From mboxrd@z Thu Jan 1 00:00:00 1970 From: Junio C Hamano Subject: Re: GSoC draft proposal: Line-level history browser Date: Mon, 22 Mar 2010 00:41:20 -0700 Message-ID: <7v7hp4n6qn.fsf@alter.siamese.dyndns.org> References: <41f08ee11003200218u59c45b6dl82a8eb56cc289256@mail.gmail.com> <81b0412b1003201335g7b37c51mfa3e2280210ebb7e@mail.gmail.com> <4BA544FC.7050007@gmail.com> <41f08ee11003202316w2fddc5f4jebda47f325451577@mail.gmail.com> <4BA61CF9.7040104@gmail.com> <41f08ee11003212048q1950eb3s95f1caf7ba640874@mail.gmail.com> <7vfx3tvv9y.fsf@alter.siamese.dyndns.org> <41f08ee11003212134s586aa71cs23255d02f38d53d1@mail.gmail.com> <7vhbo8syyf.fsf@alter.siamese.dyndns.org> <41f08ee11003220031p6fda651eycff2641df10864da@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: gitzilla@gmail.com, Alex Riesen , git@vger.kernel.org To: Bo Yang X-From: git-owner@vger.kernel.org Mon Mar 22 08:41:40 2010 Return-path: Envelope-to: gcvg-git-2@lo.gmane.org Received: from vger.kernel.org ([209.132.180.67]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1NtcGa-0001ag-G9 for gcvg-git-2@lo.gmane.org; Mon, 22 Mar 2010 08:41:40 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753534Ab0CVHlf (ORCPT ); Mon, 22 Mar 2010 03:41:35 -0400 Received: from a-pb-sasl-quonix.pobox.com ([208.72.237.25]:47632 "EHLO sasl.smtp.pobox.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753417Ab0CVHlf (ORCPT ); Mon, 22 Mar 2010 03:41:35 -0400 Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-quonix.pobox.com (Postfix) with ESMTP id 9783FA4130; Mon, 22 Mar 2010 03:41:31 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=to:cc:subject :references:from:date:in-reply-to:message-id:mime-version :content-type; s=sasl; bh=TS7Ug7XGqKa3ax20H82Xg+pALmI=; b=IPWmDS 4HdC05/3F4QsJm7B/310pH4KJOfCkluFUG6Rhb/H1FsipPojT7u/zGtsDXRAuBPp b2pRdeqzmL4Lh+9YFYynkrR2Aa8cqaO+fIvSkjI7RqR3ZU6AvPPWRcnNUscqQ+71 Je8OQc9cZkT0slY3NcObE3zXPZTiocnA4HjS0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=to:cc:subject :references:from:date:in-reply-to:message-id:mime-version :content-type; q=dns; s=sasl; b=Rx44jeZTHJmB0xaXvVljM8Uh+qKcupzH dqhrCuHs3MKTVzra3datbaPHiu/tP0VrQvjJoZKoWCPqop8FU1P13PUhEpf7CKhM s8Tcb+lyErBY1CaBjecqDsAXub2LcuJ3orzcIFDaGsR6XTTgP4yM3JV7ZprzfGFN Vt+8B5A91LQ= Received: from a-pb-sasl-quonix. (unknown [127.0.0.1]) by a-pb-sasl-quonix.pobox.com (Postfix) with ESMTP id 3EFA4A412F; Mon, 22 Mar 2010 03:41:27 -0400 (EDT) Received: from pobox.com (unknown [68.225.240.211]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by a-pb-sasl-quonix.pobox.com (Postfix) with ESMTPSA id 72EE7A412D; Mon, 22 Mar 2010 03:41:22 -0400 (EDT) In-Reply-To: <41f08ee11003220031p6fda651eycff2641df10864da@mail.gmail.com> (Bo Yang's message of "Mon\, 22 Mar 2010 15\:31\:27 +0800") User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.2 (gnu/linux) X-Pobox-Relay-ID: 529C9CA0-3586-11DF-9D59-D033EE7EF46B-77302942!a-pb-sasl-quonix.pobox.com Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: Bo Yang writes: >> When you want to know where the first few lines of Makefile >> came from, and if blame says the first line came from 2731d048, that >> really means that between the revision you started digging from and the >> found revision, there is no commit that touched that particular line, but >> equally importantly, that before that found revision, there wasn't a >> corresponding line in that file---blame stopped exactly because there is >> nobody before that found revision that the line can be blamed on. > ... > Yes, this is not satisfying. But as I understand, the line level > history browser will do more than just this. It will not stop on 'step > 4', it can follow the change history recursively and deeply, to find > more. I am actually questioning the existence of "recursively and deeply to find more"; the reason blame stopped at a particular commit is exactly because there is no more---otherwise it wouldn't have stopped there but kept digging deeper. That is what I meant in the message you are responding to, quoted at the top of this message.