Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1753386AbcDYCXY (ORCPT <rfc822;w@1wt.eu>);
	Sun, 24 Apr 2016 22:23:24 -0400
Received: from mga09.intel.com ([134.134.136.24]:18614 "EHLO mga09.intel.com"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1753302AbcDYCXX convert rfc822-to-8bit (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Sun, 24 Apr 2016 22:23:23 -0400
X-ExtLoop1: 1
X-IronPort-AV: E=Sophos;i="5.24,530,1455004800"; 
   d="scan'208";a="939354263"
From: "Du, Changbin" <changbin.du@intel.com>
To: Joe Perches <joe@perches.com>, Andrew Morton <akpm@linux-foundation.org>,
        Andy Whitcroft <apw@canonical.com>
CC: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH] checkpatch: Add support to check already applied git
 commits
Thread-Topic: [PATCH] checkpatch: Add support to check already applied git
 commits
Thread-Index: AQHRnn7EpELiE61sX0Cdz9QCtvD6vp+Z82lQ
Date: Mon, 25 Apr 2016 02:23:17 +0000
Message-ID: <0C18FE92A7765D4EB9EE5D38D86A563A05D1BFCA@SHSMSX103.ccr.corp.intel.com>
References: <8a509a881fbf54b3a7e870bd1655688260ea47a7.1461539133.git.joe@perches.com>
In-Reply-To: <8a509a881fbf54b3a7e870bd1655688260ea47a7.1461539133.git.joe@perches.com>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
x-ctpclassification: CTP_IC
x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiYjYzNGIzN2ItMzU0Ny00YzZhLTg2ZTEtMDU5YWFjMDIwNjUzIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX0lDIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE1LjkuNi42IiwiVHJ1c3RlZExhYmVsSGFzaCI6IkdQVFQrWlQ3aTY1OTZiOHNiZUZLREt6WGpRZWE3MzBUR1MyY2Q5V3htaFE9In0=
x-originating-ip: [10.239.127.40]
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 8BIT
MIME-Version: 1.0
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 1310
Lines: 42

Hi,

> From: Joe Perches [mailto:joe@perches.com]
> Sent: Monday, April 25, 2016 7:12 AM
> To: Andrew Morton <akpm@linux-foundation.org>; Andy Whitcroft
> <apw@canonical.com>
> Cc: Du, Changbin <changbin.du@intel.com>; linux-kernel@vger.kernel.org
> Subject: [PATCH] checkpatch: Add support to check already applied git
> commits
> 
> It's sometimes useful to scan already committed patches.
> 
> Add --git <revision range> to scan specific or multiple commits.
> 
> Single commits are scanned with
> 	--git <rev>
> Multiple commits are scanned with
> 	--git <range>
> 	--git <commit>-<count>
> 
> Signed-off-by: "Du, Changbin" <changbin.du@intel.com>
> Signed-off-by: Joe Perches <joe@perches.com>
> ---
> 
> A few miscellaneous improvements to Changbin's original patch:
> 
> o Don't exec git for each <commit>-<count>,
>   use a single "git log -<count> <commit>"
> o Consolidate the git exec for the <range> and <commit>-<count> variants
> o Output 12 character commit hash ids
> o Don't scan git commit merges
> o Use -M to reduce the size of rename commits
> 

Thanks, it has been much more better now. I like this new one. 
This is my first time write a Perl script. :)

Also thanks for Sebastian's explanation, I got this idea just
because I had the same use case with you.

Best Regards,
Du, Changbin