From mboxrd@z Thu Jan 1 00:00:00 1970 From: Linus Torvalds Subject: Re: git and time Date: Wed, 27 Sep 2006 11:09:18 -0700 (PDT) Message-ID: References: <20060927140918.65775.qmail@web51004.mail.yahoo.com> <20060927200054.7a49b619.froese@gmx.de> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Matthew L Foster , Junio C Hamano , git@vger.kernel.org, Jeff King , Jakub Narebski X-From: git-owner@vger.kernel.org Wed Sep 27 20:09:55 2006 Return-path: Envelope-to: gcvg-git@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by ciao.gmane.org with esmtp (Exim 4.43) id 1GSdqm-0001MS-FR for gcvg-git@gmane.org; Wed, 27 Sep 2006 20:09:41 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030417AbWI0SJh (ORCPT ); Wed, 27 Sep 2006 14:09:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030523AbWI0SJh (ORCPT ); Wed, 27 Sep 2006 14:09:37 -0400 Received: from smtp.osdl.org ([65.172.181.4]:27570 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1030417AbWI0SJg (ORCPT ); Wed, 27 Sep 2006 14:09:36 -0400 Received: from shell0.pdx.osdl.net (fw.osdl.org [65.172.181.6]) by smtp.osdl.org (8.12.8/8.12.8) with ESMTP id k8RI9JnW017204 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO); Wed, 27 Sep 2006 11:09:20 -0700 Received: from localhost (shell0.pdx.osdl.net [10.9.0.31]) by shell0.pdx.osdl.net (8.13.1/8.11.6) with ESMTP id k8RI9I8O002392; Wed, 27 Sep 2006 11:09:18 -0700 To: Edgar Toernig In-Reply-To: <20060927200054.7a49b619.froese@gmx.de> X-Spam-Status: No, hits=-0.469 required=5 tests=AWL X-Spam-Checker-Version: SpamAssassin 2.63-osdl_revision__1.94__ X-MIMEDefang-Filter: osdl$Revision: 1.154 $ X-Scanned-By: MIMEDefang 2.36 Sender: git-owner@vger.kernel.org Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: On Wed, 27 Sep 2006, Edgar Toernig wrote: > > Well, I would simply look at the filesystem's mtime of the commit object > resp. the pack containing the commit. IMHO good enough most of the time. Nope. The moment you repack, you're toast. And if you don't repack, please don't use large repositories. Here's a real-world example: in the week since 2.6.18 was released, the kernel has gotten over twenty _thousand_ new objects. If you don't repack, you'll have lost about 40MB of diskspace. It adds up. So yes, mtime works for a bit. And then it stops working ;) Linus