Re: Regression: git send-email fails with "Use of uninitialized value $address" + "unable to extract a valid address"

> On 10/20/23 06:04, Uwe Kleine-König wrote:
> > hello,
> > 
> > On Fri, Oct 13, 2023 at 04:14:37PM +0200, Uwe Kleine-König wrote:
> >> Hello,
> >>
> >> 	$ git send-email --to 'A B <a@b.org>, C D <c@d.org>' lala.patch
> >> 	Use of uninitialized value $address in sprintf at /usr/lib/git-core/git-send-email line 1172.
> >> 	error: unable to extract a valid address from:
> >>
> >> This happens for me with git 2.42.0 and also on master (59167d7d09fd, "The seventeenth batch").
> >>
> >> Bisection points at
> >>
> >> 	a8022c5f7b67 ("send-email: expose header information to git-send-email's sendemail-validate hook")
> >>
> >> I didn't try to understand that change and fix the problem.
> > 
> > Another (similar?) problem with non-ascii-chars:
> > 
> > 	$ git send-email --to 'Will Deacon <will@kernel.org>' --to 'Krzysztof Wilczyński <kw@linux.com>' --to 'Lorenzo Pieralisi <lpieralisi@kernel.org>' --cc 'Rob Herring <robh@kernel.org>' --to 'Bjorn Helgaas <bhelgaas@google.com>' --cc 'linux-pci@vger.kernel.org' --cc kernel@pengutronix.de -1 --base=@~
> > 	Use of uninitialized value $address in sprintf at /home/uwe/gsrc/git/git-send-email line 1162.
> > 	error: unable to extract a valid address from:
> > 
> > Bisection points to the same commit, when dropping ń in Krzysztof's
> > name, it works fine.
> > 
> This is interesting.  Thanks for reporting it.  If you are able, could you please try the patches found in the below threads:
> - https://public-inbox.org/git/20230918212004.GC2163162@coredump.intra.peff.net/T/#mae64003cbb72f015bf5c0c04216524fcb6bb8d09