From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Mackall Subject: Re: newbie questions about git design and features (some wrt hg) Date: Fri, 2 Feb 2007 10:03:17 -0600 Message-ID: <20070202160317.GX10108@waste.org> References: <3c6c07c20701300820l42cfc8dbsb80393fc1469f667@mail.gmail.com> <200702010058.43431.jnareb@gmail.com> <20070201003429.GQ10108@waste.org> <200702021055.49428.jnareb@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: mercurial@selenic.com, git@vger.kernel.org, Junio C Hamano To: Jakub Narebski X-From: git-owner@vger.kernel.org Fri Feb 02 17:15:57 2007 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1HD14p-0006wk-CR for gcvg-git@gmane.org; Fri, 02 Feb 2007 17:15:51 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1945963AbXBBQPs (ORCPT ); Fri, 2 Feb 2007 11:15:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1945965AbXBBQPs (ORCPT ); Fri, 2 Feb 2007 11:15:48 -0500 Received: from waste.org ([66.93.16.53]:56773 "EHLO waste.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1945963AbXBBQPr (ORCPT ); Fri, 2 Feb 2007 11:15:47 -0500 Received: from waste.org (localhost [127.0.0.1]) by waste.org (8.13.4/8.13.4/Debian-3sarge3) with ESMTP id l12G3H2w028937 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Fri, 2 Feb 2007 10:03:18 -0600 Received: (from oxymoron@localhost) by waste.org (8.13.4/8.13.4/Submit) id l12G3Hvu028935; Fri, 2 Feb 2007 10:03:17 -0600 Content-Disposition: inline In-Reply-To: <200702021055.49428.jnareb@gmail.com> User-Agent: Mutt/1.5.9i X-Virus-Scanned: by amavisd-new Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: On Fri, Feb 02, 2007 at 10:55:48AM +0100, Jakub Narebski wrote: > How Mercurial solves problem of multiple _persistent_ branches? Does it > add pointers to commits somewhere deeper in changelog / revlog? Each changeset may have a branch marker. Here's branches in use with an import of mutt's CVS history: $ hg branches mutt-0-94 208:b2cc0abd8fe0 HEAD 207:a505693b54c1 mutt-0-93 134:d59345944030 muttintl 1:29510de8b3fc $ hg co HEAD 176 files updated, 0 files merged, 8 files removed, 0 files unresolved $ hg branch HEAD $ hg branch devel $ hg branch devel $ hg branch devel > BTW does Mercurial have tags? Yes. Both local and revision-controlled. > Nice to know. You compress only file deltas, or also file revision > metadata? Do you compress manifests (trees) and commits (or at least > commit messages) too? All three use the same underlying storage format, so yes. -- Mathematics is the supreme nostalgia of our time.