From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: "Eric S. Raymond" Newsgroups: gmane.emacs.devel Subject: Re: Converting bzr revision-IDs to action stamps (was: Bazaar references complicate the git transition) Date: Sat, 11 Jan 2014 18:45:06 -0500 Organization: Eric Conspiracy Secret Labs Message-ID: <20140111234506.GB18174@thyrsus.com> References: <20140111155429.1A12C3803A6@snark.thyrsus.com> <20140111172700.GA16151@thyrsus.com> <83fvou9yyu.fsf@gnu.org> <83eh4e9ysh.fsf@gnu.org> <20140111212640.GD17111@thyrsus.com> <87r48e3yuk.fsf_-_@slice.rozzin.com> Reply-To: esr@thyrsus.com NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Trace: ger.gmane.org 1389483918 31682 80.91.229.3 (11 Jan 2014 23:45:18 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 11 Jan 2014 23:45:18 +0000 (UTC) Cc: David Reitter , Eli Zaretskii , Emacs-Devel devel To: Joshua Judson Rosen Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Sun Jan 12 00:45:26 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 1W28F3-0003Pe-Lg for ged-emacs-devel@m.gmane.org; Sun, 12 Jan 2014 00:45:25 +0100 Original-Received: from localhost ([::1]:35898 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W28F1-0005ze-0W for ged-emacs-devel@m.gmane.org; Sat, 11 Jan 2014 18:45:23 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:39797) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W28Et-0005yf-TU for emacs-devel@gnu.org; Sat, 11 Jan 2014 18:45:20 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1W28Ep-0005SB-HZ for emacs-devel@gnu.org; Sat, 11 Jan 2014 18:45:15 -0500 Original-Received: from static-71-162-243-5.phlapa.fios.verizon.net ([71.162.243.5]:54326 helo=snark.thyrsus.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1W28Ek-0005QC-Ot; Sat, 11 Jan 2014 18:45:06 -0500 Original-Received: by snark.thyrsus.com (Postfix, from userid 1000) id 727D2380523; Sat, 11 Jan 2014 18:45:06 -0500 (EST) Content-Disposition: inline In-Reply-To: <87r48e3yuk.fsf_-_@slice.rozzin.com> X-Eric-Conspiracy: There is no conspiracy User-Agent: Mutt/1.5.21 (2010-09-15) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 71.162.243.5 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:168135 Archived-At: Joshua Judson Rosen : > (I did notice that you wrote "It is possible others have full hashes in > them; I haven't looked closely enough at everything yet to be sure."; > take this as a `heads up' about other closely-related things to look for > as you're doing that scan) Of course. I've done this before. ;-) > It may or may not be true specifically in the case of the mainline emacs > revision history; someone will probably need/want to check (if nobody > has yet), because it's certainly _possible_ to have situations in bzr > where `timestamp!committer' works as a sort of hash bucket but _isn't_ > specific enough to identify a single unique revision-object. I know. That's why the *full* form of an action stamp is actually {ISO-date }!{email-address}#{sequence-nummber} I have needed that generality on some Subversion repositories. -- Eric S. Raymond