From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-2.8 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,T_DKIM_INVALID, T_RP_MATCHES_RCVD shortcircuit=no autolearn=no autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 487B91F404 for ; Sat, 17 Mar 2018 17:57:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753593AbeCQR5d (ORCPT ); Sat, 17 Mar 2018 13:57:33 -0400 Received: from mail-wm0-f48.google.com ([74.125.82.48]:51290 "EHLO mail-wm0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753278AbeCQR5c (ORCPT ); Sat, 17 Mar 2018 13:57:32 -0400 Received: by mail-wm0-f48.google.com with SMTP id h21so8503869wmd.1 for ; Sat, 17 Mar 2018 10:57:31 -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; bh=49H2phr3SkFQ8jbZ1KAYPa7qOeUrChF8d2Q1QWoFbpI=; b=FwITMkN5tUsg8SKBhw3+ky329kfB+OFA1zP3eo5nnpvIBrXh56S6kPXoK6OJgPIb5D ZZ78sDNxgQSkTTyCCl3XRXEASEJgTTc+HsPTYQvzqEvzvRi2KH0H3ZQGB9R51OCbKd1l CAISehvf/oquZjd8+eoIcE0hMYVYFLwBRPYi8YrmEL71mFcDVlII+oCDMRX2KlORL01G iFf/koXX50RBzl9Gm+v/Cyw1hXNNST8tWWwAB8rMeybvz96LoEIHU0O4DnNtCRc58Qbj xMv4J4ZxyJC8cOrEk+8YY1I88CxPPGlW+YzJupY3WmKxacaY5Qag5CKIPeFbGa+0l1Iw jVBw== 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; bh=49H2phr3SkFQ8jbZ1KAYPa7qOeUrChF8d2Q1QWoFbpI=; b=RSybf7QwffczDQ7IMjSMTVxhDNUpC7m37cUyPnncyYxR7SwkgRFFLyMz7Jl/QV1vsE 231KijU5wa1Hf5fErSsPRhgLMG+A+TkXCoeSycYaI2eSb9fHJ/m8axM4HyGyXE58yl/m Fu0JFTgjsp360gzu1q/fGUYOAmucJF8cnPNF73bKS09dFzmzBzSnXtmqwQDHeV3B5WBD FRLOzWqAwVl3JnHARtexh+zhx5tFRFQ0A/yFe1iz1mK4Oia3ZxwK3iGG338HN89F8Koz OjRyEa39nVzttAekd3m6AosBBW/LRcogsDIuIKP7hDxPg5uCWAOwyAQpcO3zrlpJdnbO e/4Q== X-Gm-Message-State: AElRT7EO9aFAXrq7MYoTqotZUBS94OIRwZreEwtM7Kni/O8mU5s3jUHj zTnkMGHHt/dsuCp5BoJIltg= X-Google-Smtp-Source: AG47ELv7G+ICugwx75dZLGeQT26mCg6732hqN53epnh2aw8R3B8yyqclMBSpSypro9u3rz08Lm90Ug== X-Received: by 10.28.43.66 with SMTP id r63mr5066068wmr.93.1521309450260; Sat, 17 Mar 2018 10:57:30 -0700 (PDT) Received: from localhost (168.50.187.35.bc.googleusercontent.com. [35.187.50.168]) by smtp.gmail.com with ESMTPSA id d48sm1316343wrd.12.2018.03.17.10.57.28 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sat, 17 Mar 2018 10:57:28 -0700 (PDT) From: Junio C Hamano To: Jeff King Cc: Konstantin Khomoutov , Michal Novotny , git@vger.kernel.org Subject: Re: get commit ID from a tree object ID References: <20180317130128.mr2sfsrncykkubwo@tigra> <20180317161819.GB25113@sigill.intra.peff.net> Date: Sat, 17 Mar 2018 10:57:28 -0700 In-Reply-To: <20180317161819.GB25113@sigill.intra.peff.net> (Jeff King's message of "Sat, 17 Mar 2018 12:18:19 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Jeff King writes: > If you want to dig further, you can use the diff machinery to show which > commit introduced a particular tree, like: > > git rev-list --all | > git diff-tree --stdin --pretty=raw --raw -t -r | > less +/$desired_tree > > That "less" will find the mentioned tree, and then you'll have to > manually read the commit. It would be possible to do it mechanically > with a short perl script, but I'll leave that as an exercise for the > reader. Before Stefan jumps in ;-) I wonder if a recently materialized "find-object" option to the diff family can be used here as a sugar-coated way.