linux-kernel - Re: [PATCH] mailmap: add entry for Jaegeuk Kim

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Date:   Fri, 2 Aug 2019 22:23:37 +0800
From:   Chao Yu <chao@...nel.org>
To:     Jonathan Corbet <corbet@....net>, Chao Yu <yuchao0@...wei.com>
Cc:     linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        jaegeuk@...nel.org
Subject: Re: [PATCH] mailmap: add entry for Jaegeuk Kim

On 2019-8-2 21:26, Jonathan Corbet wrote:
> On Fri, 2 Aug 2019 09:21:35 +0800
> Chao Yu <yuchao0@...wei.com> wrote:
> 
>> Add entry to connect all Jaegeuk's email addresses.
>>
>> Acked-by: Jaegeuk Kim <jaegeuk@...nel.org>
>> Signed-off-by: Chao Yu <yuchao0@...wei.com>
>> ---
>>  .mailmap | 3 +++
>>  1 file changed, 3 insertions(+)
>>
>> diff --git a/.mailmap b/.mailmap
>> index 477debe3d960..70d41c86e644 100644
>> --- a/.mailmap
>> +++ b/.mailmap
>> @@ -89,6 +89,9 @@ Henrik Kretzschmar <henne@...htwindheim.de>
>>  Henrik Rydberg <rydberg@...math.org>
>>  Herbert Xu <herbert@...dor.apana.org.au>
>>  Jacob Shin <Jacob.Shin@....com>
>> +Jaegeuk Kim <jaegeuk@...nel.org> <jaegeuk@...gle.com>
>> +Jaegeuk Kim <jaegeuk@...nel.org> <jaegeuk@...orola.com>
>> +Jaegeuk Kim <jaegeuk@...nel.org> <jaegeuk.kim@...sung.com>
> 
> So as I understand it, the mailmap file is there mostly to ensure that a
> person's changesets are properly collected in 'git shortlog' and such.  As
> documented on the man page, it is used when a person's name is spelled
> differently at different times.
> 
> That doesn't appear to be the case here, and shortlog output is correct
> already.  Given that, do we *really* need to maintain a collection of old
> email addresses in the mailmap file?  What is the benefit of that?

IMO, when we use git-blame to find out who is response for specified code, w/o
mailmap we may just found old obsolete email address in the related commit; even
we can search full name for his/her new email address, how can we make sure they
are the same person... so anyway, it can help to find last valid/canonical email
address of someone.

Thanks,

> 
> Thanks,
> 
> jon
>