From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: =?utf-8?Q?=C3=93scar_Fuentes?= Newsgroups: gmane.emacs.devel Subject: Re: vc-region-history: HG? Date: Tue, 16 Jan 2018 22:04:32 +0100 Message-ID: <87shb5tt0f.fsf@telefonica.net> References: <873735lvz9.fsf@mat.ucm.es> <83k1whybb3.fsf@gnu.org> <87r2qphe2m.fsf@mat.ucm.es> <87wp0htzmz.fsf@telefonica.net> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Trace: blaine.gmane.org 1516136655 22298 195.159.176.226 (16 Jan 2018 21:04:15 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Tue, 16 Jan 2018 21:04:15 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jan 16 22:04:11 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1ebYOj-0004UL-5l for ged-emacs-devel@m.gmane.org; Tue, 16 Jan 2018 22:03:57 +0100 Original-Received: from localhost ([::1]:36323 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ebYQj-0003mI-5G for ged-emacs-devel@m.gmane.org; Tue, 16 Jan 2018 16:06:01 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:48377) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ebYPq-0003m3-3y for emacs-devel@gnu.org; Tue, 16 Jan 2018 16:05:07 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ebYPm-0008Gr-WB for emacs-devel@gnu.org; Tue, 16 Jan 2018 16:05:06 -0500 Original-Received: from [195.159.176.226] (port=53481 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ebYPm-0008Fe-OO for emacs-devel@gnu.org; Tue, 16 Jan 2018 16:05:02 -0500 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1ebYNU-0007h5-2Q for emacs-devel@gnu.org; Tue, 16 Jan 2018 22:02:40 +0100 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 37 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:1XCpvr7+utkypRu/ZSzTnreSW38= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:222028 Archived-At: Richard Copley writes: > On 16 January 2018 at 18:41, Óscar Fuentes wrote: >> Uwe Brauer writes: >> >>> But, what is the underlying git command? I tried to debug the function >>> and couldn't figure it out. > > Uwe, > > To see the backend command, set 'vc-command-messages' to t > before issuing a VC command in Emacs. > > For vc-command history the messages logged are: > > Running git --no-pager diff-index --exit-code -p HEAD -- Makefile.in > in foreground... > Running git --no-pager diff-index --exit-code -p HEAD -- Makefile.in...OK = 0 > Running git --no-pager log -p -L... . in background... done > > In this case I'm not sure that tells the whole story and I expect Emacs does > some of the work. I didn't put much effort into understanding the output but > perhaps it will give you a useful hint. > >> From vc-git-region-history: >> >> (vc-git-command buffer 'async nil "log" "-p" ;"--follow" ;FIXME: not supported? >> (format "-L%d,%d:%s" lfrom lto (file-relative-name file))) >> >> >> lfrom and lto are line numbers. In case it is not clear, the command is git log -p -L10,20:foo.c for printing the history of lines 10 to 20 of file foo.c