Received: (at 65902) by debbugs.gnu.org; 14 Sep 2023 14:58:17 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Sep 14 10:58:17 2023 Received: from localhost ([127.0.0.1]:40853 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgnnN-00031B-11 for submit <at> debbugs.gnu.org; Thu, 14 Sep 2023 10:58:17 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59884) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgnnL-00030w-Hv for 65902 <at> debbugs.gnu.org; Thu, 14 Sep 2023 10:58:16 -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 <eliz@HIDDEN>) id 1qgnnA-0004ZC-25; Thu, 14 Sep 2023 10:58:04 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=Wc20DFnnCU4rTRQ366Z7A0qrDFE37wEa1IHFpXN5E1E=; b=mujmOzUM2ZWh qa5HwlJRzDvCGbdqYSk12NTDLvu/2g5oMttIiDZWXT3IJoUn5UNshUY39twUR+qO3cMF813XVRjv5 vl9LabWzJEAXDX2tTQGG+LdzowUbwX4zD70vNtJkWrk2PWJmxf7J7k01wAJKo+vpIS4vrVX+w7jVe aRPcpDbTwVEpYHh1JCWcEcAZRaFLUAm9sYM7d5K0yOeTd6F1aaXNLn2h1UVin61XVQ3w8EDMB/cRU WOE7woo3pvcpKHBno/Tt5Y+wzd9saTeMC77iL3UhIpJo2STDhxZDMQq6Hw00bhTMeJKp3LmX9fjwN 4G++Zqs35FBpjORpoPjoVg==; Date: Thu, 14 Sep 2023 17:57:52 +0300 Message-Id: <83led8ls3z.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Spencer Baugh <sbaugh@HIDDEN> In-Reply-To: <80d8aeb0-c9f1-410f-b83d-60f83ca5b3af@HIDDEN> (message from Spencer Baugh on Thu, 14 Sep 2023 14:48:14 +0000 (UTC)) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <80d8aeb0-c9f1-410f-b83d-60f83ca5b3af@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <at> debbugs.gnu.org, sbaugh@HIDDEN, jporterbugs@HIDDEN 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: -3.3 (---) > Date: Thu, 14 Sep 2023 14:48:14 +0000 (UTC) > From: Spencer Baugh <sbaugh@HIDDEN> > Cc: Spencer Baugh <sbaugh@HIDDEN>, jporterbugs@HIDDEN, > 65902 <at> debbugs.gnu.org > > Okay, if I do this without making modifications to emacsclient.c or the server protocol, would that be > more acceptable? The approach I described in another email, with server-eval-args-left, all it adds is > a new variable. I cannot find the description of that approach. What did it say?
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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Date: Thu, 14 Sep 2023 14:48:14 +0000 (UTC)
Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to
complicated escaping
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Content preview: On Sep 14, 2023 10:31, Eli Zaretskii <eliz@HIDDEN> wrote:
> From: Spencer Baugh <sbaugh@HIDDEN> > Cc: sbaugh@HIDDEN,
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65902 <at> debbugs.gnu.org > Date: Thu, 14 Sep 2023 10:04:48 -0400 > > Eli Zaretskii
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Content preview: On Sep 14, 2023 10:31, Eli Zaretskii <eliz@HIDDEN> wrote:
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bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 14 Sep 2023 14:31:57 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Sep 14 10:31:57 2023 Received: from localhost ([127.0.0.1]:40763 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgnNs-0002Ep-J2 for submit <at> debbugs.gnu.org; Thu, 14 Sep 2023 10:31:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47314) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgnNr-0002Ec-2V for 65902 <at> debbugs.gnu.org; Thu, 14 Sep 2023 10:31:56 -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 <eliz@HIDDEN>) id 1qgnNf-0007UI-5o; Thu, 14 Sep 2023 10:31:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=8wOmVQfDiz5idwfBZgJ8AnZOuMBBZUq5xKd+iPNFJ6E=; b=juMt/HHuXlpN jlAytLpntPrVv8FZVFuZr+xhD5xqPMoQqbqs5gIrhguJVL4uhx4bLgfIRRXX8JVewOvDiJF/hut29 HEdD6rPiiWHdTyZwktxDxP0zLBhB3whL1GFsT6S6n6Qk72GgudiuOfNIfTZ98j/aiAHzoEuas465M X7Xbvbne4fLR002mvlA9n4ON0hLLhCF9CfKOTpTOtcsgoe64vWcxc0mytGb9OhZ+HFZ0pDuk2wj44 2kNyOs06xCYgb0G0n9WoL7/GTvQU5+iilEq4cB3FVQb0Qlqb/VfyXtd7xaJraxVl+NwE2dgv0Dat3 8DBztjrkOvvkam6LC0VA9A==; Date: Thu, 14 Sep 2023 17:31:28 +0300 Message-Id: <83o7i4ltbz.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Spencer Baugh <sbaugh@HIDDEN> In-Reply-To: <iermsxoam0v.fsf@HIDDEN> (message from Spencer Baugh on Thu, 14 Sep 2023 10:04:48 -0400) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> <83edj1mja5.fsf@HIDDEN> <87il8dt3sh.fsf@HIDDEN> <83pm2klvw9.fsf@HIDDEN> <iermsxoam0v.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <at> debbugs.gnu.org, sbaugh@HIDDEN, jporterbugs@HIDDEN 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: -3.3 (---) > From: Spencer Baugh <sbaugh@HIDDEN> > Cc: sbaugh@HIDDEN, jporterbugs@HIDDEN, 65902 <at> debbugs.gnu.org > Date: Thu, 14 Sep 2023 10:04:48 -0400 > > Eli Zaretskii <eliz@HIDDEN> writes: > > > What you are doing is representing a rare problem related to a niche > > feature is if it were a general one, by inventing use cases to justify > > that. But if those use cases were important, people would have asked > > for them long ago. They didn't. Why? because --eval already exists. > > No... these are real use cases that I personally have. I have really > wanted this for a long time. As I said in my original email, "I expect > this to also be useful in other places; the need to escape arbitrary > inputs before passing them to emacsclient is frequently annoying." Maybe it's annoying, but it can be done. And Emacs has the same feature, btw. > > Emacs developers make mistakes even in the simple regexps we have in > > our code. That doesn't mean we should abandon regexps. The solution > > for sending Lisp forms to the server exists, and the quoting, although > > tricky in some cases, is not rocket science to get right. > > I think this (the current contents of emacsclient-mail.desktop): > sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec > emacsclient --alternate-editor= --display=\\"\\$DISPLAY\\" --eval > \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u > > is in fact rocket science, and rocket science that needs to be repeated > by every user who wants to pass arbitrary strings to Emacs. We disagree. > And keep in mind this mass of escaping *is currently broken*. Patches to fix it are welcome, although as I said I'd be quite glad to remove these desktop files from our repository. > > That's an illusion. There's nothing simple about it. You are > > inventing a new mechanism for passing Lisp forms as something other > > than Lisp. > > But I don't want to pass Lisp forms, that's the entire point. I have > some arbitrary string which is *not* Lisp, and I want Emacs to *not* > parse it as Lisp. It becomes Lisp when the server executes the request. > > $ emacsclient --apply func arg1 'foo arg2 'bar > > > > Escape-quoting, here we come again! > > That example works fine with --apply. The call becomes: > (func "arg1" "'foo" "arg2" "'bar") > which is reliable and expected. > > Maybe you're referring to how, if you run that command through a shell, > the shell interprets the single quotes as creating a string? Of course, I am! > But that's that's a separate issue, because: > > - I don't plan to run any of my commands using --apply through a shell > (which means they will require zero escaping or quoting whatsoever) This feature, if it will be added, is not just for you, it's for everyone. And emacsclient is a shell command, so invoking it from the shell is both natural and frequently used. > - Right now with --eval you have to do escaping for both the shell and > Lisp. With --apply you only have to do escaping for the shell, if you > do use a shell, and if you don't use a shell you don't have to do > anything. But we do that for Emacs, and do it quite a lot. > I think it is simpler to reduce the amount of quoting and escaping from > "both Lisp and shell" to "just shell, and not even that if you don't use > a shell". At what cost? The cost of adding yet another protocol for passing Lisp forms to the server is just too high for my palate. Bottom line: the escaping issue doesn't seem to me a reason strong enough to justify adding such a new feature.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 14 Sep 2023 14:05:03 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Sep 14 10:05:03 2023 Received: from localhost ([127.0.0.1]:40684 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgmxr-0007KJ-1Q for submit <at> debbugs.gnu.org; Thu, 14 Sep 2023 10:05:03 -0400 Received: from mxout5.mail.janestreet.com ([64.215.233.18]:58635) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <sbaugh@HIDDEN>) id 1qgmxo-0007Jk-3M for 65902 <at> debbugs.gnu.org; Thu, 14 Sep 2023 10:05:01 -0400 From: Spencer Baugh <sbaugh@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping In-Reply-To: <83pm2klvw9.fsf@HIDDEN> (Eli Zaretskii's message of "Thu, 14 Sep 2023 16:36:06 +0300") References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> <83edj1mja5.fsf@HIDDEN> <87il8dt3sh.fsf@HIDDEN> <83pm2klvw9.fsf@HIDDEN> Date: Thu, 14 Sep 2023 10:04:48 -0400 Message-ID: <iermsxoam0v.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 65902 Cc: 65902 <at> debbugs.gnu.org, sbaugh@HIDDEN, jporterbugs@HIDDEN 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: >> From: sbaugh@HIDDEN >> Date: Thu, 14 Sep 2023 11:03:44 +0000 (UTC) >> Cc: Jim Porter <jporterbugs@HIDDEN>, 65902 <at> debbugs.gnu.org, >> sbaugh@HIDDEN >> >> The issue is not really with the desktop file. It's a generic problem: > > No, it isn't. If it were, we'd have heard about it much sooner, and > not because of the desktop files. > > What you are doing is representing a rare problem related to a niche > feature is if it were a general one, by inventing use cases to justify > that. But if those use cases were important, people would have asked > for them long ago. They didn't. Why? because --eval already exists. No... these are real use cases that I personally have. I have really wanted this for a long time. As I said in my original email, "I expect this to also be useful in other places; the need to escape arbitrary inputs before passing them to emacsclient is frequently annoying." - I've wanted the ability to pass arbitrary data to Emacs through emacsclient since at least 2016, for other reasons: https://lists.gnu.org/archive/html/emacs-devel/2016-06/msg00051.html - The fact that there is currently advice in org-protocol to implement this behavior means there are people who want it. I'm sure the org-protocol authors really wanted to be able to avoid that advice, back when they developed it in 2009. They didn't bother contributing a solution upstream back then, but why stop it from happening now? - It would allow lazy loading of org-protocol as desired by the org devs https://list.orgmode.org/strc07$3o0$1@HIDDEN - I'm working on a package which allows using Emacs to do completing-read over arbitrary strings passed in from the command line, as a replacement for the popular terminal software fzf. Since this is completion over arbitrary strings, I need the ability to get those arbitrary strings into Emacs. - There are numerous examples on the web of users trying and failing to get the quoting right to pass arguments to emacsclient; for example https://www.reddit.com/r/emacs/comments/hhbcg7/emacsclient_eval_with_command_line_arguments/ this would become emacsclient --apply switch-to-buffer https://stackoverflow.com/questions/8848819/emacs-eval-ediff-1-2-how-to-put-this-line-in-to-shell-script this would become emacsclient --apply ediff No shell complexities required in either case. >> > What about alternative solutions: use a shell script in the desktop >> > files, and delegate to that script to solve the problem with quoting? >> > Had anyone considered this strategy? If not, why not? >> >> Getting the quoting right is hard and complex, and even Emacs developers >> have failed at it over multiple iterations, and when they fail it either >> breaks or exposes a security vulnerability. > > Emacs developers make mistakes even in the simple regexps we have in > our code. That doesn't mean we should abandon regexps. The solution > for sending Lisp forms to the server exists, and the quoting, although > tricky in some cases, is not rocket science to get right. I think this (the current contents of emacsclient-mail.desktop): sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --display=\\"\\$DISPLAY\\" --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u is in fact rocket science, and rocket science that needs to be repeated by every user who wants to pass arbitrary strings to Emacs. And keep in mind this mass of escaping *is currently broken*. > I don't see > why we would need another mechanism to do something similar with > radically different syntax, a separate set of rules and restrictions > that need to be documented, etc. etc. > >> This solution is far simpler > > That's an illusion. There's nothing simple about it. You are > inventing a new mechanism for passing Lisp forms as something other > than Lisp. But I don't want to pass Lisp forms, that's the entire point. I have some arbitrary string which is *not* Lisp, and I want Emacs to *not* parse it as Lisp. > This has got to have issues into which we will bump sooner > or later. E.g., assume that two or more of the arguments to the > function begins with single quote, as in > > $ emacsclient --apply func arg1 'foo arg2 'bar > > Escape-quoting, here we come again! That example works fine with --apply. The call becomes: (func "arg1" "'foo" "arg2" "'bar") which is reliable and expected. Maybe you're referring to how, if you run that command through a shell, the shell interprets the single quotes as creating a string? But that's that's a separate issue, because: - I don't plan to run any of my commands using --apply through a shell (which means they will require zero escaping or quoting whatsoever) - Right now with --eval you have to do escaping for both the shell and Lisp. With --apply you only have to do escaping for the shell, if you do use a shell, and if you don't use a shell you don't have to do anything. I think it is simpler to reduce the amount of quoting and escaping from "both Lisp and shell" to "just shell, and not even that if you don't use a shell".
