Re: git log displaying wrong account information

["Schanzenbach, Martin" <mschanzenbach@posteo.de>]

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Thanks! I did not know about that file.

> On 23. Oct 2021, at 08:16, Đoàn Trần Công Danh <congdanhqx@gmail.com> wrote:
> 
> 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


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