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=-3.6 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI, T_DKIM_INVALID 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 349F31F403 for ; Wed, 13 Jun 2018 22:34:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935490AbeFMWei (ORCPT ); Wed, 13 Jun 2018 18:34:38 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:53968 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935256AbeFMWeh (ORCPT ); Wed, 13 Jun 2018 18:34:37 -0400 Received: by mail-wm0-f66.google.com with SMTP id x6-v6so7266945wmc.3 for ; Wed, 13 Jun 2018 15:34:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version:content-transfer-encoding; bh=Hu4DDAH6QGTfgBYUUOuyKPVtw+ZjZhok99h1lUWxYt8=; b=RvLsxOKHcIvyJeE8Ur9UWrrCp2spxIdw540qqlxK8845Kfi0+lqYi+kTt9IfGh39mr MSsVeeIy60T7b5NWrB1f0dnNz44A0VM4aRUI4ZBO9A7auzfLdAWogxHBmVO3Gym7DD2p yNwZgDX3Djue/M4uUk7kbb+gOjDECriRqe8RYNVxcP/IIeUs2/yYUqQVM5EkvXEKGavy DaBg7LrkY3+zcIGIcfMldhzKIEj1CzPRrS2hxZuJXsj3qA1hX4ZTBdsFxdH9w/vL1q8K Mjxz61ttqNdeBMAFJb3m0Y+KxXh+ZMmFBIA8Hj3vh5VP7wPDVL7xSLi121oygXH8V2AW wMCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:references:date :in-reply-to:message-id:user-agent:mime-version :content-transfer-encoding; bh=Hu4DDAH6QGTfgBYUUOuyKPVtw+ZjZhok99h1lUWxYt8=; b=OUjg+SwPgVKXsswjKpyNtw+rWt+PnMVq85TmVRuzZnRFutfZYJxEf0oSUnUFPlhFH+ vXXmoaR6Ne3pmROiJskRXK84obj802z+uLyjcJ/tplQNW+dBHVi2PK9zV1xPtmibdsvn nSx32TLi8WoaTfUCCHLu3LFWo8yutJbXRU8WR4ifr2W0YVYWFNiyyFIrTo5tiA7j1v+b Pr9plXBxE3k7GaEG2SyikHIb/OW3Yea4pfMdDvfXrwk0o8iatCDUOmJq/ucBiRKNlu9u aMqW1aWWJ9PIL2eBxGeBO7ai5GF6w9o8mGT8KNA6UW8IawxolNYuJ4KbLgbE4+ssfRjD q+Lg== X-Gm-Message-State: APt69E1A8kLwiR5q3cDMT6Mm3u/sxiYK7YlnSVOiz/an7CyqPwPLFx3Z iJ6RcEMYC4Y2csk0ITh+xyI= X-Google-Smtp-Source: ADUXVKLa3w41LDT1aY93d1AW4sPyuecs1T4BTlF+xs5wAz/TPM5TQaaS1i15X0b04zGWl0bDmYCxQg== X-Received: by 2002:a1c:c342:: with SMTP id t63-v6mr20643wmf.123.1528929275754; Wed, 13 Jun 2018 15:34:35 -0700 (PDT) Received: from localhost (168.50.187.35.bc.googleusercontent.com. [35.187.50.168]) by smtp.gmail.com with ESMTPSA id m65-v6sm4492286wmd.1.2018.06.13.15.34.34 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 13 Jun 2018 15:34:35 -0700 (PDT) From: Junio C Hamano To: =?utf-8?B?w4Z2YXIgQXJuZmrDtnLDsA==?= Bjarmason Cc: git@vger.kernel.org, dstolee@microsoft.com, git@jeffhostetler.com, peff@peff.net, johannes.schindelin@gmx.de, jrnieder@gmail.com, Linus Torvalds Subject: Re: [PATCH 19/20] abbrev: support relative abbrev values References: <20180608224136.20220-1-avarab@gmail.com> <20180608224136.20220-20-avarab@gmail.com> <871sdawcmh.fsf@evledraar.gmail.com> Date: Wed, 13 Jun 2018 15:34:34 -0700 In-Reply-To: <871sdawcmh.fsf@evledraar.gmail.com> (=?utf-8?B?IsOGdmFyIEFy?= =?utf-8?B?bmZqw7Zyw7A=?= Bjarmason"'s message of "Thu, 14 Jun 2018 00:22:14 +0200") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Ævar Arnfjörð Bjarmason writes: > E.g. here's a breakdown of my dotfiles repo: > > $ git -c core.abbrev=4 log --pretty=format:%h|perl -nE 'chomp;say length'|sort|uniq -c|sort -nr > 784 4 > 59 5 > 7 6 > > I don't have a single commit that needs 7 characters, yet that's our > default. This is a sane trade-off for the kernel, but for something > that's just a toy or something you're playing around with something > shorter can make sense. > > SHA-1s aren't just written down, but also e.g. remembered in wetware > short-term memory. That's a fine example of what I called "supporting absurdly small absolute values like 4"; I still do not see why you want "negative relative values" from that example.