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 14 Sep 2023 13:36:56 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Sep 14 09:36:56 2023 Received: from localhost ([127.0.0.1]:37993 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgmWe-0005uT-7l for submit <at> debbugs.gnu.org; Thu, 14 Sep 2023 09:36:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:39564) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgmWZ-0005uD-Dz for 65902 <at> debbugs.gnu.org; Thu, 14 Sep 2023 09:36:55 -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 <eliz@HIDDEN>) id 1qgmWM-0004fY-Kd; Thu, 14 Sep 2023 09:36:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=EGvyrUjSTL0VHyHjQfsOuXbdgAfq6ILkvKI9VD9Iqyo=; b=qCsv8WDMCxEI xGX6riJrQ+2jzdoT5zR1pwzW5ZIQLF7TZ5Npyqn8c7eBWCXZJd0Bb19Dx/3R4ebxdr5rQRlq5zPpr trwb0DbKQXVWutLflnCBaGPTpFgq5lk7zawSor+tkgKsjFjquLwsoRMG/ZnudkCV8rz6tFWAxS5cj 2pK2bRTOjg2zpcLS/VeA7tt1HSmQPCg6sGQ8a/811Ns56c1jMUKynHEqt4kzbAXHxNJ21WsNbJ3/p SSCGlK6/4mVh3At8+pgfPkwNH2pu22mS5uIK//rBJPGR9tAjHccTj0kvO+KSs1E7rX8PYH7FqusBd 4jCc/iOrUo//4QI/LadEVQ==; Date: Thu, 14 Sep 2023 16:36:06 +0300 Message-Id: <83pm2klvw9.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: sbaugh@HIDDEN In-Reply-To: <87il8dt3sh.fsf@HIDDEN> (sbaugh@HIDDEN) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> <83edj1mja5.fsf@HIDDEN> <87il8dt3sh.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: jporterbugs@HIDDEN, sbaugh@HIDDEN, 65902 <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: -3.3 (---) > From: sbaugh@HIDDEN > Date: Thu, 14 Sep 2023 11:03:44 +0000 (UTC) > Cc: Jim Porter <jporterbugs@HIDDEN>, 65902 <at> debbugs.gnu.org, > sbaugh@HIDDEN > > The issue is not really with the desktop file. It's a generic problem: No, it isn't. If it were, we'd have heard about it much sooner, and not because of the desktop files. What you are doing is representing a rare problem related to a niche feature is if it were a general one, by inventing use cases to justify that. But if those use cases were important, people would have asked for them long ago. They didn't. Why? because --eval already exists. > > What about alternative solutions: use a shell script in the desktop > > files, and delegate to that script to solve the problem with quoting? > > Had anyone considered this strategy? If not, why not? > > Getting the quoting right is hard and complex, and even Emacs developers > have failed at it over multiple iterations, and when they fail it either > breaks or exposes a security vulnerability. Emacs developers make mistakes even in the simple regexps we have in our code. That doesn't mean we should abandon regexps. The solution for sending Lisp forms to the server exists, and the quoting, although tricky in some cases, is not rocket science to get right. I don't see why we would need another mechanism to do something similar with radically different syntax, a separate set of rules and restrictions that need to be documented, etc. etc. > This solution is far simpler That's an illusion. There's nothing simple about it. You are inventing a new mechanism for passing Lisp forms as something other than Lisp. This has got to have issues into which we will bump sooner or later. E.g., assume that two or more of the arguments to the function begins with single quote, as in $ emacsclient --apply func arg1 'foo arg2 'bar Escape-quoting, here we come again!
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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From: sbaugh@HIDDEN
Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to
complicated escaping
In-Reply-To: <87il8dt3sh.fsf@HIDDEN> (sbaugh@HIDDEN's message of "Thu,
14 Sep 2023 11:03:44 +0000 (UTC)")
References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN>
<83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN>
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Content preview: Here's a revised patch which drops adding the argument to
Emacs itself; it only adds an argument to emacsclient. From
d4558462598eaa33466b3b2fb1dbcc26ea877ede
Mon Sep 17 00:00:00 2001 From: Spencer Baugh <sbaugh@HIDDEN> Date: Thu,
14 Sep 2023 07:12:22 -0400 Subject: [PATCH] Add --apply argument to emacsclien
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--=-=-=
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Here's a revised patch which drops adding the argument to Emacs itself;
it only adds an argument to emacsclient.
--=-=-=
Content-Type: text/x-patch
Content-Disposition: inline;
filename=0001-Add-apply-argument-to-emacsclient-to-avoid-escaping.patch
From d4558462598eaa33466b3b2fb1dbcc26ea877ede Mon Sep 17 00:00:00 2001
From: Spencer Baugh <sbaugh@HIDDEN>
Date: Thu, 14 Sep 2023 07:12:22 -0400
Subject: [PATCH] Add --apply argument to emacsclient to avoid escaping
Passing arguments to functions through emacsclient --eval requires
complicated escaping (as seen in emacsclient-mail.desktop before this
change).
The new --apply argument for emacsclient passes command line arguments
as uninterpreted strings to the specified function. This simplifies
use cases where arbitrary input needs to be passed to Emacs.
org-protocol will be able to use this as well, which will allow it to
eventually drop its current advice on server-visit-files.
* etc/emacsclient-mail.desktop: Use --apply. (bug#65902)
* lib-src/emacsclient.c (longopts, decode_options, main): Add support
for --apply.
* lisp/server.el (server-apply-and-print): Add.
(server-process-filter): Add support for -apply and -applyargs
---
etc/emacsclient-mail.desktop | 7 ++-----
lib-src/emacsclient.c | 36 ++++++++++++++++++++++++++++++++++--
lisp/server.el | 34 ++++++++++++++++++++++++++++++++++
3 files changed, 70 insertions(+), 7 deletions(-)
diff --git a/etc/emacsclient-mail.desktop b/etc/emacsclient-mail.desktop
index 0a2420ddead..ea0690bacd9 100644
--- a/etc/emacsclient-mail.desktop
+++ b/etc/emacsclient-mail.desktop
@@ -1,10 +1,7 @@
[Desktop Entry]
Categories=Network;Email;
Comment=GNU Emacs is an extensible, customizable text editor - and more
-# We want to pass the following commands to the shell wrapper:
-# u=$(echo "$1" | sed 's/[\"]/\\&/g'); exec emacsclient --alternate-editor= --display="$DISPLAY" --eval "(message-mailto \"$u\")"
-# Special chars '"', '$', and '\' must be escaped as '\\"', '\\$', and '\\\\'.
-Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --display=\\"\\$DISPLAY\\" --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u
+Exec=emacsclient --alternate-editor= --apply message-mailto -- %u
Icon=emacs
Name=Emacs (Mail, Client)
MimeType=x-scheme-handler/mailto;
@@ -16,7 +13,7 @@ Actions=new-window;new-instance;
[Desktop Action new-window]
Name=New Window
-Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --create-frame --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u
+Exec=emacsclient --alternate-editor= --create-frame --apply message-mailto -- %u
[Desktop Action new-instance]
Name=New Instance
diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 698bf9b50ae..159c22d1ae9 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -116,6 +116,9 @@ #define DEFAULT_TIMEOUT (30)
/* True means args are expressions to be evaluated. --eval. */
static bool eval;
+/* The function to call. Other arguments are passed as strings. --apply. */
+static char *apply;
+
/* True means open a new frame. --create-frame etc. */
static bool create_frame;
@@ -169,6 +172,7 @@ #define DEFAULT_TIMEOUT (30)
{ "quiet", no_argument, NULL, 'q' },
{ "suppress-output", no_argument, NULL, 'u' },
{ "eval", no_argument, NULL, 'e' },
+ { "apply", required_argument, NULL, 'y' },
{ "help", no_argument, NULL, 'H' },
{ "version", no_argument, NULL, 'V' },
{ "tty", no_argument, NULL, 't' },
@@ -552,6 +556,10 @@ decode_options (int argc, char **argv)
eval = true;
break;
+ case 'y':
+ apply = optarg;
+ break;
+
case 'q':
quiet = true;
break;
@@ -690,6 +698,7 @@ print_help_and_exit (void)
-F ALIST, --frame-parameters=ALIST\n\
Set the parameters of a new frame\n\
-e, --eval Evaluate the FILE arguments as ELisp expressions\n\
+-y, --apply FUNC Call ELisp FUNC, passing all FILE arguments as strings\n\
-n, --no-wait Don't wait for the server to return\n\
-w, --timeout=SECONDS Seconds to wait before timing out\n\
-q, --quiet Don't display messages on success\n\
@@ -1953,7 +1962,7 @@ main (int argc, char **argv)
/* Process options. */
decode_options (argc, argv);
- if (! (optind < argc || eval || create_frame))
+ if (! (optind < argc || eval || apply || create_frame))
{
message (true, ("%s: file name or argument required\n"
"Try '%s --help' for more information\n"),
@@ -1961,6 +1970,14 @@ main (int argc, char **argv)
exit (EXIT_FAILURE);
}
+ if (eval && apply)
+ {
+ message (true, ("%s: can't pass both --eval and --apply\n"
+ "Try '%s --help' for more information\n"),
+ progname, progname);
+ exit (EXIT_FAILURE);
+ }
+
#ifdef SOCKETS_IN_FILE_SYSTEM
if (tty)
{
@@ -2080,6 +2097,13 @@ main (int argc, char **argv)
send_to_emacs (emacs_socket, " ");
continue;
}
+ else if (apply)
+ {
+ send_to_emacs (emacs_socket, "-applyarg ");
+ quote_argument (emacs_socket, argv[i]);
+ send_to_emacs (emacs_socket, " ");
+ continue;
+ }
char *p = argv[i];
if (*p == '+')
@@ -2136,10 +2160,18 @@ main (int argc, char **argv)
send_to_emacs (emacs_socket, " ");
}
+ if (apply)
+ {
+ send_to_emacs (emacs_socket, "-apply ");
+ quote_argument (emacs_socket, apply);
+ send_to_emacs (emacs_socket, " ");
+ }
+
+
send_to_emacs (emacs_socket, "\n");
/* Wait for an answer. */
- if (!eval && !tty && !nowait && !quiet && 0 <= process_grouping ())
+ if (!eval && !apply && !tty && !nowait && !quiet && 0 <= process_grouping ())
{
printf ("Waiting for Emacs...");
skiplf = false;
diff --git a/lisp/server.el b/lisp/server.el
index c3325e5a24c..5981e90625d 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -873,6 +873,17 @@ server-eval-and-print
(point-min) (point-max))))
(server-reply-print (server-quote-arg text) proc)))))))
+(defun server-apply-and-print (func args proc)
+ "Call FUNC on ARGS and send the result back to client PROC."
+ (let ((v (with-local-quit (eval (apply (intern func) args) t))))
+ (when proc
+ (with-temp-buffer
+ (let ((standard-output (current-buffer)))
+ (pp v)
+ (let ((text (buffer-substring-no-properties
+ (point-min) (point-max))))
+ (server-reply-print (server-quote-arg text) proc)))))))
+
(defconst server-msg-size 1024
"Maximum size of a message sent to a client.")
@@ -1196,6 +1207,7 @@ server-process-filter
tty-type ; string.
files
filepos
+ applyargs
args-left)
;; Remove this line from STRING.
(setq string (substring string (match-end 0)))
@@ -1323,6 +1335,28 @@ server-process-filter
commands)
(setq filepos nil)))
+ ;; -apply FUNC: Call a function on arguments.
+ ("-apply"
+ (if use-current-frame
+ (setq use-current-frame 'always))
+ (let ((func (pop args-left)))
+ (if coding-system
+ (setq func (decode-coding-string func coding-system)))
+ (push (lambda () (server-apply-and-print func applyargs proc))
+ commands)
+ (setq applyargs nil)
+ (setq filepos nil)))
+
+ ;; -applyarg ARG: Add an argument for later -apply.
+ ("-applyarg"
+ (if use-current-frame
+ (setq use-current-frame 'always))
+ (let ((arg (pop args-left)))
+ (if coding-system
+ (setq arg (decode-coding-string arg coding-system)))
+ (push arg applyargs)
+ (setq filepos nil)))
+
;; -env NAME=VALUE: An environment variable.
