From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Harald Hanche-Olsen Newsgroups: gmane.emacs.devel Subject: Re: [Emacs-diffs] master b6610d5 2/4: emacs-lisp/package.el: Refactor pre-execute prompt Date: Mon, 06 Apr 2015 18:54:51 +0200 Message-ID: <5522BA5B.8070102@math.ntnu.no> References: <20150406102057.929.89886@vcs.savannah.gnu.org> <5522653C.5010608@yandex.ru> <837ftpldok.fsf@gnu.org> <83r3rxjqbx.fsf@gnu.org> <5522ADDD.7010303@math.ntnu.no> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-Trace: ger.gmane.org 1428339312 22787 80.91.229.3 (6 Apr 2015 16:55:12 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Mon, 6 Apr 2015 16:55:12 +0000 (UTC) Cc: emacs-devel To: bruce.connor.am@gmail.com Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Mon Apr 06 18:55:12 2015 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 1YfAIo-0007aA-PQ for ged-emacs-devel@m.gmane.org; Mon, 06 Apr 2015 18:55:10 +0200 Original-Received: from localhost ([::1]:40890 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfAIo-0006me-5n for ged-emacs-devel@m.gmane.org; Mon, 06 Apr 2015 12:55:10 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49721) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfAIa-0006mL-2Z for emacs-devel@gnu.org; Mon, 06 Apr 2015 12:54:57 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YfAIZ-0005S2-5L for emacs-devel@gnu.org; Mon, 06 Apr 2015 12:54:56 -0400 Original-Received: from hylle06.itea.ntnu.no ([2001:700:300:3::235]:48853) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YfAIY-0005RM-Us for emacs-devel@gnu.org; Mon, 06 Apr 2015 12:54:55 -0400 Original-Received: from localhost (localhost [127.0.0.1]) by hylle06.itea.ntnu.no (Postfix) with ESMTP id 2062866AD0E; Mon, 6 Apr 2015 18:54:53 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at hylle06.itea.ntnu.no Original-Received: from [IPv6:2001:4662:4ffb::c35:78d:c6ff:48e4] (unknown [IPv6:2001:4662:4ffb:0:c35:78d:c6ff:48e4]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) (Authenticated sender: hanche) by hylle06.itea.ntnu.no (Postfix) with ESMTPSA id B7ADB66AD08; Mon, 6 Apr 2015 18:54:52 +0200 (CEST) User-Agent: Postbox 3.0.11 (Macintosh/20140602) In-Reply-To: X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2001:700:300:3::235 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 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-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:185047 Archived-At: Artur Malabarba wrote: > git bisect searches the history of a single branch, and the history of > each branch is linear. > > When you create other branches that doesn't affect the history of the > parent branch. And when you merge another branch onto the current one, > all it does is add a bunch of commits to it (which is linear). I don't understand. Say someone creates a branch foo from master. Then=20 each branch has several commits, and foo is merged into master. How do=20 you linearly order the commits that happened on the separate branches? As far as I understand the bisection method, it relies on a linear order=20 with this property: You are looking for a bug which was introduced at an=20 unknown commit B, and you need to be assured that the bug will be absent=20 in commit X if, and only if, X is before B in the linear order used. I=20 don't see how you can define such a linear order in the above scenario.=20 (We're assuming that the bug is present in X if and only if X is either=20 equal to B or a descendant of B.) =E2=80=93 Harald