From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-11.5 required=3.0 tests=AWL,BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI,USER_IN_DEF_DKIM_WL shortcircuit=no autolearn=ham autolearn_force=no version=3.4.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 3B98E1F97E for ; Tue, 9 Oct 2018 17:41:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727180AbeJJA7I (ORCPT ); Tue, 9 Oct 2018 20:59:08 -0400 Received: from mail-ed1-f48.google.com ([209.85.208.48]:38491 "EHLO mail-ed1-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726415AbeJJA7I (ORCPT ); Tue, 9 Oct 2018 20:59:08 -0400 Received: by mail-ed1-f48.google.com with SMTP id c1-v6so2486743ede.5 for ; Tue, 09 Oct 2018 10:41:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=PIBXcjk5oIB9dU9MoOCTrDcSo2m1GLuYEujoWGmhybw=; b=voVSNVmaP2figxffdFaZBt9eJuGOI260fzPfG5G51Ber4o5Y2Dn4uzpwPbM07srlaO rbRG998GV1FrBoK4FY6cuBM6dd9jH5KQa+gC6jENJFYJ6VTFJL8Cev83wPHaYrfX/5Zg bSb7Bx2Vt/D/WiaIJ0LyK2nSblBcym+tpAuO+vaygEYUlIegE/kVXCNzqHLgW4xHUbCM AOdxexq0LtfyUOiCbeNJf8BeDeZsodhLhZHKZrKPfyN6vIyMIYudhuR0bhtHtzEsNG+W SGV3gjixXyKW8dStXZrjyX2AokNG9Le/+IShKyYZdCxF/jDVHMRpIazWgRYi50fk0pI5 o+jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=PIBXcjk5oIB9dU9MoOCTrDcSo2m1GLuYEujoWGmhybw=; b=QHFRjJGPMLdXf9cSTZNkaAqNCuhfSCwRmIUaNzvUlTjDIe0lJI43t25IQDxD2ly6FC wAotuSw3gKqeiyZMhKRuJx8ROZXNqtdtyRmhbtU2piwfGLMC42e0Jb8bzN4HLGKnbNt+ 3EBM9vVNIq51YugpY4m1UyUAJjyF63msFAEDuMa9nyDUmL+eF3wVk2v2Vl0e5hurxWsF IpwGdLWLZYMSMwRpPoOVFfk8nKSZyxKhd6kVcySKiOwfVWoLDN+kEzBa6Tm6VE779IPz 1+Zb+VYaYyr3bNdzjWKFTLMssbS4imVOX1rOAco/xfOjic9Dly7WlrVJMJFTLaDABgvi 4T3Q== X-Gm-Message-State: ABuFfoiCHXP+bcfQv//G1SUFbjW/y2xRovZbB0HY5F0ho//IoiVzFU3/ +0dnAIxnIXjuIY3xmlT6WqbcJSeeHbxDxIKJkPHmag== X-Google-Smtp-Source: ACcGV62X2IvWKTcG+mR8FZlWMGFgOoJuT0RZu8vfjH5PVGHCn+6DnnBXo3aPVaOSPrxGxNLecHpWGwnNSSPSHr5TIYs= X-Received: by 2002:a50:9931:: with SMTP id k46-v6mr36512768edb.85.1539106861692; Tue, 09 Oct 2018 10:41:01 -0700 (PDT) MIME-Version: 1.0 References: <7vr6lcj2zi.fsf@gitster.siamese.dyndns.org> <20070905074206.GA31750@artemis.corp> <87odgh0zn6.fsf@hades.wkstn.nix> <46DEF1FA.4050500@midwinter.com> <877in50y7p.fsf@hades.wkstn.nix> <87k1mta9x5.fsf@evledraar.gmail.com> <87h8hwafof.fsf@evledraar.gmail.com> In-Reply-To: From: Stefan Beller Date: Tue, 9 Oct 2018 10:40:50 -0700 Message-ID: Subject: Re: What's so special about objects/17/ ? To: Junio C Hamano Cc: =?UTF-8?B?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= , nico@cam.org, Nick Alcock , koreth@midwinter.com, Linus Torvalds , git , Christian Couder Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On Mon, Oct 8, 2018 at 6:07 PM Junio C Hamano wrote: > > =C3=86var Arnfj=C3=B6r=C3=B0 Bjarmason writes: > > > Depending on how we're counting there's at least two. > > I thought you were asking "why the special sentinel is not 0{40}?" > You counted the number of reasons why 0{40} is used to stand in for > a real value, but that was the number I didn't find interesting in > the scope of this discussion, i.e. "why the special sample is 17?" > > I vaguely recall we also used 0{39}1 for something else long time > ago; I offhand do not recall if we still do, or we got rid of it. gitk still shows changes added to the index as 0{39}1, whereas changes not added yet are marked as 0{40}.