("-env"
(let ((var (pop args-left)))
--
2.41.0
--=-=-=--
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 14 Sep 2023 11:04:04 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Sep 14 07:04:04 2023 Received: from localhost ([127.0.0.1]:37802 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgk8e-0005Dv-Ho for submit <at> debbugs.gnu.org; Thu, 14 Sep 2023 07:04:04 -0400 Received: from s.wfbtzhsw.outbound-mail.sendgrid.net ([159.183.224.105]:58788) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <bounces+21787432-39fe-65902=debbugs.gnu.org@HIDDEN>) id 1qgk8b-0005Dg-1y for 65902 <at> debbugs.gnu.org; Thu, 14 Sep 2023 07:03:59 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=catern.com; h=from:subject:in-reply-to:references:mime-version:to:cc:content-type: content-transfer-encoding:cc:content-type:from:subject:to; s=s1; bh=MMnER4WM7dnXJgyHkY+X3lFDYF0U24d2qdrXMdVSwtY=; b=ukLZIifqYcfpG1kXwCW456QXkubEJcKhU5QgSDfSZ5fXFyS40x8YOVs2u7YOKJoMvfk4 0xy3MKu3s+1ZuCs1TkdYc2owkSl3a7Da9gGm6984stBXL6BYGZjBLQrHkaQ+Hax9N5SPxJ xPLPei98bsvld5TYmmwiyxtJwy5/QL2bHKk4rJoEpyNXu11dAbtBqlyonPj1XC8CDBLveG butM2P5CCzQ6nrA09K6DymlhgRNdBie0uPLfjkH+BfdnMhpYWTx7iPH6pK94Im3ypCyAFn ks9b9zTl2VqNP1lEsBkW5bsX6BSPok0rvWwA8Th/cR1kqxuSCj4xsOlEUXVYBBEw== Received: by filterdrecv-84b96456cb-zd4xh with SMTP id filterdrecv-84b96456cb-zd4xh-1-6502E890-A 2023-09-14 11:03:44.135318015 +0000 UTC m=+10927530.760105120 Received: from earth.catern.com (unknown) by geopod-ismtpd-22 (SG) with ESMTP id 2nl0BncCS_m_-Lgammhxgw Thu, 14 Sep 2023 11:03:43.397 +0000 (UTC) X-Comment: SPF check N/A for local connections - client-ip=::1; helo=localhost; envelope-from=sbaugh@HIDDEN; receiver=gnu.org Received: from localhost (localhost [IPv6:::1]) by earth.catern.com (Postfix) with ESMTPSA id 4966765674; Thu, 14 Sep 2023 07:03:42 -0400 (EDT) From: sbaugh@HIDDEN Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping In-Reply-To: <83edj1mja5.fsf@HIDDEN> (Eli Zaretskii's message of "Thu, 14 Sep 2023 08:10:58 +0300") References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> <83edj1mja5.fsf@HIDDEN> Date: Thu, 14 Sep 2023 11:03:44 +0000 (UTC) Message-ID: <87il8dt3sh.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 X-SG-EID: =?us-ascii?Q?ZgbRq7gjGrt0q=2FPjvxk7wM0yQFRdOkTJAtEbkjCkHbIOnyHASvNJhhaui0lq+6?= =?us-ascii?Q?SDln5iM21jX0qMLrjCdMDzaMx3kRWoX454Ec+ZB?= =?us-ascii?Q?IgTEvQv++Cw7ZGLOUVByNR93IR+9CTHrZfiX00b?= =?us-ascii?Q?QtUSzKNiP0Ha5qT12trxFRvSADc3HaddLNBtnJ+?= =?us-ascii?Q?vdMkAEn5=2FnQddynAW9msIx0HiGUk85SHJzw=3D=3D?= To: Eli Zaretskii <eliz@HIDDEN> X-Entity-ID: d/0VcHixlS0t7iB1YKCv4Q== Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 65902 Cc: Jim Porter <jporterbugs@HIDDEN>, sbaugh@HIDDEN, 65902 <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: >> Date: Wed, 13 Sep 2023 12:33:01 -0700 >> Cc: sbaugh@HIDDEN, 65902 <at> debbugs.gnu.org >> From: Jim Porter <jporterbugs@HIDDEN> >> >> On 9/13/2023 12:13 PM, Eli Zaretskii wrote: >> > And I don't understand why we need to add any options to Emacs itself, >> > btw. The suggestion to have some "symmetry" here was one of the >> > reasons that discussion got nowhere. So let's learn from that >> > mistake, at least. >> >> There's a practical benefit to this. If you have $EDITOR set in your >> environment to something like "emacsclient --alternate-editor=emacs", >> then it would be nice if you could say this: >> >> $EDITOR --apply some-func arg1 arg2 >> >> and have it do the same thing whether or not there was already an Emacs >> server running. The symmetry between the two commands (plus proper >> argument forwarding) would make that work. >> >> However, if people can't agree, then we could probably drop that part. >> To me, it sounds like people *do* agree that this would be good to have >> though. > > People might agree, but I don't. Please consider the perspective. > This started as an obscure and rare problem in a desktop file (which > we provided solely out of good will, since it really isn't our job to > do so, it's the job of downstream distros). The proposed solution was > to add a completely new option to emacsclient, with its own special > syntax and rules about what can and cannot be done with it. This is > already something that should raise brows: how can such an unimportant > reason cause us to make such significant changes? We didn't yet > finish discussing that nor even had time to understand all the > implications (remember: Lars suggested to support several such > options, which required another special option), and we already are > told that "for symmetry" we should add the same to Emacs. All that > where just yesterday there was no need for any new options in either, > and if we decided to drop those desktop files from our sources (which > I personally am tempted to do every few weeks, due to issues they > cause us all the time since their introduction), then even the > original need will miraculously disappear into thin air. The issue is not really with the desktop file. It's a generic problem: Suppose I have some arbitrary data which I want to send to the Emacs server (in this case, a URI). Today, there's no easy way to do that. - One approach is to stick the data inside an --eval call, as emacsclient-mail.desktop is doing. Getting the quoting right is hard and complex, and even Emacs developers have failed at it over multiple iterations, and when they fail it either breaks or exposes a security vulnerability. It is currently broken for me. - Another approach is to do what org-protocol does (shipped with Emacs!), and advise server-visit-files (with org-protocol-check-filename-for-protocol), and pass the data as a string FILE argument to emacsclient which gets intercepted by advice. But this is of course a gross hack, and also it still requires escaping the data, since some characters will still be specially interpreted. It would be nice to get rid of this org-protocol hack which is shipped with Emacs. - A third approach is to put the data in a temporary file and pass the path of that file to emacsclient, then use an --eval to process the file. But this doesn't work when emacsclient and the Emacs server are on different hosts or in different environments. - Finally, a fourth approach is to teach emacsclient to be able to send this arbitrary data to Emacs on its own. Such as by adding --apply. There are a bunch of designs for that, but all of them require modifying emacsclient. I have many times before wanted to be able to pass data to Emacs without worrying about escaping. This would be a very useful feature to have. And it would be nice to get rid of the org-protocol hack, and get rid of the complicated and broken escaping needed for things like emacsclient-mail.desktop. > So this is a classic case of the tail wagging the dog. > > What about alternative solutions: use a shell script in the desktop > files, and delegate to that script to solve the problem with quoting? > Had anyone considered this strategy? If not, why not? Getting the quoting right is hard and complex, and even Emacs developers have failed at it over multiple iterations, and when they fail it either breaks or exposes a security vulnerability. This solution is far simpler, and is reusable for many other different purposes. > I would in general prefer not to add any new options to our programs > due to this weak reason. Once again: it is not our job to get these > desktop files right in every single downstream environment, so let's > not make it our problem, certainly not a problem we should solve using > such non-trivial solutions. We don't have to add it to Emacs itself. But it's not just for the desktop files. It's a relatively small feature to add to emacsclient, and it's something that I've heard years of user requests for. I have many times before wanted to be able to pass data to Emacs without worrying about escaping. This would be a very useful feature to have. It would be nice to get rid of the org-protocol hack, and get rid of the complicated and broken escaping needed for things like emacsclient-mail.desktop.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 14 Sep 2023 05:11:32 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Sep 14 01:11:32 2023 Received: from localhost ([127.0.0.1]:36500 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgedW-0000qA-6T for submit <at> debbugs.gnu.org; Thu, 14 Sep 2023 01:11:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:36462) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgedU-0000pq-TW for 65902 <at> debbugs.gnu.org; Thu, 14 Sep 2023 01:11:29 -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 <eliz@HIDDEN>) id 1qgedH-0001El-EY; Thu, 14 Sep 2023 01:11:16 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=sR6oLOlMwRREl5GogAaCuJ2oalJ5PZ6d995/rbK0DAY=; b=Cr8ukZZJPNCo Ti/pNe+nkyUrKpSUlQhNfpJJdAh3zIUBATlNzZMHIkesFcx3K51j6twHFpXjiQeGsIA9ETSlrty5i L4Mc79Dj8jODRqPZMF5xVxw/tLOfwqoY33ftiPyNS65lEPO/ysMI6Rfbit8UjynneHMei/bFrDPj7 wqYyzfgobyYQXd4JdHFSo24TSOnKNZfaEJky34zIfCcF56ytZLQ+AO5+jt86p52M91NxfC4Cu/ZL/ CbnNfNSQE7fUS9rsTYMxEt+t4yupH3rvth6RVQCy5rEiXMiNojNqBi7iKS8aGGLrFOyaxAzkfSMJT v0HXYrUGwa02yL6Fwi0mWQ==; Date: Thu, 14 Sep 2023 08:10:58 +0300 Message-Id: <83edj1mja5.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Jim Porter <jporterbugs@HIDDEN> In-Reply-To: <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> (message from Jim Porter on Wed, 13 Sep 2023 12:33:01 -0700) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <at> debbugs.gnu.org, sbaugh@HIDDEN, sbaugh@HIDDEN 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: -3.3 (---) > Date: Wed, 13 Sep 2023 12:33:01 -0700 > Cc: sbaugh@HIDDEN, 65902 <at> debbugs.gnu.org > From: Jim Porter <jporterbugs@HIDDEN> > > On 9/13/2023 12:13 PM, Eli Zaretskii wrote: > > And I don't understand why we need to add any options to Emacs itself, > > btw. The suggestion to have some "symmetry" here was one of the > > reasons that discussion got nowhere. So let's learn from that > > mistake, at least. > > There's a practical benefit to this. If you have $EDITOR set in your > environment to something like "emacsclient --alternate-editor=emacs", > then it would be nice if you could say this: > > $EDITOR --apply some-func arg1 arg2 > > and have it do the same thing whether or not there was already an Emacs > server running. The symmetry between the two commands (plus proper > argument forwarding) would make that work. > > However, if people can't agree, then we could probably drop that part. > To me, it sounds like people *do* agree that this would be good to have > though. People might agree, but I don't. Please consider the perspective. This started as an obscure and rare problem in a desktop file (which we provided solely out of good will, since it really isn't our job to do so, it's the job of downstream distros). The proposed solution was to add a completely new option to emacsclient, with its own special syntax and rules about what can and cannot be done with it. This is already something that should raise brows: how can such an unimportant reason cause us to make such significant changes? We didn't yet finish discussing that nor even had time to understand all the implications (remember: Lars suggested to support several such options, which required another special option), and we already are told that "for symmetry" we should add the same to Emacs. All that where just yesterday there was no need for any new options in either, and if we decided to drop those desktop files from our sources (which I personally am tempted to do every few weeks, due to issues they cause us all the time since their introduction), then even the original need will miraculously disappear into thin air. So this is a classic case of the tail wagging the dog. What about alternative solutions: use a shell script in the desktop files, and delegate to that script to solve the problem with quoting? Had anyone considered this strategy? If not, why not? I would in general prefer not to add any new options to our programs due to this weak reason. Once again: it is not our job to get these desktop files right in every single downstream environment, so let's not make it our problem, certainly not a problem we should solve using such non-trivial solutions.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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On 9/13/2023 1:00 PM, Spencer Baugh wrote:
> It doesn't work with --alternate-editor=emacs, but I think that is OK.
> I think the alternate-editor='' configuration is far more common, and
> that works just fine.
In that case, I think the benefits of "emacs --apply" are somewhat
reduced, but it does still make some cases a bit easier.
("emacs-mail.desktop" could use it, which would let us simplify the
implementation of 'message-mailto' a little.)
Still, if we dropped "emacs --apply" I wouldn't stamp my feet about it.
