From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Paul Eggert Newsgroups: gmane.emacs.devel Subject: Re: Referring to revisions in the git future. Date: Fri, 31 Oct 2014 15:47:14 -0700 Organization: UCLA Computer Science Department Message-ID: <54541172.7010502@cs.ucla.edu> References: <20141028223312.GB6630@acm.acm> <87tx2n7qlg.fsf@wanadoo.es> <20141028230557.GC6630@acm.acm> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1414795686 24433 80.91.229.3 (31 Oct 2014 22:48:06 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Fri, 31 Oct 2014 22:48:06 +0000 (UTC) Cc: emacs-devel@gnu.org To: Alan Mackenzie Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Oct 31 23:47:59 2014 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 1XkKz8-0007ev-Jp for ged-emacs-devel@m.gmane.org; Fri, 31 Oct 2014 23:47:58 +0100 Original-Received: from localhost ([::1]:44465 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XkKz8-0001g1-8M for ged-emacs-devel@m.gmane.org; Fri, 31 Oct 2014 18:47:58 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:36118) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XkKyi-0001NE-HE for emacs-devel@gnu.org; Fri, 31 Oct 2014 18:47:39 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XkKyb-0006zw-1b for emacs-devel@gnu.org; Fri, 31 Oct 2014 18:47:32 -0400 Original-Received: from smtp.cs.ucla.edu ([131.179.128.62]:45109) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XkKya-0006zn-SI for emacs-devel@gnu.org; Fri, 31 Oct 2014 18:47:24 -0400 Original-Received: from localhost (localhost.localdomain [127.0.0.1]) by smtp.cs.ucla.edu (Postfix) with ESMTP id 19527A60010; Fri, 31 Oct 2014 15:47:23 -0700 (PDT) X-Virus-Scanned: amavisd-new at smtp.cs.ucla.edu Original-Received: from smtp.cs.ucla.edu ([127.0.0.1]) by localhost (smtp.cs.ucla.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id QURuas+OabI0; Fri, 31 Oct 2014 15:47:14 -0700 (PDT) Original-Received: from [192.168.1.9] (pool-71-177-17-123.lsanca.dsl-w.verizon.net [71.177.17.123]) by smtp.cs.ucla.edu (Postfix) with ESMTPSA id 66B6CA60008; Fri, 31 Oct 2014 15:47:14 -0700 (PDT) User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0 In-Reply-To: <20141028230557.GC6630@acm.acm> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 131.179.128.62 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:176178 Archived-At: Alan Mackenzie wrote: > We've more than one branch in our Emacs repository, yet the bzr revision > numbers are not in the slightest inconvenient. On more than one occasion they've been inconvenient to me, because I've mistakenly used a trunk bzr revno in a non-trunk branch, or vice versa. It's a natural mistake to make. >> there was some discussion on this list about using some >> tool-independent schema, using a combination of the author's e-mail and >> a timestamp. > > Are they going to enable the sort of conversation I exemplified above? Sure, if they catch on. If not, another common simplification is abbreviated hashes, as in the output of "git log --abbrev-commit". That way, instead of writing "04a4a930a63e7396976fc016661f8f466faa64e6" one can write "04a4a93". Abbreviated hashes are not perfect -- they're not sequential and in theory they can collide -- but in practice they work well enough.