Re: [REGRESSION] uninitialized value $address in git send-email

> Hi,
> 
> Author of a8022c5f7b67 (send-email: expose header information to
> git-send-email's sendemail-validate hook, 2023-04-19) here.
> 
> On 2023-09-18 08:56, Bagas Sanjaya wrote:
> > I triggered this issue on patch series with cover letter. To reproduce:
> >
> > 1. Clone git.git repo, then branch off:
> >
> >    ```
> >    $ git clone https://github.com/git/git.git && cd git
> >    $ git checkout -b test
> >    ```
> >
> > 2. Make two dummy signed-off commits:
> >
> >    ```
> >    $ echo test > test && git add test && git commit -s -m "test"
> >    $ echo "test test" >> test && git commit -a -s -m "test test"
> >    ```
> >
> > 3. Generate patch series:
> >
> >    ```
> >    $ mkdir /tmp/test
> >    $ git format-patch -o /tmp/test --cover-letter main
> >    ```
> >
> > 4. Send the series to dummy address:
> >
> >    ```
> >    $ git send-email --to="pi <pi@pi>" /tmp/test/*.patch
> >    ```
> 
> I tried to repro this today on my side.  I can repro the error when
> using the address "pi <pi@pi>" but that's not a valid email address and
> so one would expect it to fail in the extract_valid_address_or_die
> function with the error that you mention.  As soon as I make the address
> valid like "pi <pi@pi.com>", git send-email no longer complains.
> 
> In your original case, are you trying to send email to an invalid email
> address?  Is it an alias by chance?