The main benefit is for emacsclient anyway, where it seems we have
consensus.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 20:01:00 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 16:01:00 2023 Received: from localhost ([127.0.0.1]:36115 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgW2m-0006h2-7W for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 16:01:00 -0400 Received: from mxout5.mail.janestreet.com ([64.215.233.18]:38715) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <sbaugh@HIDDEN>) id 1qgW2h-0006gl-S7 for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 16:00:59 -0400 From: Spencer Baugh <sbaugh@HIDDEN> To: Jim Porter <jporterbugs@HIDDEN> Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping In-Reply-To: <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> (Jim Porter's message of "Wed, 13 Sep 2023 12:33:01 -0700") References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> Date: Wed, 13 Sep 2023 16:00:44 -0400 Message-ID: <ierr0n1aln7.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 65902 Cc: sbaugh@HIDDEN, Eli Zaretskii <eliz@HIDDEN>, 65902 <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 (-) Jim Porter <jporterbugs@HIDDEN> writes: > On 9/13/2023 12:13 PM, Eli Zaretskii wrote: >> And I don't understand why we need to add any options to Emacs itself, >> btw. The suggestion to have some "symmetry" here was one of the >> reasons that discussion got nowhere. So let's learn from that >> mistake, at least. > > There's a practical benefit to this. If you have $EDITOR set in your > environment to something like "emacsclient --alternate-editor=emacs", > then it would be nice if you could say this: > > $EDITOR --apply some-func arg1 arg2 > > and have it do the same thing whether or not there was already an > Emacs server running. The symmetry between the two commands (plus > proper argument forwarding) would make that work. This already works out of the box with --alternate-editor='', no need for any argument forwarding, and no need for support for this argument in Emacs itself. It doesn't work with --alternate-editor=emacs, but I think that is OK. I think the alternate-editor='' configuration is far more common, and that works just fine. And we have not before done any special casing for forwarding arguments from emacsclient to alternate-editor=emacs, so I don't think there's any reason to start now. (I personally think that alternate-editor=emacs is somewhat ill-advised, since it doesn't ensure that the server gets started) That being said, supporting --apply in Emacs itself is fine with me, although it's not strictly necessary since in Emacs itself, --apply func -- is basically equivalent to --eval (apply func command-line-args-left) (This doesn't work in emacsclient, and would be very difficult to support, so --apply is necessary for emacsclient) > However, if people can't agree, then we could probably drop that > part. To me, it sounds like people *do* agree that this would be good > to have though. I'm fine either way.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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[76.168.148.233]) by smtp.googlemail.com with ESMTPSA id o6-20020a639206000000b0056c3a4a3ca5sm9182434pgd.36.2023.09.13.12.33.00 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 Sep 2023 12:33:00 -0700 (PDT) Message-ID: <66a6c09e-3b61-d913-5638-4c804fb826f6@HIDDEN> Date: Wed, 13 Sep 2023 12:33:01 -0700 MIME-Version: 1.0 Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping Content-Language: en-US To: Eli Zaretskii <eliz@HIDDEN>, Spencer Baugh <sbaugh@HIDDEN> References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> <83led9nay9.fsf@HIDDEN> From: Jim Porter <jporterbugs@HIDDEN> In-Reply-To: <83led9nay9.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 65902 Cc: sbaugh@HIDDEN, 65902 <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 (-) On 9/13/2023 12:13 PM, Eli Zaretskii wrote: > And I don't understand why we need to add any options to Emacs itself, > btw. The suggestion to have some "symmetry" here was one of the > reasons that discussion got nowhere. So let's learn from that > mistake, at least. There's a practical benefit to this. If you have $EDITOR set in your environment to something like "emacsclient --alternate-editor=emacs", then it would be nice if you could say this: $EDITOR --apply some-func arg1 arg2 and have it do the same thing whether or not there was already an Emacs server running. The symmetry between the two commands (plus proper argument forwarding) would make that work. However, if people can't agree, then we could probably drop that part. To me, it sounds like people *do* agree that this would be good to have though.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 19:13:49 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 15:13:49 2023 Received: from localhost ([127.0.0.1]:36055 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgVJ7-0005RT-5Q for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 15:13:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:34634) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgVJ4-0005RF-B2 for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 15:13:48 -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 <eliz@HIDDEN>) id 1qgVIr-0000E3-Tj; Wed, 13 Sep 2023 15:13:33 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=bV/vNxfADuTWDvymo8URuOyTi2ZfWISzlE/Kdi1Wu8Q=; b=QmgKeUEKdmd3 zSRKb1YjIn3AymKnbe0fy/oL2VE2TET8UXGRx5AGDCTY2SEFxATrUvg0lQoQcJS5gfNDZZebh5Bn1 Q8lsi9Fo3P32Qo8RplA3YuXwqRK8ezHkGfW06IrT4EcYKv5l/PFsZ8Ku1dnzhSffmkIfOzwZ5N23X w/SG23SStc6pHaAbEVvkQxTyD6Sz1MiBWi8ydBan47H3zNhrCUGgHLwodtd/E322IjCVwEiwh0f44 nPWo+AR3cDpv+YZlDcVe774KMiPfK3DDrzmMO0MUCKWkwu/FSugE4okn8gcNclLDADjH6oaM0Eq5x +AjbsdZQJoxmM1wJv5y9Ow==; Date: Wed, 13 Sep 2023 22:13:18 +0300 Message-Id: <83led9nay9.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Spencer Baugh <sbaugh@HIDDEN> In-Reply-To: <ierttry9jxh.fsf@HIDDEN> (message from Spencer Baugh on Wed, 13 Sep 2023 11:23:06 -0400) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: sbaugh@HIDDEN, 65902 <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: -3.3 (---) > From: Spencer Baugh <sbaugh@HIDDEN> > Cc: Spencer Baugh <sbaugh@HIDDEN>, 65902 <at> debbugs.gnu.org > Date: Wed, 13 Sep 2023 11:23:06 -0400 > > >> Agreed, I think we reached a consensus in that bug and now I am implementing that consensus. > > > > AFAIU, there was no consensus reached there, so I'm unsure what are > > you alluding to here. > > Everyone in that thread agreed that something like this --apply design > (which passes the strings verbatim to Emacs without evaling them) is > what we need, they were just discussing the exact design, and in the end > the design that everyone who posted agreed on, matched what I have > implemented... That's not my reading of that long discussion. And I don't understand why we need to add any options to Emacs itself, btw. The suggestion to have some "symmetry" here was one of the reasons that discussion got nowhere. So let's learn from that mistake, at least.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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[76.168.148.233]) by smtp.googlemail.com with ESMTPSA id lt12-20020a17090b354c00b00263154aab24sm1658196pjb.57.2023.09.13.09.19.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 Sep 2023 09:19:15 -0700 (PDT) Message-ID: <75258dc0-4593-0dd2-f00d-965b37763fd4@HIDDEN> Date: Wed, 13 Sep 2023 09:19:15 -0700 MIME-Version: 1.0 Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping Content-Language: en-US To: Spencer Baugh <sbaugh@HIDDEN>, Eli Zaretskii <eliz@HIDDEN> References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> <ierttry9jxh.fsf@HIDDEN> From: Jim Porter <jporterbugs@HIDDEN> In-Reply-To: <ierttry9jxh.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 65902 Cc: Spencer Baugh <sbaugh@HIDDEN>, 65902 <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 (-) On 9/13/2023 8:23 AM, Spencer Baugh wrote: > Eli Zaretskii <eliz@HIDDEN> writes: >> AFAIU, there was no consensus reached there, so I'm unsure what are >> you alluding to here. > > Everyone in that thread agreed that something like this --apply design > (which passes the strings verbatim to Emacs without evaling them) is > what we need, they were just discussing the exact design, and in the end > the design that everyone who posted agreed on, matched what I have > implemented... I don't think we need to relitigate it. That was my impression as well. Most of the discussion in that bug was among Robert (already commenting on this bug in agreement with the current patch), Gregory (who I believe supports the --apply design[1]), Lars (who proposed a form of the --apply design to handle multiple --apply calls[2]), and me (I support --apply, using Lars' semantics if we can get it). [1] https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57752#119 [2] https://debbugs.gnu.org/cgi/bugreport.cgi?bug=57752#122
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 15:23:22 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 11:23:22 2023 Received: from localhost ([127.0.0.1]:35665 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgRi6-0005ds-8y for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 11:23:22 -0400 Received: from mxout5.mail.janestreet.com ([64.215.233.18]:55893) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <sbaugh@HIDDEN>) id 1qgRi2-0005dc-0z for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 11:23:21 -0400 From: Spencer Baugh <sbaugh@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping In-Reply-To: <83ttrym8jx.fsf@HIDDEN> (Eli Zaretskii's message of "Wed, 13 Sep 2023 17:50:26 +0300") References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> Date: Wed, 13 Sep 2023 11:23:06 -0400 Message-ID: <ierttry9jxh.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -0.0 (/) X-Debbugs-Envelope-To: 65902 Cc: Spencer Baugh <sbaugh@HIDDEN>, 65902 <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: >> Date: Wed, 13 Sep 2023 14:08:01 +0000 (UTC) >> From: Spencer Baugh <sbaugh@HIDDEN> >> Cc: 65902 <at> debbugs.gnu.org >> >> On Sep 13, 2023 09:26, Eli Zaretskii <eliz@HIDDEN> wrote: >> >> > I am not sure what you're suggesting. Can you show how the equivalent >> > of: >> > >> > emacsclient --apply message-mailto -- %u >> > >> > would work with that design? >> >> emacsclient --qeval '(message-mailto %u)' >> >> I don't think this can work in general for arbitrary user input: what if %u is replaced with something >> that contains parentheses? > > They are inside '..', so the only one who'd care is Emacs, not the > shell. Agreed. The problem I'm referring to is in Emacs, interpreting arbitrary input from the web as code. (The .desktop commands don't even use a shell, a shell doesn't need to be involved at any point) > In which case it's the job of whoever provides the value for > %u to handle that. The value for %u is an arbitrary string from some other application which wants to open a mailto: URI, and passes it to xdg-open which then passes it to Emacs. Other applications are not aware of what escaping is needed to make Emacs not interpret it as code. And indeed, there's no point in doing that: Emacs is in the best position to do that escaping, if it needs to be done. > And anyway, how is that different from the same problem happening with > your suggested --funcall or --apply? they will bump into the same > issues. No, they won't: --apply passes the arguments as a string, without ever trying to parse them as Lisp. Let's be concrete: imagine %u is replaced with (shell-command "rm -r /") as could happen if an application receives some malicious input. The command line with --qeval is: emacsclient --qeval '(message-mailto (shell-command "rm -r /"))' Emacs receives -eval (message-mailto (shell-command "rm -r /")) and evals (message-mailto (shell-command "rm -r /")) and deletes your files. The command line with --apply is: emacsclient --apply message-mailto '(shell-command "rm -r /")' Emacs receives -apply message-mailto --applyarg (shell-command "rm -r /") and evals (message-mailto "(shell-command \"rm -r /\")") and nothing bad happens. Emacs just needs to get the verbatim string without trying to parse it as Lisp at any point. This is an extremely standard security technique when dealing with malicious input, which is why the previous thread converged on it so quickly. >> Let's not do that this time, okay? >> >> Agreed, I think we reached a consensus in that bug and now I am implementing that consensus. > > AFAIU, there was no consensus reached there, so I'm unsure what are > you alluding to here. Everyone in that thread agreed that something like this --apply design (which passes the strings verbatim to Emacs without evaling them) is what we need, they were just discussing the exact design, and in the end the design that everyone who posted agreed on, matched what I have implemented... I don't think we need to relitigate it.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 15:01:15 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 11:01:15 2023 Received: from localhost ([127.0.0.1]:35642 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgRMh-00054O-EV for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 11:01:15 -0400 Received: from smtp-out2.suse.de ([2001:67c:2178:6::1d]:58312) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <schwab@HIDDEN>) id 1qgRMd-000549-VH for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 11:01:14 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out2.suse.de (Postfix) with ESMTP id D35B41F390; Wed, 13 Sep 2023 15:01:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1694617260; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hm6puBdSx8iMFsDQpiaYumdgN8wW3ryi7Bbjeb8TOl4=; b=kRnKk62XOKHwR/f/SfGFRHvY5oBfv4IgpRZDboIQCzXW5n8bA3lXjNrrFmb5W9MLko6DUC iTnzudAVzHsR+xpO0IBxq59vLjL60mLy2JnDwx/x5ioLEiLDCpWIPNSExdPT/8YeN7ZFCi gWnUIiTaBS/EiQskgLBDCxidC2Dc/bo= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1694617260; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=hm6puBdSx8iMFsDQpiaYumdgN8wW3ryi7Bbjeb8TOl4=; b=hExPg7+l9wcr0Fmh/X7Xb1gDyuF2qk7vADYhUta5KxRffXdL+ufLsv7OmmyAxHPxSn5CGy AOxpo1UP9/EulaAg== Received: from hawking.nue2.suse.org (unknown [10.168.4.11]) by relay2.suse.de (Postfix) with ESMTP id AABE92C142; Wed, 13 Sep 2023 15:01:00 +0000 (UTC) Received: by hawking.nue2.suse.org (Postfix, from userid 17005) id 8D4934A04B1; Wed, 13 Sep 2023 17:01:00 +0200 (CEST) From: Andreas Schwab <schwab@HIDDEN> To: Eli Zaretskii <eliz@HIDDEN> Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping In-Reply-To: <83ttrym8jx.fsf@HIDDEN> (Eli Zaretskii's message of "Wed, 13 Sep 2023 17:50:26 +0300") References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> <83ttrym8jx.fsf@HIDDEN> X-Yow: I'm totally DESPONDENT over the LIBYAN situation and the price of CHICKEN.. Date: Wed, 13 Sep 2023 17:01:00 +0200 Message-ID: <mvm8r9axglv.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: Spencer Baugh <sbaugh@HIDDEN>, 65902 <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: -3.3 (---) On Sep 13 2023, Eli Zaretskii wrote: > They are inside '..', so the only one who'd care is Emacs, not the > shell. In which case it's the job of whoever provides the value for > %u to handle that. The spec does not allow that. The %u marker cannot be part of a quoted argument. -- Andreas Schwab, SUSE Labs, schwab@HIDDEN GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 14:50:54 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 10:50:54 2023 Received: from localhost ([127.0.0.1]:35605 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgRCg-000282-0k for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 10:50:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51468) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgRCf-00027q-AJ for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 10:50:53 -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 <eliz@HIDDEN>) id 1qgRCT-0000jg-Et; Wed, 13 Sep 2023 10:50:41 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=kJ8O4HxBrVPJT1J0JJJg+EPSd9GtTPE823JAwxNEdaY=; b=mvvfnpGu/Hm4 G5msQsSIlARsxCEEbcWGKtL2DY/9NSxrNvmPZ6w0FVbudF1rJIsJCwA1ptvbWPuctCqsk0FpJhVqE B/jZGakfxMPBvou3Qzamqpl7WJNEBtIz1vrd2pGoOsBVmqHgPY6Hb6qj7cWnIcpVqmXqe1HXKAqMv 18yq2eXN02So9DOcIb8Jf5bZup7LJlgF6uO9PyjmVnnFGAOIGOaJDSgt6po0FD5l9vNF8iiGbqa4N NwuwflAS6bTetM/cN90a1FYoZ5YkwqCk8Gnvs4zXxF+HWncfRpYQOTlp8uL4dRhScCuildWhbSXhp I3+wUxKTuwP44UEvT6j6Qg==; Date: Wed, 13 Sep 2023 17:50:26 +0300 Message-Id: <83ttrym8jx.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Spencer Baugh <sbaugh@HIDDEN> In-Reply-To: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> (message from Spencer Baugh on Wed, 13 Sep 2023 14:08:01 +0000 (UTC)) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <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: -3.3 (---) > Date: Wed, 13 Sep 2023 14:08:01 +0000 (UTC) > From: Spencer Baugh <sbaugh@HIDDEN> > Cc: 65902 <at> debbugs.gnu.org > > On Sep 13, 2023 09:26, Eli Zaretskii <eliz@HIDDEN> wrote: > > > I am not sure what you're suggesting. Can you show how the equivalent > > of: > > > > emacsclient --apply message-mailto -- %u > > > > would work with that design? > > emacsclient --qeval '(message-mailto %u)' > > I don't think this can work in general for arbitrary user input: what if %u is replaced with something > that contains parentheses? They are inside '..', so the only one who'd care is Emacs, not the shell. In which case it's the job of whoever provides the value for %u to handle that. And anyway, how is that different from the same problem happening with your suggested --funcall or --apply? they will bump into the same issues. > Let's not do that this time, okay? > > Agreed, I think we reached a consensus in that bug and now I am implementing that consensus. AFAIU, there was no consensus reached there, so I'm unsure what are you alluding to here.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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From: Robert Pluim <rpluim@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to
complicated escaping
In-Reply-To: <83a5tqnry8.fsf@HIDDEN> (Eli Zaretskii's message of "Wed, 13 Sep
2023 16:06:07 +0300")
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<d796795f-7900-9140-8443-12f812cf8983@HIDDEN>
<87edj2ec5b.fsf@HIDDEN> <83a5tqnry8.fsf@HIDDEN>
Date: Wed, 13 Sep 2023 16:22:43 +0200
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>>>>> On Wed, 13 Sep 2023 16:06:07 +0300, Eli Zaretskii <eliz@HIDDEN> said:
>> Cc: sbaugh@HIDDEN, 65902 <at> debbugs.gnu.org
>> From: Robert Pluim <rpluim@HIDDEN>
>> Date: Wed, 13 Sep 2023 10:00:00 +0200
>>=20
>> >>>>> On Tue, 12 Sep 2023 20:46:54 -0700, Jim Porter <jporterbugs@gm=
ail.com> said:
>>=20
Jim> On 9/12/2023 7:30 PM, sbaugh@HIDDEN wrote:
>> >> tags 65902 + patch
>> >> quit
>> >> This patch avoids the complicated scripting needed for
>> >> emacsclient-mail.desktop by adding a new flag to emacsclient, --f=
uncall,
>> >> which mirrors emacs --funcall and allows emacsclient-mail.desktop=
to be
>> >> basically the same as emacs-mail.desktop.
