git-am changes author if its short

> When applying a patch using git am test.patch, if author consists of 1
> or 2 letters, then it is being replaced with author email instead.
> 
> For example take patch with such line:
> 
> From: AA <git@bloodstone.dev>
> 
> Upon applying such patch, the author is replaced with email:
> 
> Author: git@bloodstone.dev <git@bloodstone.dev>
> 
> I did try multiple different 1 or 2 letter names, they all seem to
> have the same issue. 3 letter names work fine. This was tested by 3
> people in our project, and happens in very different setups.
> 
> I'm having a hard time finding the exact cause of it. Tried searching
> for issues, but didn't find anything. Maybe someone has an idea what
> could it be caused by?

> On 2021-07-07 18:46:53+0200, Professor Bloodstone <prof.bloodstone@gmail.com> wrote:
> > When applying a patch using git am test.patch, if author consists of 1
> > or 2 letters, then it is being replaced with author email instead.
> > 
> > For example take patch with such line:
> > 
> > From: AA <git@bloodstone.dev>
> > 
> > Upon applying such patch, the author is replaced with email:
> > 
> > Author: git@bloodstone.dev <git@bloodstone.dev>
> > 
> > I did try multiple different 1 or 2 letter names, they all seem to
> > have the same issue. 3 letter names work fine. This was tested by 3
> > people in our project, and happens in very different setups.
> > 
> > I'm having a hard time finding the exact cause of it. Tried searching
> > for issues, but didn't find anything. Maybe someone has an idea what
> > could it be caused by?
> 
> A patch for this problem has been merged [1]. Git 2.32.0 should have
> this problem fixed.

> 
> 1: https://lore.kernel.org/git/xmqq4kf25lso.fsf@gitster.g/
> 
> -- 
> Danh