bisect does not respect 'log.date'

From: Osipov, Michael (IN IT IN) <michael.osipov@innomotics.com>
Date: Mar 13, 2024, 11:07 UTC
Message-ID: <645c8253-f1ef-410f-8284-7d6c8b6db601@siemens.com>

Folks,

I am running git version 2.43.0 and consider the following config:

> $ git config --system --list
> core.eol=native
> log.date=iso-strict
> color.ui=auto

So date output looks fine with 'log' and 'show':

Show 8 quoted lines

> osipovmi@deblndw011x:~/var/Projekte/tomcat-native ((ba1454e15...)|BISECTING)
> $ git log
> commit ba1454e15619a44fe66d86f59c766c0cc25323eb (HEAD)
> Author: Mark Thomas <markt@apache.org>
> Date:   2024-02-13T08:27:43+00:00
> 
>     Fix link
>

and

Show 8 quoted lines

> osipovmi@deblndw011x:~/var/Projekte/tomcat-native ((ba1454e15...)|BISECTING)
> $ git show HEAD^
> commit ef40b6d00c4bdaa23960b5dc0eaac28cce758d29
> Author: Mark Thomas <markt@apache.org>
> Date:   2024-02-06T16:40:25+00:00
> 
>     Update minimum APR version in a few more places
>

now let's bisect:

> osipovmi@deblndw011x:~/var/Projekte/tomcat-native (apache-1.3.x =)
> $ git bisect start HEAD HEAD~4
> Binäre Suche: danach noch 1 Commit zum Testen übrig (ungefähr 1 Schritt)
> [ef40b6d00c4bdaa23960b5dc0eaac28cce758d29] Update minimum APR version in a few more places

...fast forward

Show 11 quoted lines

> osipovmi@deblndw011x:~/var/Projekte/tomcat-native ((ba1454e15...)|BISECTING)
> $ git bisect bad
> ba1454e15619a44fe66d86f59c766c0cc25323eb is the first bad commit
> commit ba1454e15619a44fe66d86f59c766c0cc25323eb
> Author: Mark Thomas <markt@apache.org>
> Date:   Tue Feb 13 08:27:43 2024 +0000
> 
>     Fix link
> 
>  xdocs/news/project.xml | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

The config for date format is ignored. Is uses the default value.

An oversight or bug?

Michael