>>=20
Jim> I think this is actually the same as the (very long) bug#57752, so
Jim> thanks for working on this. (It was on my list of things to get to,
Jim> but I just haven't had time.)
>>=20
>> 57752 got bogged down in design paralysis :-)
Eli> And where do you think we will get here, if we retrace all the
Eli> arguments and counter-arguments voiced there?
I was not intending to do that, I was intending to advocate for
Spencer=CA=BCs work to go in pretty much as-is (modulo calling it '--apply'
rather than '--funcall').
Robert
--=20
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 14:08:16 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 10:08:16 2023 Received: from localhost ([127.0.0.1]:35490 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgQXQ-0000tt-C3 for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 10:08:16 -0400 Received: from s.wfbtzhsw.outbound-mail.sendgrid.net ([159.183.224.105]:30634) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <bounces+21787432-39fe-65902=debbugs.gnu.org@HIDDEN>) id 1qgQXN-0000td-W5 for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 10:08:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=catern.com; h=subject:in-reply-to:from:mime-version:to:cc:content-type: content-transfer-encoding:cc:content-type:from:subject:to; s=s1; bh=NspA0M77QMMtXUfKWUTieOgOkSUDSJtJBHHHZ4SRzJs=; b=QzaLvZ14mhnH5V8AdHjhZcRrblGa/WxiTwfqbzQjC7N4pJp0ZWIlWx+epTKYo8GP5C5W p57dqVtMNM5IBOskb+DJ/9/qfqA9T+2cQjDrX5019pcTzI9fEfE1deeqCcj4vQJhZtt0rd elQ0P/2mEVdsnJqFSiSFdAaebibY20fIWkTfm3BfyeGAo9Y0+jqAzxvRF1N89LqKKBKZDI yBNVZCfYeUMZGItzxBlRQApPQwvx6zC3Ty1Sznxy5b1bTOKYvbMTT0A+SefsacgreO9imX XWoXbnOnpTld110Yx5ym5YxlPnbRVHD6L6ZPzajR4LSY5716c5wbhLRU7ppsuaIg== Received: by filterdrecv-7765c6879f-sjjbz with SMTP id filterdrecv-7765c6879f-sjjbz-1-6501C241-B2 2023-09-13 14:08:01.661924256 +0000 UTC m=+2933147.434190176 Received: from earth.catern.com (unknown) by geopod-ismtpd-3 (SG) with ESMTP id YyKFgKvDTdyYyehARFEF5A Wed, 13 Sep 2023 14:08:01.537 +0000 (UTC) Date: Wed, 13 Sep 2023 14:08:01 +0000 (UTC) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping Message-ID: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> X-Android-Message-ID: <fe2cc764-86c6-4840-80b7-8f3a3778b374@HIDDEN> In-Reply-To: <837counr08.fsf@HIDDEN> From: Spencer Baugh <sbaugh@HIDDEN> Importance: Normal X-Priority: 3 X-MSMail-Priority: Normal MIME-Version: 1.0 X-SG-EID: =?us-ascii?Q?GW3oCMoYnalRiojMOuLzE6x2H5kORXvlCdz1UwQVRMVT4fbh9ODEfCogOe74cO?= =?us-ascii?Q?rI4e0V+MFZgakz9Re5a6=2FCgg4ZtpyhtSdfUjWBt?= =?us-ascii?Q?rKJKkNb93mt+zUcxCYxQGI91zbA37ACbxMBspmN?= =?us-ascii?Q?Xpoqhtpj5J9ZrS5ttgxfM61MW4aQHZirj9wRlxI?= =?us-ascii?Q?JoXD2ZsJdkER0NlNFwpbBDEMM6mjP07W4pMQ99K?= =?us-ascii?Q?dFKmCbOpZ6NyxAIg5X2lO5jgvS3KgGc+NUfjo1?= To: Eli Zaretskii <eliz@HIDDEN> X-Entity-ID: d/0VcHixlS0t7iB1YKCv4Q== Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: base64 X-Spam-Score: 1.7 (+) X-Spam-Report: Spam detection software, running on the system "debbugs.gnu.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: On Sep 13, 2023 09:26, Eli Zaretskii <eliz@HIDDEN> wrote: > From: sbaugh@HIDDEN > Date: Wed, 13 Sep 2023 13:01:52 +0000 (UTC) > Cc: 65902 <at> debbugs.gnu.org > > Eli Zaretskii <eliz@HIDDEN> writes: > > > Is quoting the only issue with --eval? 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bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 13:27:06 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 09:27:06 2023 Received: from localhost ([127.0.0.1]:32944 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgPtZ-0002Mt-Kk for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 09:27:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35372) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgPtU-0002MV-5S for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 09:27:04 -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 <eliz@HIDDEN>) id 1qgPtJ-0006og-5a; Wed, 13 Sep 2023 09:26:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=2Om+pWYXNDzs1ILTcIBMdoaKkpNXr5usKOJq2b16Df4=; b=mjx185gbWvRF gC7ULHe4I6IRtGMAI5yW7CenfEbkBDXeOCxH3jRNd+kQOv5j4EHPdAbaoa6qg9ahH+IvKjFYnUbp+ uwbHFWp8D3TVCnwbEe2ObbNDAvj0bRmx5sRgUy1UKN1fWcrmzsDk8XNRnTCGe7jyqoRTAsSDPfcpp tGV2sVU+aZQnkVcXP+X+/z313Q7EukCWPmnGQcoBmgFeZBxR0wdgWaxZmGXP0r3OlXmABbZbPM6Tg 14C8WkC31FOrELP14AaqL4te/OdYNembuUrYIMnQWiUCy4V7XGvxYhL8Xxv/9E8NGirUO+ydz9P+i NyxFbiwkUkHqdQE8o/H/mw==; Date: Wed, 13 Sep 2023 16:26:31 +0300 Message-Id: <837counr08.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: sbaugh@HIDDEN In-Reply-To: <87msxqtef4.fsf@HIDDEN> (sbaugh@HIDDEN) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN> <83fs3int3t.fsf@HIDDEN> <87msxqtef4.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <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: -3.3 (---) > From: sbaugh@HIDDEN > Date: Wed, 13 Sep 2023 13:01:52 +0000 (UTC) > Cc: 65902 <at> debbugs.gnu.org > > Eli Zaretskii <eliz@HIDDEN> writes: > > > Is quoting the only issue with --eval? If so, why not have a variant > > of --eval that quotes the argument by itself, like you do in the > > patch, i.e. by using quote_argument, instead of inventing yet another > > weird option with its own small DSL and extra-special rules of how to > > write the command line with it? > > I am not sure what you're suggesting. Can you show how the equivalent > of: > > emacsclient --apply message-mailto -- %u > > would work with that design? emacsclient --qeval '(message-mailto %u)' > > More generally, I cannot say I'm happy that we basically are > > reiterating everything that was said in bug#57752 instead of picking > > up where it left off. Why is it useful to have another discussion > > like that one (which will probably end up at the same impasse)? > > I admit I didn't see that bug until now, but the way in which this is > different is that I have now read the discussion, incorporated all the > advice, and I'm actually implementing it :) You are well under way to reach the same final point we ended up there, because both the arguments people voice here and your responses/reactions are the same as we saw there. For example, we already have an additional option to Emacs, although the original problem had nothing to do with Emacs itself. Let's not do that this time, okay?
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 13:06:49 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 09:06:49 2023 Received: from localhost ([127.0.0.1]:32914 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgPZw-0001sc-St for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 09:06:49 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:35454) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgPZr-0001ry-5j for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 09:06:44 -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 <eliz@HIDDEN>) id 1qgPZg-0007TC-Fu; Wed, 13 Sep 2023 09:06:32 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=p70xN62ht52Am+Hm3WIZJStjPosWjVo977zbaMZbt+o=; b=VDmiPY7Kid+R ul1Ek8MEex5dhu+h6FCOFr18ZwhmK7iYtFTWIEZjF7yHAu7g4jP+ad6nn2aeE5Vvy+NU+yLPRI+nM HTyCSFgXCXpgaiPJzXIWrBGMwVYnCL/QHh8bdVUrKsLksDuG8EMrM4uvG2bFv3MbqrpjjstoemE9U C5oz+1DLbm2ULlnF9mp4m/V29Pemrg+M4B8W1DwKcuYL7QalMnkPQMakAC4Gu+YOi8emHqGHCyxKG 7ZRZZaJtGVNYLWKXc5zrvn6icxlZVnFjtgindhIJyAqjei3XfKszI+5eyH1ZpMQ1Jt+rKmHS9h51o IFbE13KgchbPir2cLLvx4w==; Date: Wed, 13 Sep 2023 16:06:07 +0300 Message-Id: <83a5tqnry8.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Robert Pluim <rpluim@HIDDEN> In-Reply-To: <87edj2ec5b.fsf@HIDDEN> (message from Robert Pluim on Wed, 13 Sep 2023 10:00:00 +0200) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN> <d796795f-7900-9140-8443-12f812cf8983@HIDDEN> <87edj2ec5b.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <at> debbugs.gnu.org, jporterbugs@HIDDEN, sbaugh@HIDDEN 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: -3.3 (---) > Cc: sbaugh@HIDDEN, 65902 <at> debbugs.gnu.org > From: Robert Pluim <rpluim@HIDDEN> > Date: Wed, 13 Sep 2023 10:00:00 +0200 > > >>>>> On Tue, 12 Sep 2023 20:46:54 -0700, Jim Porter <jporterbugs@HIDDEN> said: > > Jim> On 9/12/2023 7:30 PM, sbaugh@HIDDEN wrote: > >> tags 65902 + patch > >> quit > >> This patch avoids the complicated scripting needed for > >> emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall, > >> which mirrors emacs --funcall and allows emacsclient-mail.desktop to be > >> basically the same as emacs-mail.desktop. > > Jim> I think this is actually the same as the (very long) bug#57752, so > Jim> thanks for working on this. (It was on my list of things to get to, > Jim> but I just haven't had time.) > > 57752 got bogged down in design paralysis :-) And where do you think we will get here, if we retrace all the arguments and counter-arguments voiced there?
