From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.devel Subject: Re: Bisecting display bugs Date: Mon, 11 Jul 2016 20:54:42 +0300 Message-ID: <83eg70cb6l.fsf@gnu.org> References: <5782E073.6000505@gmail.com> <837fcsdzkj.fsf@gnu.org> <87lh18awzh.fsf@wanadoo.es> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: ger.gmane.org 1468259749 26921 80.91.229.3 (11 Jul 2016 17:55:49 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 11 Jul 2016 17:55:49 +0000 (UTC) Cc: emacs-devel@gnu.org To: =?utf-8?Q?=C3=93scar?= Fuentes Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Jul 11 19:55:44 2016 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1bMfQl-0002XM-Iw for ged-emacs-devel@m.gmane.org; Mon, 11 Jul 2016 19:55:43 +0200 Original-Received: from localhost ([::1]:35322 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMfQh-0003q7-OU for ged-emacs-devel@m.gmane.org; Mon, 11 Jul 2016 13:55:39 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:33186) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMfQY-0003q0-9a for emacs-devel@gnu.org; Mon, 11 Jul 2016 13:55:31 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bMfQT-00082e-41 for emacs-devel@gnu.org; Mon, 11 Jul 2016 13:55:29 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51163) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bMfQT-00082V-0e; Mon, 11 Jul 2016 13:55:25 -0400 Original-Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:4053 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from ) id 1bMfQN-0000OR-O1; Mon, 11 Jul 2016 13:55:23 -0400 In-reply-to: <87lh18awzh.fsf@wanadoo.es> (message from =?utf-8?Q?=C3=93sca?= =?utf-8?Q?r?= Fuentes on Mon, 11 Jul 2016 19:46:42 +0200) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:205558 Archived-At: > From: Óscar Fuentes > Date: Mon, 11 Jul 2016 19:46:42 +0200 > > Eli Zaretskii writes: > > [snip] > > >> +Some caveats: > >> + > >> +- This script cleans Emacs' source directory with ‘git clean -xfd’, so > >> + make sure your uncommitted changes are saved somewhere else. > > > > While bootstrapping after each step of bisect is safe, it makes the > > run much longer, so I'd try bisecting without a bootstrap first, > > especially if the range of commits to bisect is relatively small. > > Although that sounds good in principle, my experience tells me that > taking the short path does waste more time than it saves on this case. My experience is different. I almost never bootstrap. (I also keep past binaries, which allows a very fast pseudo-bisection.) > >> but some are only > >> +apparent through visual inspection. Since building Emacs takes a long > >> +time, it can be a pain to debug these manually. > > > > I don't follow this logic: building is an automated process, while > > visual inspection is usually very fast; the automated comparison > > you are about to suggest doesn't decrease the build time. So how does > > the conclusion follow? > > Because I have to be there in front of the terminal. No, you don't. While Emacs builds, you can do whatever else you need to do.