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From: "Đoàn Trần Công Danh" <congdanhqx@gmail.com>
To: "Schanzenbach, Martin" <mschanzenbach@posteo.de>
Cc: git@vger.kernel.org
Subject: Re: git log displaying wrong account information
Date: Sat, 23 Oct 2021 13:16:06 +0700	[thread overview]
Message-ID: <YXOopkKXrluffiuX@danh.dev> (raw)
In-Reply-To: <9826C830-3680-4AC4-9ADB-5FA45222A15B@posteo.de>

On 2021-10-23 05:58:37+0000, "Schanzenbach, Martin" <mschanzenbach@posteo.de> wrote:
> Hello,
> 
> there is some odd behaviour in "git log" which affects me in various ways:
> For some reason, it "canonicalizes" the author/commiter information in our repository: https://git.gnunet.org/git/gnunet.git
> 5 years ago or so I was using another email address for commits. I have been using a different email address since that.
> 
> But if you clone this repo, and take a look at a recent commit such
> as be9b998b3369056c7c8fb0ae84fb4e2a064b496c using "git log", you
> will see that my email address is actually the old one and different
> from the _real_ information.

By old one, do you mean:

	Martin Schanzenbach <martin.schanzenbach@aisec.fraunhofer.de>

It's because you have those entries in .mailmap:

---- 8< ----
Martin Schanzenbach <martin.schanzenbach@aisec.fraunhofer.de> Schanzenbach, Martin <martin.schanzenbach@aisec.fraunhofer.de>
Martin Schanzenbach <martin.schanzenbach@aisec.fraunhofer.de> Schanzenbach, Martin <mschanzenbach@posteo.de>
Martin Schanzenbach <martin.schanzenbach@aisec.fraunhofer.de> Martin Schanzenbach <mschanzenbach@posteo.de>
---- >8 -----

Which will map your:

	Martin Schanzenbach <mschanzenbach@posteo.de>

into it.


> You can see that I correctly set the author/commiter email here
> using either cgit
> (https://git.gnunet.org/gnunet.git/commit/?id=be9b998b3369056c7c8fb0ae84fb4e2a064b496c)
> or a specific format such as
> 
> $ git log --pretty=format:"[%h] %cd - Committer: %cn (%ce), Author: %an (%ae)
> 
> This is driving me crazy as the information is just plain wrong and
> when our CI tries to collect a blamelist when sending out
> notifications, it also uses the info from "git log" instead of the
> actual author/commiter emails, promptly sending the reports to the
> wrong account.

The original value is recorded in the commit. You can retrieve raw
value with git-cat-file

> 
> Any idea what to do?

Change your mailmap entries to:

---- 8< ---
Martin Schanzenbach <mschanzenbach@posteo.de> Schanzenbach, Martin <martin.schanzenbach@aisec.fraunhofer.de>
Martin Schanzenbach <mschanzenbach@posteo.de> Schanzenbach, Martin <mschanzenbach@posteo.de>
Martin Schanzenbach <mschanzenbach@posteo.de> Martin Schanzenbach <martin.schanzenbach@aisec.fraunhofer.de>
---- >8 ----


> I really do not want to rebase and rewrite
> thousands of commits with questionable success.
> Doing that locally also does not change the output from "git log", in case you are wondering.
> This problem will reemerge eventually whenever an author wants to
> change to another email address it seems so is this a bug?
> 
> Any help/pointers appreciated.
> 
> Martin



-- 
Danh

  reply	other threads:[~2021-10-23  6:16 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-23  5:58 git log displaying wrong account information Schanzenbach, Martin
2021-10-23  6:16 ` Đoàn Trần Công Danh [this message]
2021-10-23  6:21   ` Schanzenbach, Martin

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