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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Content preview: Eli Zaretskii <eliz@HIDDEN> writes: >> From: sbaugh@HIDDEN >> Date: Wed, 13 Sep 2023 02:30:08 +0000 (UTC) >> >> This patch avoids the complicated scripting needed for >> emacsclient-mail.desktop by adding a new flag to emacsclient, [...] Content analysis details: (1.2 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 1.2 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in bl.spamcop.net [Blocked - see <https://www.spamcop.net/bl.shtml?149.72.126.143>] 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay lines X-Debbugs-Envelope-To: 65902 Cc: 65902 <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: 0.2 (/) Eli Zaretskii <eliz@HIDDEN> writes: >> From: sbaugh@HIDDEN >> Date: Wed, 13 Sep 2023 02:30:08 +0000 (UTC) >> >> This patch avoids the complicated scripting needed for >> emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall, >> which mirrors emacs --funcall and allows emacsclient-mail.desktop to be >> basically the same as emacs-mail.desktop. >> >> I expect this to also be useful in other places; the need to escape >> arbitrary inputs before passing them to emacsclient is frequently >> annoying. > > Is quoting the only issue with --eval? If so, why not have a variant > of --eval that quotes the argument by itself, like you do in the > patch, i.e. by using quote_argument, instead of inventing yet another > weird option with its own small DSL and extra-special rules of how to > write the command line with it? I am not sure what you're suggesting. Can you show how the equivalent of: emacsclient --apply message-mailto -- %u would work with that design? > More generally, I cannot say I'm happy that we basically are > reiterating everything that was said in bug#57752 instead of picking > up where it left off. Why is it useful to have another discussion > like that one (which will probably end up at the same impasse)? I admit I didn't see that bug until now, but the way in which this is different is that I have now read the discussion, incorporated all the advice, and I'm actually implementing it :) Probably these bugs could/should be merged though.
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to
complicated escaping
In-Reply-To: <d796795f-7900-9140-8443-12f812cf8983@HIDDEN> (Jim Porter's
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References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN>
<d796795f-7900-9140-8443-12f812cf8983@HIDDEN>
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Content preview: Jim Porter <jporterbugs@HIDDEN> writes: > On 9/12/2023
7:30 PM, sbaugh@HIDDEN wrote: >> tags 65902 + patch >> quit >> This patch
avoids the complicated scripting needed for >> emacsclient-mail.desktop by
adding a new flag to emacsclient [...]
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Content preview: Jim Porter <jporterbugs@HIDDEN> writes: > On 9/12/2023
7:30 PM, sbaugh@HIDDEN wrote: >> tags 65902 + patch >> quit >> This patch
avoids the complicated scripting needed for >> emacsclient-mail.desktop by
adding a new flag to emacsclient [...]
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--=-=-=
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Jim Porter <jporterbugs@HIDDEN> writes:
> On 9/12/2023 7:30 PM, sbaugh@HIDDEN wrote:
>> tags 65902 + patch
>> quit
>> This patch avoids the complicated scripting needed for
>> emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall,
>> which mirrors emacs --funcall and allows emacsclient-mail.desktop to be
>> basically the same as emacs-mail.desktop.
>
> I think this is actually the same as the (very long) bug#57752, so
> thanks for working on this. (It was on my list of things to get to,
> but I just haven't had time.)
>
> Over there, we agreed that something like your patch is wanted, albeit
> with two caveats:
>
> 1. Since "--funcall" for the regular "emacs" binary doesn't pass
> arguments to the function, how about we call this option "--apply"
> instead?
Ah, for some reason I thought --funcall passed arguments. Done in
attached patch.
> 2. It would be great if we could get "--apply" for the regular "emacs"
> binary too, so that both programs work the same way (at least in this
> regard).
Done.
Although the behavior is slightly different: emacs --apply calls the
function with subsequent FILE arguments, and emacsclient --apply calls
the function with all FILE arguments. The "subsequent FILE arguments"
behavior is probably better, but I don't know a way to do that with
getopt (which emacsclient uses).
> Even better, if you could forward "--apply" from
> "emacsclient" to the alternate editor (which would be "emacs" 99% of
> the time) automatically. That works, in a roundabout way, for the
> Emacs daemon, but not if the alternate editor is "emacs".
This happens automatically anyway: When emacsclient starts the daemon,
it sends the --apply request. I think that's exactly what you'd want.
--=-=-=
Content-Type: text/x-patch
Content-Disposition: inline;
filename=0001-Add-apply-argument-to-avoid-escaping-arguments.patch
From 4881017055ea6831ee7fe2d722eb79856946d907 Mon Sep 17 00:00:00 2001
From: Spencer Baugh <sbaugh@HIDDEN>
Date: Tue, 12 Sep 2023 22:20:15 -0400
Subject: [PATCH] Add --apply argument to avoid escaping arguments
Passing arguments to functions through emacs --eval or emacsclient
--eval requires complicated escaping (as seen in
emacsclient-mail.desktop before this change).
The new --apply argument for both emacs and emacsclient passes command
line arguments as uninterpreted strings to the specified function.
This simplifies use cases where arbitrary input needs to be passed to
Emacs.
Note that there's a minor difference in behavior between emacs --apply
and emacsclient --apply: emacs --apply func calls func with only
command line arguments occuring after --apply, emacsclient --apply
func calls func with all command line arguments, even those which
occurred before --apply. This is hard to avoid since emacsclient uses
getopt instead of fancier custom Lisp argument parsing in Emacs.
* etc/emacsclient-mail.desktop: Use --apply. (bug#65902)
* lib-src/emacsclient.c (longopts, decode_options, main): Add support
for --apply.
* lisp/server.el (server-apply-and-print): Add.
(server-process-filter): Add support for -apply and -applyargs
* lisp/startup.el (command-line-1): Add support for --apply.
* src/emacs.c (usage_message, standard_args): Add support for --apply.
---
etc/emacsclient-mail.desktop | 9 +++------
lib-src/emacsclient.c | 36 ++++++++++++++++++++++++++++++++++--
lisp/server.el | 34 ++++++++++++++++++++++++++++++++++
lisp/startup.el | 18 +++++++++++++++---
src/emacs.c | 3 +++
5 files changed, 89 insertions(+), 11 deletions(-)
diff --git a/etc/emacsclient-mail.desktop b/etc/emacsclient-mail.desktop
index 0a2420ddead..750fcddacdc 100644
--- a/etc/emacsclient-mail.desktop
+++ b/etc/emacsclient-mail.desktop
@@ -1,10 +1,7 @@
[Desktop Entry]
Categories=Network;Email;
Comment=GNU Emacs is an extensible, customizable text editor - and more
-# We want to pass the following commands to the shell wrapper:
-# u=$(echo "$1" | sed 's/[\"]/\\&/g'); exec emacsclient --alternate-editor= --display="$DISPLAY" --eval "(message-mailto \"$u\")"
-# Special chars '"', '$', and '\' must be escaped as '\\"', '\\$', and '\\\\'.
-Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --display=\\"\\$DISPLAY\\" --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u
+Exec=emacsclient --alternate-editor= --apply message-mailto -- %u
Icon=emacs
Name=Emacs (Mail, Client)
MimeType=x-scheme-handler/mailto;
@@ -16,8 +13,8 @@ Actions=new-window;new-instance;
[Desktop Action new-window]
Name=New Window
-Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --create-frame --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u
+Exec=emacsclient --alternate-editor= --create-frame --apply message-mailto -- %u
[Desktop Action new-instance]
Name=New Instance
-Exec=emacs -f message-mailto %u
+Exec=emacs --apply message-mailto -- %u
diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 698bf9b50ae..159c22d1ae9 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -116,6 +116,9 @@ #define DEFAULT_TIMEOUT (30)
/* True means args are expressions to be evaluated. --eval. */
static bool eval;
+/* The function to call. Other arguments are passed as strings. --apply. */
+static char *apply;
+
/* True means open a new frame. --create-frame etc. */
static bool create_frame;
@@ -169,6 +172,7 @@ #define DEFAULT_TIMEOUT (30)
{ "quiet", no_argument, NULL, 'q' },
{ "suppress-output", no_argument, NULL, 'u' },
{ "eval", no_argument, NULL, 'e' },
+ { "apply", required_argument, NULL, 'y' },
{ "help", no_argument, NULL, 'H' },
{ "version", no_argument, NULL, 'V' },
{ "tty", no_argument, NULL, 't' },
@@ -552,6 +556,10 @@ decode_options (int argc, char **argv)
eval = true;
break;
+ case 'y':
+ apply = optarg;
+ break;
+
case 'q':
quiet = true;
break;
@@ -690,6 +698,7 @@ print_help_and_exit (void)
-F ALIST, --frame-parameters=ALIST\n\
Set the parameters of a new frame\n\
-e, --eval Evaluate the FILE arguments as ELisp expressions\n\
+-y, --apply FUNC Call ELisp FUNC, passing all FILE arguments as strings\n\
-n, --no-wait Don't wait for the server to return\n\
-w, --timeout=SECONDS Seconds to wait before timing out\n\
-q, --quiet Don't display messages on success\n\
@@ -1953,7 +1962,7 @@ main (int argc, char **argv)
/* Process options. */
decode_options (argc, argv);
- if (! (optind < argc || eval || create_frame))
+ if (! (optind < argc || eval || apply || create_frame))
{
message (true, ("%s: file name or argument required\n"
"Try '%s --help' for more information\n"),
@@ -1961,6 +1970,14 @@ main (int argc, char **argv)
exit (EXIT_FAILURE);
}
+ if (eval && apply)
+ {
+ message (true, ("%s: can't pass both --eval and --apply\n"
+ "Try '%s --help' for more information\n"),
+ progname, progname);
+ exit (EXIT_FAILURE);
+ }
+
#ifdef SOCKETS_IN_FILE_SYSTEM
if (tty)
{
@@ -2080,6 +2097,13 @@ main (int argc, char **argv)
send_to_emacs (emacs_socket, " ");
continue;
}
+ else if (apply)
+ {
+ send_to_emacs (emacs_socket, "-applyarg ");
+ quote_argument (emacs_socket, argv[i]);
+ send_to_emacs (emacs_socket, " ");
+ continue;
+ }
char *p = argv[i];
if (*p == '+')
@@ -2136,10 +2160,18 @@ main (int argc, char **argv)
send_to_emacs (emacs_socket, " ");
}
+ if (apply)
+ {
+ send_to_emacs (emacs_socket, "-apply ");
+ quote_argument (emacs_socket, apply);
+ send_to_emacs (emacs_socket, " ");
+ }
+
+
send_to_emacs (emacs_socket, "\n");
/* Wait for an answer. */
- if (!eval && !tty && !nowait && !quiet && 0 <= process_grouping ())
+ if (!eval && !apply && !tty && !nowait && !quiet && 0 <= process_grouping ())
{
printf ("Waiting for Emacs...");
skiplf = false;
diff --git a/lisp/server.el b/lisp/server.el
index c3325e5a24c..5981e90625d 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -873,6 +873,17 @@ server-eval-and-print
(point-min) (point-max))))
(server-reply-print (server-quote-arg text) proc)))))))
+(defun server-apply-and-print (func args proc)
+ "Call FUNC on ARGS and send the result back to client PROC."
+ (let ((v (with-local-quit (eval (apply (intern func) args) t))))
+ (when proc
+ (with-temp-buffer
+ (let ((standard-output (current-buffer)))
+ (pp v)
+ (let ((text (buffer-substring-no-properties
+ (point-min) (point-max))))
+ (server-reply-print (server-quote-arg text) proc)))))))
+
(defconst server-msg-size 1024
"Maximum size of a message sent to a client.")
@@ -1196,6 +1207,7 @@ server-process-filter
tty-type ; string.
files
filepos
+ applyargs
args-left)
;; Remove this line from STRING.
(setq string (substring string (match-end 0)))
@@ -1323,6 +1335,28 @@ server-process-filter
commands)
(setq filepos nil)))
+ ;; -apply FUNC: Call a function on arguments.
+ ("-apply"
+ (if use-current-frame
+ (setq use-current-frame 'always))
+ (let ((func (pop args-left)))
+ (if coding-system
+ (setq func (decode-coding-string func coding-system)))
+ (push (lambda () (server-apply-and-print func applyargs proc))
+ commands)
+ (setq applyargs nil)
+ (setq filepos nil)))
+
+ ;; -applyarg ARG: Add an argument for later -apply.
+ ("-applyarg"
+ (if use-current-frame
+ (setq use-current-frame 'always))
+ (let ((arg (pop args-left)))
+ (if coding-system
+ (setq arg (decode-coding-string arg coding-system)))
+ (push arg applyargs)
+ (setq filepos nil)))
+
;; -env NAME=VALUE: An environment variable.
("-env"
(let ((var (pop args-left)))
diff --git a/lisp/startup.el b/lisp/startup.el
index 7f601668369..bb8da76bdf1 100644
--- a/lisp/startup.el
+++ b/lisp/startup.el
@@ -2531,10 +2531,11 @@ command-line-1
;; straight away upon any --directory/-L option.
splice
just-files ;; t if this follows the magic -- option.
+ applysym applyargs ;; function and arguments for --apply
;; This includes our standard options' long versions
;; and long versions of what's on command-switch-alist.
(longopts
- (append '("--funcall" "--load" "--insert" "--kill"
+ (append '("--funcall" "--apply" "--load" "--insert" "--kill"
"--dump-file" "--seccomp"
"--directory" "--eval" "--execute" "--no-splash"
"--find-file" "--visit" "--file" "--no-desktop")
@@ -2632,6 +2633,11 @@ command-line-1
(command-execute tem)
(funcall tem)))
+ ((member argi '("-y" "-apply"))
+ (setq inhibit-startup-screen t)
+ ;; Subsequent file args will be accumulated into applyargs.
+ (setq applysym (intern (or argval (pop command-line-args-left)))))
+
((member argi '("-eval" "-execute"))
(setq inhibit-startup-screen t)
(let* ((str-expr (or argval (pop command-line-args-left)))
@@ -2763,13 +2769,19 @@ command-line-1
;; screen for -nw?
