From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philipp Stephani Newsgroups: gmane.emacs.bugs Subject: bug#44942: 28.0.50; Emacs should print a backtrace on uncaught errors in batch mode Date: Mon, 7 Dec 2020 12:07:48 +0100 Message-ID: References: <83lfeaan04.fsf@gnu.org> <1DC46C7A-D0A8-4B92-84FE-3ABA2F6A6624@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="25688"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 44942@debbugs.gnu.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Dec 07 12:10:09 2020 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kmEP9-0006ZB-Sn for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 07 Dec 2020 12:10:07 +0100 Original-Received: from localhost ([::1]:42038 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kmEP8-0007e6-V0 for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 07 Dec 2020 06:10:06 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:35524) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kmEO7-0007dx-0L for bug-gnu-emacs@gnu.org; Mon, 07 Dec 2020 06:09:03 -0500 Original-Received: from debbugs.gnu.org ([209.51.188.43]:41052) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kmEO5-0000Zs-PV for bug-gnu-emacs@gnu.org; Mon, 07 Dec 2020 06:09:02 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1kmEO5-0000yD-LF for bug-gnu-emacs@gnu.org; Mon, 07 Dec 2020 06:09:01 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Philipp Stephani Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 07 Dec 2020 11:09:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 44942 X-GNU-PR-Package: emacs Original-Received: via spool by 44942-submit@debbugs.gnu.org id=B44942.16073392873661 (code B ref 44942); Mon, 07 Dec 2020 11:09:01 +0000 Original-Received: (at 44942) by debbugs.gnu.org; 7 Dec 2020 11:08:07 +0000 Original-Received: from localhost ([127.0.0.1]:52598 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmENC-0000wz-Mv for submit@debbugs.gnu.org; Mon, 07 Dec 2020 06:08:06 -0500 Original-Received: from mail-ot1-f43.google.com ([209.85.210.43]:37345) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1kmENB-0000wU-5i for 44942@debbugs.gnu.org; Mon, 07 Dec 2020 06:08:05 -0500 Original-Received: by mail-ot1-f43.google.com with SMTP id o11so9391091ote.4 for <44942@debbugs.gnu.org>; Mon, 07 Dec 2020 03:08:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=3bxiF0LlQLurdPsGSrFV6l7FwgzAB4FDziD2ZMYDHsM=; b=AleGNj2m5iRafFVNDJ2eU1LHzXT2zPi95UdTBOwW6vvASz4jYbXDmM4hZ/5H2zpQlC 9qr2aKahPgmbSmb1tYXHT3K7+YLhXtubCuOhqeQrif7qI/RmwnyWBpngVh4grBI1aNk8 n13120PLMb/njnEVGVJLJ6Lk+nqFa+HVFqH0q7+lmWLMS1Dp/n7B96PFwfjyfM8YF7Rq Z+fJcKTLYkcVW690hwv9SIesDIy9By0noJgUTGGbb1RhUNEgOQ9aKuzGzSStelilsIzb 7Mv+z6leyQH5EY5J2MITF48JqYOIhiggGcrCXoOKXI32x4bZDrhUn+uT19jQlEfiptWe naOQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=3bxiF0LlQLurdPsGSrFV6l7FwgzAB4FDziD2ZMYDHsM=; b=ulbHgxQD/WtlgzSgAYMixjYIBkJJLU40q8bSubgTmsYx/0B19ttdEnAsKhTfWSJ7dz Htd9DQVYqySXMJFR9ytmgjVOjVmQexSNn6xqgNucNFB2BnEsiMLVWUCo8mMMJifJ5WMc d6mcX8YThGkAlJS3wckM6kgu8KD38wOmdxEaUj15D39LDCO0Ji2otghnSzygPwPFhl1T x5U8rRx4JSbe1FbRAAPhYYxk8os6CFV9puEnqHU1lAo8RfuzYqbxlEwQB7U3luKI0bOv 0xA1NsfufIsYzQFUarQHJLpfZN0Ypktg5r19RDQ19CVDF+DjZyIgVuLfQ/sgeKVCkD4G aLNw== X-Gm-Message-State: AOAM532x2HXHsx0Vh4s5C6Dcu8JdBtLcc5gnK/NTjVju3/ZG+b/MtElB BIFTjwQtUpPEAIMgKi0oh6+q/6LKlbud8/oZZK0= X-Google-Smtp-Source: ABdhPJw54PR0VGp3g8Vd/im5ZQVi5U4rlvF1swnjldejUyTDpqP8ZZw6EmvScBFuIl2aJGYQI8xDhzrBL6wFLS5WsHg= X-Received: by 2002:a9d:269:: with SMTP id 96mr12388679otb.174.1607339279514; Mon, 07 Dec 2020 03:07:59 -0800 (PST) In-Reply-To: <1DC46C7A-D0A8-4B92-84FE-3ABA2F6A6624@gnu.org> X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:195218 Archived-At: Am Mo., 7. Dez. 2020 um 11:42 Uhr schrieb Eli Zaretskii : > > On December 7, 2020 12:29:16 PM GMT+02:00, Philipp Stephani wrote: > > Am So., 6. Dez. 2020 um 18:00 Uhr schrieb Eli Zaretskii > > : > > > > > > > From: Philipp Stephani > > > > Date: Sun, 6 Dec 2020 17:50:17 +0100 > > > > > > > > Am So., 29. Nov. 2020 um 16:27 Uhr schrieb Philipp Stephani > > > > : > > > > > > > > > Pushed to master as commit 40e11743ca. > > > > > > This is an incompatible change. > > > > Is it? In other words, do we guarantee that no stack trace is being > > printed if debug-on-error is nil? I'd say that parsing error messages > > is brittle anyway, and we're not obliged to provide stable output > > The behavior did change. Since Emacs doesn't have a formal spec its long-time behavior is a de-facto standard we should strive hard not to break. As Stefan just pointed out, this change already broke 2 tests if we need any proof. > > > > Is there a way to get back previous > > > behavior? If so, please mention that in NEWS; if not, let's please > > > provide a way to get back the old behavior. > > > > I'd be OK adding a variable for this, but on the other hand I'm not > > really convinced that this is really a breaking change (see above). > > Yes, we do need to be able to get back the old bdhavior. Fair enough, I've added a new boolean variable for this.