From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Schindelin Subject: Re: feature request: git-log should accept sth like v2.6.26-rc8-227 Date: Fri, 11 Jul 2008 21:35:29 +0100 (BST) Message-ID: References: <200807102057.15063.toralf.foerster@gmx.de> <200807111539.06606.toralf.foerster@gmx.de> <37fcd2780807110744k3b2a332csdf788dabd172622c@mail.gmail.com> <200807111658.40626.toralf.foerster@gmx.de> <20080711192902.GD1721@dpotapov.dyndns.org> Mime-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="8323329-1417154506-1215808530=:8950" Cc: =?ISO-8859-15?Q?Toralf_F=F6rster?= , git@vger.kernel.org To: Dmitry Potapov X-From: git-owner@vger.kernel.org Fri Jul 11 22:36:32 2008 Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1KHPLz-0001YF-5Z for gcvg-git-2@gmane.org; Fri, 11 Jul 2008 22:36:31 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755336AbYGKUfc (ORCPT ); Fri, 11 Jul 2008 16:35:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754804AbYGKUfc (ORCPT ); Fri, 11 Jul 2008 16:35:32 -0400 Received: from mail.gmx.net ([213.165.64.20]:42470 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1755235AbYGKUfb (ORCPT ); Fri, 11 Jul 2008 16:35:31 -0400 Received: (qmail invoked by alias); 11 Jul 2008 20:35:29 -0000 Received: from grape.st-and.ac.uk (EHLO grape.st-and.ac.uk) [138.251.155.28] by mail.gmx.net (mp018) with SMTP; 11 Jul 2008 22:35:29 +0200 X-Authenticated: #1490710 X-Provags-ID: V01U2FsdGVkX1/7vxZu5EP7EzQGCfE2G42XAQ5T9pphXrpPYzs83E lnkl5HKSG3Mn3m X-X-Sender: gene099@racer In-Reply-To: User-Agent: Alpine 1.00 (DEB 882 2007-12-20) X-Y-GMX-Trusted: 0 X-FuHaFi: 0.49 Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --8323329-1417154506-1215808530=:8950 Content-Type: TEXT/PLAIN; charset=ISO-8859-15 Content-Transfer-Encoding: 8BIT Hi, On Fri, 11 Jul 2008, Johannes Schindelin wrote: > On Fri, 11 Jul 2008, Dmitry Potapov wrote: > > > On Fri, Jul 11, 2008 at 04:58:40PM +0200, Toralf Förster wrote: > > > > > > $> git-log v2.6.26-rc9.. --pretty=short | grep "^commit" | cut -f2 -d' ' | xargs -n 1 git describe | grep '\-56\-' > > > > The fastest way to do the same would be: > > > > git rev-list v2.6.26-rc9.. | xargs git describe | grep '\-56\-' > > You forgot the "--all" option to rev-list. > > And I doubt it would be the "fastest" way, in terms of execution speed. > > Also, it leaves out this case: > > rc9 - A - B - C - D - F > \ / > ----- E ----- > > F would be "rc9-5", but also "rc9-2". > > Oh, and this would leave out reflogs, too. > > Can we please let this concept die now? Heh, just as an intellectual exercise, I could not resist trying to brush up my l33t py7h0n sk1llz (and I am sure somebody will teach me something useful again): -- snipsnap -- #!/usr/bin/python import os import sys if len(sys.argv) != 2: print 'Usage:', sys.argv[0], '' # split argument dash = sys.argv[1].rindex('-') tag = sys.argv[1][0:dash] generation = int(sys.argv[1][dash + 1:]) # get sha1 of given tag's commit pipe = os.popen('git rev-parse ' + tag + '^{commit}') sha1 = pipe.readlines()[0].strip() pipe.close() # 'number' will contain (positive) distance to given commit number = dict() number[sha1] = set() number[sha1].add(0) pipe = os.popen('git rev-list ^' + sha1 + ' --all --parents') rev_list = pipe.readlines() pipe.close() rev_list.reverse() for line in rev_list: list = line.strip().split(' ') number[list[0]] = set() for parent in list[1:]: if parent in number: for n in number[parent]: number[list[0]].add(n + 1) for n in number[list[0]]: if n == generation: print list[0] --8323329-1417154506-1215808530=:8950--