(unless initial-window-system
(setq inhibit-startup-screen t))
- (funcall process-file-arg orig-argi)))))
+ (if applysym
+ (push orig-argi applyargs)
+ (funcall process-file-arg orig-argi))))))
;; In unusual circumstances, the execution of Lisp code due
;; to command-line options can cause the last visible frame
;; to be deleted. In this case, kill emacs to avoid an
;; abort later.
- (unless (frame-live-p (selected-frame)) (kill-emacs nil)))))))
+ (unless (frame-live-p (selected-frame)) (kill-emacs nil))))
+
+ ;; Call the function specified with --apply, if any.
+ (when applysym
+ (apply applysym (nreverse applyargs))))))
(when (eq initial-buffer-choice t)
;; When `initial-buffer-choice' equals t make sure that *scratch*
diff --git a/src/emacs.c b/src/emacs.c
index 80a013b68df..8de40936250 100644
--- a/src/emacs.c
+++ b/src/emacs.c
@@ -323,6 +323,8 @@ #define MAIN_PROGRAM
--file FILE visit FILE\n\
--find-file FILE visit FILE\n\
--funcall, -f FUNC call Emacs Lisp function FUNC with no arguments\n\
+--apply, -y FUNC call Emacs Lisp function FUNC, passing\n\
+ subsequent positional FILE arguments as strings\n\
--insert FILE insert contents of FILE into current buffer\n\
--kill exit without asking for confirmation\n\
--load, -l FILE load Emacs Lisp FILE using the load function\n\
@@ -2648,6 +2650,7 @@ main (int argc, char **argv)
option. In any case, this is entirely an internal option. */
{ "-scriptload", NULL, 0, 1 },
{ "-f", "--funcall", 0, 1 },
+ { "-y", "--apply", 0, 1 },
{ "-funcall", 0, 0, 1 },
{ "-eval", "--eval", 0, 1 },
{ "-execute", "--execute", 0, 1 },
--
2.41.0
--=-=-=--
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 12:42:13 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 08:42:13 2023 Received: from localhost ([127.0.0.1]:32875 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgPC8-00073A-UJ for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 08:42:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44542) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgPC7-00072w-EG for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 08:42:11 -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 <eliz@HIDDEN>) id 1qgPBw-0007IP-Px; Wed, 13 Sep 2023 08:42:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=igVt/CkB7sj/V6HV3fzap9x6fsFrq6v3ogBh9bLEItc=; b=eiLTHhjqbbVQ Y6MpTnB/db5+8jd+rdzuhFE9SMFxcOiePEU9yfKQ4wp30ZOqyGYKjFD2SLNxYfaZ7R1dJwnH5Bw2U G+9MxFypceAEiqqq9tB+kzwgZI+ePVOJtNx34qPzXAnWZOYgYHQxL/w7bR1+QPwHDTWGMxdhDcVMX suq2rUaq8sbUz4J9OOG0+yVEoJuw8v9PrnuRykd7jkII2jLumEjdiOdqQ2NcMHX5PatR/ORbnIOzC C+oEVe7bpGqzbw7uidcr5wQKvPS86TN5FTggg5kYxcp4BOlN5JTfxJfmNiL+qXYyq6akNZ505MmUN Igny3fS/UQ6WWInSogalQQ==; Date: Wed, 13 Sep 2023 15:41:48 +0300 Message-Id: <83edj2nt2r.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Jim Porter <jporterbugs@HIDDEN> In-Reply-To: <d796795f-7900-9140-8443-12f812cf8983@HIDDEN> (message from Jim Porter on Tue, 12 Sep 2023 20:46:54 -0700) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN> <d796795f-7900-9140-8443-12f812cf8983@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: sbaugh@HIDDEN, 65902 <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: -3.3 (---) > Date: Tue, 12 Sep 2023 20:46:54 -0700 > From: Jim Porter <jporterbugs@HIDDEN> > > On 9/12/2023 7:30 PM, sbaugh@HIDDEN wrote: > > tags 65902 + patch > > quit > > > > This patch avoids the complicated scripting needed for > > emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall, > > which mirrors emacs --funcall and allows emacsclient-mail.desktop to be > > basically the same as emacs-mail.desktop. > > I think this is actually the same as the (very long) bug#57752, so > thanks for working on this. (It was on my list of things to get to, but > I just haven't had time.) > > Over there, we agreed that something like your patch is wanted, albeit > with two caveats: > > 1. Since "--funcall" for the regular "emacs" binary doesn't pass > arguments to the function, how about we call this option "--apply" instead? > > 2. It would be great if we could get "--apply" for the regular "emacs" > binary too, so that both programs work the same way (at least in this > regard). Even better, if you could forward "--apply" from "emacsclient" > to the alternate editor (which would be "emacs" 99% of the time) > automatically. That works, in a roundabout way, for the Emacs daemon, > but not if the alternate editor is "emacs". This is how that bug's discussion started. Are we going to have it all one more time?
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.Received: (at 65902) by debbugs.gnu.org; 13 Sep 2023 12:41:35 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 13 08:41:34 2023 Received: from localhost ([127.0.0.1]:32866 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qgPBW-00071S-IO for submit <at> debbugs.gnu.org; Wed, 13 Sep 2023 08:41:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:49206) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qgPBU-00071G-So for 65902 <at> debbugs.gnu.org; Wed, 13 Sep 2023 08:41:34 -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 <eliz@HIDDEN>) id 1qgPBK-0007D0-2f; Wed, 13 Sep 2023 08:41:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=v4lN26fQLkJh8me+5Z3njqz9SrwklSYjbGCWvgj0aF8=; b=FPlIceSHgsbS jfthhY2VWirkZGoHsjFoVlwtRDQgx6Ecfcl5jfi5f8/XQX10ds6OnrYk3EQu6J1zKI/KSJPOc8RlH EIg0zYD30xE3kdgdqcJA88P4nzn2TE6aB0V8CpxIwreNicpiMYg4fVrfGk4D+6b9q6Jv5zRTGg7Iq FSYtGoDd6nDjuEamBAau6wXQqeUB8hdKwrwwHoozfDjt+kdb18/8c8hX+cMfdMylFdSP3ZdfqBGxf U2Wgzpdg4AyBc4LgaJB1wtIsguK9pBv/MIX1XK66pxHzpVkpgtkBbRwdkf6tlDgLoF8x4Z8G8eWZk uprisk7Tf7OvEs/JxpwFXA==; Date: Wed, 13 Sep 2023 15:41:10 +0300 Message-Id: <83fs3int3t.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: sbaugh@HIDDEN In-Reply-To: <87v8ceu7o0.fsf@HIDDEN> (sbaugh@HIDDEN) Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 65902 Cc: 65902 <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: -3.3 (---) > From: sbaugh@HIDDEN > Date: Wed, 13 Sep 2023 02:30:08 +0000 (UTC) > > This patch avoids the complicated scripting needed for > emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall, > which mirrors emacs --funcall and allows emacsclient-mail.desktop to be > basically the same as emacs-mail.desktop. > > I expect this to also be useful in other places; the need to escape > arbitrary inputs before passing them to emacsclient is frequently > annoying. Is quoting the only issue with --eval? If so, why not have a variant of --eval that quotes the argument by itself, like you do in the patch, i.e. by using quote_argument, instead of inventing yet another weird option with its own small DSL and extra-special rules of how to write the command line with it? More generally, I cannot say I'm happy that we basically are reiterating everything that was said in bug#57752 instead of picking up where it left off. Why is it useful to have another discussion like that one (which will probably end up at the same impasse)?
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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From: Robert Pluim <rpluim@HIDDEN>
To: Jim Porter <jporterbugs@HIDDEN>
Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to
complicated escaping
In-Reply-To: <d796795f-7900-9140-8443-12f812cf8983@HIDDEN> (Jim Porter's
message of "Tue, 12 Sep 2023 20:46:54 -0700")
References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN>
<d796795f-7900-9140-8443-12f812cf8983@HIDDEN>
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>>>>> On Tue, 12 Sep 2023 20:46:54 -0700, Jim Porter <jporterbugs@HIDDEN> said:
Jim> On 9/12/2023 7:30 PM, sbaugh@HIDDEN wrote:
>> tags 65902 + patch
>> quit
>> This patch avoids the complicated scripting needed for
>> emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall,
>> which mirrors emacs --funcall and allows emacsclient-mail.desktop to be
>> basically the same as emacs-mail.desktop.
Jim> I think this is actually the same as the (very long) bug#57752, so
Jim> thanks for working on this. (It was on my list of things to get to,
Jim> but I just haven't had time.)
57752 got bogged down in design paralysis :-)
The idea looks good to me.
Jim> Over there, we agreed that something like your patch is wanted, albeit
Jim> with two caveats:
Jim> 1. Since "--funcall" for the regular "emacs" binary doesn't pass
Jim> arguments to the function, how about we call this option "--apply"
Jim> instead?
Yes, that sounds right.
Jim> 2. It would be great if we could get "--apply" for the regular "emacs"
Jim> binary too, so that both programs work the same way (at least in this
Jim> regard). Even better, if you could forward "--apply" from
Jim> "emacsclient" to the alternate editor (which would be "emacs" 99% of
Jim> the time) automatically. That works, in a roundabout way, for the
Jim> Emacs daemon, but not if the alternate editor is "emacs".
Consistency would be good here.
Robert
--
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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[76.168.148.233]) by smtp.googlemail.com with ESMTPSA id h4-20020a170902f54400b001b8c689060dsm9285425plf.28.2023.09.12.20.46.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 12 Sep 2023 20:46:55 -0700 (PDT) Message-ID: <d796795f-7900-9140-8443-12f812cf8983@HIDDEN> Date: Tue, 12 Sep 2023 20:46:54 -0700 MIME-Version: 1.0 Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping To: sbaugh@HIDDEN, 65902 <at> debbugs.gnu.org References: <871qf2vmi4.fsf@HIDDEN> <87v8ceu7o0.fsf@HIDDEN> Content-Language: en-US From: Jim Porter <jporterbugs@HIDDEN> In-Reply-To: <87v8ceu7o0.fsf@HIDDEN> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 65902 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 (-) On 9/12/2023 7:30 PM, sbaugh@HIDDEN wrote: > tags 65902 + patch > quit > > This patch avoids the complicated scripting needed for > emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall, > which mirrors emacs --funcall and allows emacsclient-mail.desktop to be > basically the same as emacs-mail.desktop. I think this is actually the same as the (very long) bug#57752, so thanks for working on this. (It was on my list of things to get to, but I just haven't had time.) Over there, we agreed that something like your patch is wanted, albeit with two caveats: 1. Since "--funcall" for the regular "emacs" binary doesn't pass arguments to the function, how about we call this option "--apply" instead? 2. It would be great if we could get "--apply" for the regular "emacs" binary too, so that both programs work the same way (at least in this regard). Even better, if you could forward "--apply" from "emacsclient" to the alternate editor (which would be "emacs" 99% of the time) automatically. That works, in a roundabout way, for the Emacs daemon, but not if the alternate editor is "emacs".
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.sbaugh@HIDDEN
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From: sbaugh@HIDDEN
Subject: Re: bug#65902: 29.0.92; emacsclient-mail.desktop fails due to
complicated escaping
In-Reply-To: <871qf2vmi4.fsf@HIDDEN> (sbaugh@HIDDEN's message of "Wed,
13 Sep 2023 02:24:20 +0000 (UTC)")
References: <871qf2vmi4.fsf@HIDDEN>
Date: Wed, 13 Sep 2023 02:30:08 +0000 (UTC)
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--=-=-=
Content-Type: text/plain; charset=us-ascii
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tags 65902 + patch
quit
This patch avoids the complicated scripting needed for
emacsclient-mail.desktop by adding a new flag to emacsclient, --funcall,
which mirrors emacs --funcall and allows emacsclient-mail.desktop to be
basically the same as emacs-mail.desktop.
I expect this to also be useful in other places; the need to escape
arbitrary inputs before passing them to emacsclient is frequently
annoying.
--=-=-=
Content-Type: text/x-patch
Content-Disposition: inline;
filename=0001-Add-funcall-to-emacsclient-to-avoid-escaping-argumen.patch
From 6c9dbda3aa5e3f1e3a5003bc0a15cf662b880d99 Mon Sep 17 00:00:00 2001
From: Spencer Baugh <sbaugh@HIDDEN>
Date: Tue, 12 Sep 2023 22:20:15 -0400
Subject: [PATCH] Add --funcall to emacsclient to avoid escaping arguments
Passing arguments to functions through emacsclient --eval requires
complicated escaping (as seen in emacsclient-mail.desktop before this
change). The new --funcall argument behaves like emacs -f, and just
passes the arguments as uninterpreted strings to the specified
function. This simplifies use cases where arbitrary input needs to be
passed to emacsclient.
* etc/emacsclient-mail.desktop: Use --funcall. (bug#65902)
* lib-src/emacsclient.c (longopts, decode_options, main): Add support
for --funcall.
* lisp/server.el (server-funcall-and-print): Add.
