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=-3.5 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI 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 250981F516 for ; Fri, 22 Jun 2018 18:33:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934215AbeFVSdB (ORCPT ); Fri, 22 Jun 2018 14:33:01 -0400 Received: from mail-qt0-f194.google.com ([209.85.216.194]:46981 "EHLO mail-qt0-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933869AbeFVSc7 (ORCPT ); Fri, 22 Jun 2018 14:32:59 -0400 Received: by mail-qt0-f194.google.com with SMTP id h5-v6so6747819qtm.13 for ; Fri, 22 Jun 2018 11:32:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-transfer-encoding:content-language; bh=T1rC0K4kpL8HNigeI3J6MJPy9odQlG4fqhF9xwZllnY=; b=FX3XAftiiEOxQ88MCBsJkim9ck82PrxkbVDmPAcEw6HC3zYLMyDEbzJMBTVaFi84qz la4cxK+X8R7gqRkb9P/fuSJ/IyQxYVtxbsPIxoOjP2vo/61uGLI3lgbFzLSmNGxmOgnH JiCJJzP8LckyNPsj2IijgzmwOK84fRHW9MfPzJ3pjEohhOgBGgEjzwO9lbPT+kjxv+Ua s4lZngIO4Fk2cZy+t6fDsqnbJEDm0SlNyvovQSmtVp3T4ZfPqxHRAfDqD0BZpVvcDBx4 j2SkzXS3EfBbDIzsWZLbiVhhgzOc7n584KswSUG50I7vLEMSK7YZ+MS3PVVWpE8hdLOq o8xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-transfer-encoding :content-language; bh=T1rC0K4kpL8HNigeI3J6MJPy9odQlG4fqhF9xwZllnY=; b=PsyWD2ScI4bzJvnJveZsRrzIAtmuQEBAmJh3eB1pA9y/LmTVDQTsJICvuBqsyiY+by Ch+oWt3ktAGggS8arT2GdYU6f9O+6euq6jzhZCKEqDW+WWfx++aDiuJW0LpFkpjYHjp2 1+6WSv28Hn9guOSHchHuL70nR93DVU/sie4+dY7SpC3KuC0EQM2EzjJYEX9Ul++4BnUA JQjZEI55LFjAgk8BZEShZeA/9QLoI46Ab3XHg8pKOKseVN91r9OjSTh+ofIkw+8RZZub xjUFxSzHjekuCAUwgHgwSO2lgUIFVYEj6QHefbAzCKb4lqGp7HpZ8/al/mKEl0f/DC1/ O5DQ== X-Gm-Message-State: APt69E2I/ZpusuWDguS6oyVC9lRuOIWix2FeK1LYeq3xWq5WlPUZUUax xZtq5Yq67WT/5ldv6Yp9a6g= X-Google-Smtp-Source: ADUXVKJs+l90EIPpoJ1aW39FCY+o7RdwOqyKpFNOlsm2pocLabRL2qr5tpkFfx99albopNWVTicHFw== X-Received: by 2002:ac8:2be8:: with SMTP id n37-v6mr2480917qtn.293.1529692378547; Fri, 22 Jun 2018 11:32:58 -0700 (PDT) Received: from ?IPv6:2001:4898:6808:13e:355a:cab3:6059:73ce? ([2001:4898:8010:0:1e90:cab3:6059:73ce]) by smtp.gmail.com with ESMTPSA id v56-v6sm6654177qtv.50.2018.06.22.11.32.57 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 22 Jun 2018 11:32:57 -0700 (PDT) Subject: Re: [PATCH 09/23] midx: write pack names in chunk To: Junio C Hamano Cc: Duy Nguyen , Git Mailing List , Stefan Beller , Derrick Stolee , =?UTF-8?B?w4Z2YXIgQXJuZmrDtnLDsCBCamFybWFzb24=?= , Jonathan Nieder , Jonathan Tan , Martin Fick References: <20180607140338.32440-1-dstolee@microsoft.com> <20180607140338.32440-10-dstolee@microsoft.com> <4082c785-9fb2-7b15-b646-3c658b54abbe@gmail.com> <08667213-02fa-6104-d8de-20ee92b6bdce@gmail.com> From: Derrick Stolee Message-ID: Date: Fri, 22 Jun 2018 14:32:56 -0400 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org On 6/22/2018 2:31 PM, Junio C Hamano wrote: > Derrick Stolee writes: > >> The index extension documentation doesn't appear to be clear about >> which extensions are optional or required, but it seems the >> split-index is the only "required" one and uses lowercase for its >> extension id. > read-cache.c:: > > /* Index extensions. > * > * The first letter should be 'A'..'Z' for extensions that are not > * necessary for a correct operation (i.e. optimization data). > * When new extensions are added that _needs_ to be understood in > * order to correctly interpret the index file, pick character that > * is outside the range, to cause the reader to abort. > */ Thanks! I was reading Documentation/technical/index-format.txt and optional extensions are mentioned but not described precisely.