Re: get_maintainer.pl sends bogus addresses to git send-email

[Jeff King <peff@peff.net>]

On Tue, Apr 07, 2020 at 10:18:41AM -0700, Joe Perches wrote:

> On Tue, 2020-04-07 at 13:02 -0400, Jeff King wrote:
> > On Tue, Apr 07, 2020 at 05:40:46PM +0200, Olaf Hering wrote:
> > 
> > > For me sending patches via git send-email fails because email address
> > > conversion is failing. Something appends a ')' to x86/lkml@kernel.org.
> > > I suspect the double '))' in MAINTAINERS is confusing the command.
> > > I tried to send the trivial patch from v5.0 and v5.6 tag.
> > > 
> > > Is this a failure in ./scripts/get_maintainer.pl,
> > > or is this something git does internally?
> > > I'm sure others use such command on a daily basis, so likely something on
> > > my end became broken at some point in the past.
> > 
> > It's a bug in send-email's hand-rolled address parser, which was fixed
> > in bd869f67b9 (send-email: add and use a local copy of Mail::Address,
> > 2018-01-05). Upgrade to Git v2.17.0 or newer.
> 
> Not really.
> You need to add --norolestats on the get_maintainer command line
> 
> git send-email expects bare email addresses, not ones annotated
> with additional content.

I agree that dropping them from the output is even better, if you'd
never want them to be sent.

Syntactically they are rfc822 comments, and send-email _should_ be able
to handle them (and does in recent versions).

> For instance:
> 
> $ ./scripts/get_maintainer.pl -f lib/vsprintf.c
> Petr Mladek <pmladek@suse.com> (maintainer:VSPRINTF)
> Steven Rostedt <rostedt@goodmis.org> (maintainer:VSPRINTF)
> Sergey Senozhatsky <sergey.senozhatsky@gmail.com> (maintainer:VSPRINTF)
> Andy Shevchenko <andriy.shevchenko@linux.intel.com> (reviewer:VSPRINTF)
> Rasmus Villemoes <linux@rasmusvillemoes.dk> (reviewer:VSPRINTF)

In all of these cases send-email will drop the bit in parentheses.

> linux-kernel@vger.kernel.org (open list)

In this one, I think that the comment will be used as the name field,
since there isn't one.

-Peff