opening zip in zip works, which is really nice - gvfs => tramp > afaiu doesn't support that) Thanks for the heads-up! It ought to work until Emacs 27 (Tramp 2.4), but it is lost now. I'll check what's up. > Best regards > Jens Best regards, Michael.
bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
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From: Jens Thiele <karme@HIDDEN>
To: bug-gnu-emacs@HIDDEN
Subject: archive-mode: opening squashfs nested in zip file doesn't work
Date: Mon, 06 Oct 2025 08:59:21 +0200
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--=-=-=
Content-Type: text/plain
Hi,
Maybe not really an important bug, but during testing for #79574 I found
it:
opening a squashfs file nested in a zip file produces an "File mode
specification error".
(note: opening zip in zip works, which is really nice - gvfs => tramp
afaiu doesn't support that)
Howto reproduce:
I used a debian/sid chroot to test:
$ sudo apt-get -y install emacs-nox squashfs-tools squashfs-tools-ng zip
$ cd /tmp/ ; rm -rf s; mkdir s; cd s; echo hello world > hello;
$ mksquashfs hello test.squashfs;
# this works as expected:
$ emacs -nw test.squashfs
# create zip containing squashfs
$ mkdir z; pushd z; cp ../test.squashfs .; zip -r ../test.zip .; popd
$ emacs -nw test.zip
# now try to open the test.squashfs within the test.zip
I get:
"File mode specification error: (search-failed [drwxl\-]\{10\})"
attached the test.zip
Best regards
Jens
--=-=-=
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--=-=-=--
Jens Thiele <karme@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#79582; Package emacs.
Full text available.
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