(server-process-filter): Add support for -funcall and -funcallargs
---
etc/emacsclient-mail.desktop | 7 ++-----
lib-src/emacsclient.c | 36 ++++++++++++++++++++++++++++++++++--
lisp/server.el | 34 ++++++++++++++++++++++++++++++++++
3 files changed, 70 insertions(+), 7 deletions(-)
diff --git a/etc/emacsclient-mail.desktop b/etc/emacsclient-mail.desktop
index 0a2420ddead..fc6773a963b 100644
--- a/etc/emacsclient-mail.desktop
+++ b/etc/emacsclient-mail.desktop
@@ -1,10 +1,7 @@
[Desktop Entry]
Categories=Network;Email;
Comment=GNU Emacs is an extensible, customizable text editor - and more
-# We want to pass the following commands to the shell wrapper:
-# u=$(echo "$1" | sed 's/[\"]/\\&/g'); exec emacsclient --alternate-editor= --display="$DISPLAY" --eval "(message-mailto \"$u\")"
-# Special chars '"', '$', and '\' must be escaped as '\\"', '\\$', and '\\\\'.
-Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --display=\\"\\$DISPLAY\\" --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u
+Exec=emacsclient --alternate-editor= --funcall message-mailto %u
Icon=emacs
Name=Emacs (Mail, Client)
MimeType=x-scheme-handler/mailto;
@@ -16,7 +13,7 @@ Actions=new-window;new-instance;
[Desktop Action new-window]
Name=New Window
-Exec=sh -c "u=\\$(echo \\"\\$1\\" | sed 's/[\\\\\\"]/\\\\\\\\&/g'); exec emacsclient --alternate-editor= --create-frame --eval \\"(message-mailto \\\\\\"\\$u\\\\\\")\\"" sh %u
+Exec=emacsclient --alternate-editor= --create-frame --funcall message-mailto %u
[Desktop Action new-instance]
Name=New Instance
diff --git a/lib-src/emacsclient.c b/lib-src/emacsclient.c
index 698bf9b50ae..5bf6c05ef37 100644
--- a/lib-src/emacsclient.c
+++ b/lib-src/emacsclient.c
@@ -116,6 +116,9 @@ #define DEFAULT_TIMEOUT (30)
/* True means args are expressions to be evaluated. --eval. */
static bool eval;
+/* The function to call. Other arguments are passed as strings. --funcall. */
+static char *funcall;
+
/* True means open a new frame. --create-frame etc. */
static bool create_frame;
@@ -169,6 +172,7 @@ #define DEFAULT_TIMEOUT (30)
{ "quiet", no_argument, NULL, 'q' },
{ "suppress-output", no_argument, NULL, 'u' },
{ "eval", no_argument, NULL, 'e' },
+ { "funcall", required_argument, NULL, 'l' },
{ "help", no_argument, NULL, 'H' },
{ "version", no_argument, NULL, 'V' },
{ "tty", no_argument, NULL, 't' },
@@ -552,6 +556,10 @@ decode_options (int argc, char **argv)
eval = true;
break;
+ case 'l':
+ funcall = optarg;
+ break;
+
case 'q':
quiet = true;
break;
@@ -690,6 +698,7 @@ print_help_and_exit (void)
-F ALIST, --frame-parameters=ALIST\n\
Set the parameters of a new frame\n\
-e, --eval Evaluate the FILE arguments as ELisp expressions\n\
+-l, --funcall FUNC Call ELisp FUNC, passing FILE arguments as strings\n\
-n, --no-wait Don't wait for the server to return\n\
-w, --timeout=SECONDS Seconds to wait before timing out\n\
-q, --quiet Don't display messages on success\n\
@@ -1953,7 +1962,7 @@ main (int argc, char **argv)
/* Process options. */
decode_options (argc, argv);
- if (! (optind < argc || eval || create_frame))
+ if (! (optind < argc || eval || funcall || create_frame))
{
message (true, ("%s: file name or argument required\n"
"Try '%s --help' for more information\n"),
@@ -1961,6 +1970,14 @@ main (int argc, char **argv)
exit (EXIT_FAILURE);
}
+ if (eval && funcall)
+ {
+ message (true, ("%s: can't pass both --eval and --funcall\n"
+ "Try '%s --help' for more information\n"),
+ progname, progname);
+ exit (EXIT_FAILURE);
+ }
+
#ifdef SOCKETS_IN_FILE_SYSTEM
if (tty)
{
@@ -2080,6 +2097,13 @@ main (int argc, char **argv)
send_to_emacs (emacs_socket, " ");
continue;
}
+ else if (funcall)
+ {
+ send_to_emacs (emacs_socket, "-funcallarg ");
+ quote_argument (emacs_socket, argv[i]);
+ send_to_emacs (emacs_socket, " ");
+ continue;
+ }
char *p = argv[i];
if (*p == '+')
@@ -2136,10 +2160,18 @@ main (int argc, char **argv)
send_to_emacs (emacs_socket, " ");
}
+ if (funcall)
+ {
+ send_to_emacs (emacs_socket, "-funcall ");
+ quote_argument (emacs_socket, funcall);
+ send_to_emacs (emacs_socket, " ");
+ }
+
+
send_to_emacs (emacs_socket, "\n");
/* Wait for an answer. */
- if (!eval && !tty && !nowait && !quiet && 0 <= process_grouping ())
+ if (!eval && !funcall && !tty && !nowait && !quiet && 0 <= process_grouping ())
{
printf ("Waiting for Emacs...");
skiplf = false;
diff --git a/lisp/server.el b/lisp/server.el
index c3325e5a24c..da3319581ea 100644
--- a/lisp/server.el
+++ b/lisp/server.el
@@ -873,6 +873,17 @@ server-eval-and-print
(point-min) (point-max))))
(server-reply-print (server-quote-arg text) proc)))))))
+(defun server-funcall-and-print (func args proc)
+ "Call FUNC on ARGS and send the result back to client PROC."
+ (let ((v (with-local-quit (eval (apply (intern func) args) t))))
+ (when proc
+ (with-temp-buffer
+ (let ((standard-output (current-buffer)))
+ (pp v)
+ (let ((text (buffer-substring-no-properties
+ (point-min) (point-max))))
+ (server-reply-print (server-quote-arg text) proc)))))))
+
(defconst server-msg-size 1024
"Maximum size of a message sent to a client.")
@@ -1196,6 +1207,7 @@ server-process-filter
tty-type ; string.
files
filepos
+ funcallargs
args-left)
;; Remove this line from STRING.
(setq string (substring string (match-end 0)))
@@ -1323,6 +1335,28 @@ server-process-filter
commands)
(setq filepos nil)))
+ ;; -funcall FUNC: Call a function on arguments.
+ ("-funcall"
+ (if use-current-frame
+ (setq use-current-frame 'always))
+ (let ((func (pop args-left)))
+ (if coding-system
+ (setq func (decode-coding-string func coding-system)))
+ (push (lambda () (server-funcall-and-print func funcallargs proc))
+ commands)
+ (setq funcallargs nil)
+ (setq filepos nil)))
+
+ ;; -funcallarg ARG: Add an argument for later -funcall.
+ ("-funcallarg"
+ (if use-current-frame
+ (setq use-current-frame 'always))
+ (let ((arg (pop args-left)))
+ (if coding-system
+ (setq arg (decode-coding-string arg coding-system)))
+ (push arg funcallargs)
+ (setq filepos nil)))
+
;; -env NAME=VALUE: An environment variable.
("-env"
(let ((var (pop args-left)))
--
2.41.0
--=-=-=--
bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
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From: sbaugh@HIDDEN
Subject: 29.0.92; emacsclient-mail.desktop fails due to complicated escaping
Date: Wed, 13 Sep 2023 02:24:20 +0000 (UTC)
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Content preview: The emacsclient-mail.desktop file fails on my system with
the following error: "$1": -c: line 2: unexpected EOF while looking for
matching
`)' My subsequent mail will fix this also vastly simplify
emacsclient-mail.desktop
by adding a new feature to emacsclient to avoid the need for complex escaping.
Content analysis details: (2.2 points, 10.0 required)
pts rule name description
---- ---------------------- --------------------------------------------------
1.2 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in
bl.spamcop.net
[Blocked - see <https://www.spamcop.net/bl.shtml?149.72.126.143>]
-0.0 SPF_HELO_PASS SPF: HELO matches SPF record
1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail)
0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay
lines
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Content preview: The emacsclient-mail.desktop file fails on my system with
the following error: "$1": -c: line 2: unexpected EOF while looking for matching
`)' My subsequent mail will fix this also vastly simplify emacsclient-mail.desktop
by adding a new feature to emacsclient to avoid the need for complex escaping.
Content analysis details: (1.2 points, 10.0 required)
pts rule name description
---- ---------------------- --------------------------------------------------
1.2 RCVD_IN_BL_SPAMCOP_NET RBL: Received via a relay in
bl.spamcop.net
[Blocked - see <https://www.spamcop.net/bl.shtml?149.72.126.143>]
-0.0 SPF_HELO_PASS SPF: HELO matches SPF record
1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail)
0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay
lines
-1.0 MAILING_LIST_MULTI Multiple indicators imply a widely-seen list
manager
The emacsclient-mail.desktop file fails on my system with the following
error:
"$1": -c: line 2: unexpected EOF while looking for matching `)'
My subsequent mail will fix this also vastly simplify
emacsclient-mail.desktop by adding a new feature to emacsclient to avoid
the need for complex escaping.
In GNU Emacs 29.0.92 (build 68, x86_64-pc-linux-gnu, X toolkit, cairo
version 1.16.0, Xaw3d scroll bars) of 2023-07-15 built on earth
Repository revision: 36d3460f9f6064c03fd88e0c969c8e4f4d645235
Repository branch: emacs-29
Windowing system distributor 'The X.Org Foundation', version 11.0.12101008
System Description: NixOS 23.05 (Stoat)
Configured using:
'configure --cache-file=3Dconfig.cache --with-x-toolkit=3Dlucid
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CXX=3Dg++'
Configured features:
CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG JSON
LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES NOTIFY INOTIFY
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Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Diff
Minor modes in effect:
whitespace-mode: t
envrc-global-mode: t
envrc-mode: t
global-git-commit-mode: t
magit-auto-revert-mode: t
shell-dirtrack-mode: t
server-mode: t
windmove-mode: t
pixel-scroll-precision-mode: t
savehist-mode: t
save-place-mode: t
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auto-encryption-mode: t
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Load-path shadows:
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/emacs/emacs-29/lisp/transient
Features:
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org-pcomplete org-list org-footnote org-faces org-entities ob-python
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vc-dispatcher dired-aux dired-x ffap sh-script smie treesit executable
project files-x face-remap exwm-randr xcb-randr exwm exwm-input
xcb-keysyms xcb-xkb exwm-manage exwm-floating xcb-cursor xcb-render
exwm-layout exwm-workspace exwm-core xcb-ewmh xcb-icccm xcb xcb-xproto
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magit-process with-editor shell pcomplete comint ansi-osc server
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format-spec magit-git magit-section magit-utils crm dash windmove
easy-mmode pixel-scroll cua-base ring modus-vivendi-theme modus-themes
pcase cus-edit pp cus-load icons wid-edit savehist saveplace finder-inf
ace-window-autoloads auctex-autoloads tex-site avy-autoloads
circe-autoloads corfu-autoloads compat-autoloads csv-mode-autoloads
cyberpunk-theme-autoloads debbugs-autoloads eat-autoloads
envrc-autoloads exwm-autoloads ggtags-autoloads
graphviz-dot-mode-autoloads htmlize-autoloads inheritenv-autoloads
magit-autoloads git-commit-autoloads markdown-mode-autoloads
mastodon-autoloads mentor-autoloads async-autoloads mpv-autoloads
nix-mode-autoloads magit-section-autoloads dash-autoloads
notmuch-autoloads persist-autoloads request-autoloads
rust-mode-autoloads transient-autoloads url-scgi-autoloads
vundo-autoloads which-key-autoloads info with-editor-autoloads
xelb-autoloads xml-rpc-autoloads package browse-url url url-proxy
url-privacy url-expand url-methods url-history url-cookie
generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse
auth-source cl-seq eieio eieio-core cl-macs password-cache json subr-x
map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib rmc
iso-transl tooltip cconv eldoc paren electric uniquify ediff-hook
vc-hooks lisp-float-type elisp-mode mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode lisp-mode prog-mode register
page tab-bar menu-bar rfn-eshadow isearch easymenu timer select
scroll-bar mouse jit-lock font-lock syntax font-core term/tty-colors
frame minibuffer nadvice seq simple cl-generic indonesian philippine
cham georgian utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao
korean japanese eucjp-ms cp51932 hebrew greek romanian slovak czech
european ethiopic indian cyrillic chinese composite emoji-zwj charscript
charprop case-table epa-hook jka-cmpr-hook help abbrev obarray oclosure
cl-preloaded button loaddefs theme-loaddefs faces cus-face macroexp
files window text-properties overlay sha1 md5 base64 format env
code-pages mule custom widget keymap hashtable-print-readable backquote
threads dbusbind inotify dynamic-setting system-font-setting
font-render-setting cairo x-toolkit x multi-tty make-network-process
emacs)
Memory information:
((conses 16 793112 58580)
(symbols 48 42890 0)
(strings 32 165901 6428)
(string-bytes 1 8295556)
(vectors 16 90751)
(vector-slots 8 2007121 64111)
(floats 8 418 578)
(intervals 56 43463 2379)
(buffers 984 111))
sbaugh@HIDDEN:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#65902; Package emacs.
Full text available.
GNU bug tracking system
Copyright (C) 1999 Darren O. Benham,
1997 nCipher Corporation Ltd,
1994-97 Ian Jackson.