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=-5.6 required=3.0 tests=AWL,BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD shortcircuit=no autolearn=ham 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 EEC061FBB0 for ; Thu, 1 Dec 2016 20:58:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756691AbcLAU6Z (ORCPT ); Thu, 1 Dec 2016 15:58:25 -0500 Received: from pb-smtp2.pobox.com ([64.147.108.71]:56794 "EHLO sasl.smtp.pobox.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753335AbcLAU6Y (ORCPT ); Thu, 1 Dec 2016 15:58:24 -0500 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by pb-smtp2.pobox.com (Postfix) with ESMTP id 022D254AC5; Thu, 1 Dec 2016 15:58:23 -0500 (EST) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=tfIxr/PTVJDHI33Hn6JgOnrgP+w=; b=oawK6D ZUlaBl/PX7c8CPxs4l8NlrOa+dG4566YifI1yjXIZqEe9WdTqOhuYo8vVkHxVa+C yTkbC7kQ1IpyQL8+uAu62QXRZGwj/3YH5dKZcQFwhOHdk6xabxr0tkUhzcFMqB78 U6eEqb73OkbklfF4j4hXJWKAxAa+wsOaOV4eU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=POnjfKETTrOFrKthR9a0nvuYTkLA/mSP a2t1a9Up2HD5w51+WIJcineAYDeVPvnaM/c7YWv+rPGuOj/Qk7SgIs9+bcH1h1lO dJrjL3oO8s+jF93xq5Ywl1y9mgUcN1IDSUpdE6xlgfkOusH89D7Vmpl7V4GRmd+A KzjTOzCumCU= Received: from pb-smtp2.nyi.icgroup.com (unknown [127.0.0.1]) by pb-smtp2.pobox.com (Postfix) with ESMTP id EDB8554AC3; Thu, 1 Dec 2016 15:58:22 -0500 (EST) Received: from pobox.com (unknown [104.132.0.95]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by pb-smtp2.pobox.com (Postfix) with ESMTPSA id 679A254AC1; Thu, 1 Dec 2016 15:58:22 -0500 (EST) From: Junio C Hamano To: Jeff King Cc: git@vger.kernel.org Subject: Re: [RFC/PATCH] add diff-pairs tool References: <20161201204042.6yslbyrg7l6ghhww@sigill.intra.peff.net> <20161201205504.flgaf7dwv3b3dkkd@sigill.intra.peff.net> Date: Thu, 01 Dec 2016 12:58:21 -0800 In-Reply-To: <20161201205504.flgaf7dwv3b3dkkd@sigill.intra.peff.net> (Jeff King's message of "Thu, 1 Dec 2016 15:55:04 -0500") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Pobox-Relay-ID: E51B8A1C-B808-11E6-A471-B2917B1B28F4-77302942!pb-smtp2.pobox.com Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Jeff King writes: > On Thu, Dec 01, 2016 at 12:52:05PM -0800, Junio C Hamano wrote: > >> Jeff King writes: >> >> > This takes the output of `diff-tree -z --raw` and feeds it >> > back to the later stages of the diff machinery to produce >> > diffs in other formats. >> >> A full circle. This reminds me of the experiment done more than 10 >> years ago at the beginning of the "diffcore transformations" design. > > Heh, I didn't even think to dig for prior art on the list. It took me a while to dig it up because the topic is so old, but https://public-inbox.org/git/Pine.LNX.4.58.0504251832480.18901@ppc970.osdl.org/ is the thread I had in mind. The idea of rename detection followed soon afterwards.