linux-kernel - Re: CC in git cover letter vs patches (was Re: [PATCH 0/19] get rid of superfluous __GFP

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Message-ID: <20160413133347.GJ14351@dhcp22.suse.cz>
Date:	Wed, 13 Apr 2016 15:33:47 +0200
From:	Michal Hocko <mhocko@...nel.org>
To:	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>, git@...r.kernel.org
Subject: Re: CC in git cover letter vs patches (was Re: [PATCH 0/19] get rid
 of superfluous __GFP_REPORT)

On Wed 13-04-16 16:51:37, Vineet Gupta wrote:
> Trimming CC list + CC git folks
> 
> Hi Michal,
> 
> On Monday 11 April 2016 04:37 PM, Michal Hocko wrote:
> > Hi,
> > this is the second version of the patchset previously sent [1]
> 
> I have a git question if you didn't mind w.r.t. this series. Maybe there's an
> obvious answer... I'm using git 2.5.0
> 
> I was wondering how you manage to union the individual patch CC in just the cover
> letter w/o bombarding everyone with everything.

I am using the following flow:

$ rm *.patch
$ for format-patch range
$ git send-email [--to resp. --cc for all patches] --cc-cmd ./cc-cmd-only-cover.sh --compose *.patch

$ cat ./cc-cmd-only-cover.sh 
#!/bin/bash

# --compose with generate *gitsendemail.msg file
# --cover-letter expects *cover-letter* file
if [[ $1 == *gitsendemail.msg* || $1 == *cover-letter* ]]; then
        grep '<.*@.*>' -h *.patch | sed 's/^.*: //' | sort | uniq
fi

it is a little bit coarse and it would be great if git had a default
option for that but this seems to be working just fine for patch-bombs
where the recipients only have to care about their parts and the cover
for the overal idea of the change.

HTH
-- 
Michal Hocko
SUSE Labs