Re: [PATCH v3 0/3] send-email: add --mailmap support

> I recently sent a series to enable mailmap support in format patch. The
> discussion led me to realize that the true problem we wanted solved is to
> map addresses at send time, so that we do not accidentally include a dead
> mail address when sending an old change.
> 
> Instead of worrying about what the formatted patch has, this series
> implements support for mailmap at the send-email, which will translate all
> addresses, and not just the author/commit addresses for a patch, but also
> the email for any trailers.o
> 
> Since v2, we now have a configuration option (sendemail.mailmap) to enable
> this behavior. In addition, I enabled support for email-specific mailmap
> files.
> 
> The intention of these is to allow a maintainer to map the known-dead
> addresses of former colleagues onto a current email for an owner within the
> team. This would be used to update the send addresses to avoid including
> no-longer-valid addresses when sending patches. This is intended for cases
> where the original author is no longer valid such as when they are no
> longer employed to work on the project. While sometimes pointing to a
> canonical public address of that person may make sense, in other contexts,
> removing them from the email makes sense.
> 
> I believe this version solves the use case we have of ensuring that we stop
> sending emails with invalid addresses, and may be useful for others as
> well.
> 
> Signed-off-by: Jacob Keller <jacob.keller@gmail.com>
> ---
> Changes in v3:
> - Edit description of patch 1 to clarify lack of validation of email
>   addresses.
> - Update tests for check-mailmap, removing the bogus contact tests entirely.
> - Link to v2: https://lore.kernel.org/r/20240819-jk-send-email-mailmap-support-v2-0-d212c3f9e505@gmail.com
> 
> Changes in v2:
> - Loosen restriction on git check-mailmap by default, rather than
>   introducing a specific --no-brackets option.
> - Re-write commit message for the send-email changes.
> - Add --mailmap-file and --mailmap-blob options to git check-mailmap.
> - Add configuration options to git send-email for enabling mailmap support
>   by default, as well as providing send-email specific mailmap files.
> - Link to v1: https://lore.kernel.org/r/20240816-jk-send-email-mailmap-support-v1-0-68ca5b4a6078@gmail.com
> - Link to previous "v0": https://lore.kernel.org/r/20240813-jk-support-mailmap-git-format-patch-v1-1-1aea690ea5dd@gmail.com
> 
> ---
> Jacob Keller (3):
>       check-mailmap: accept "user@host" contacts
>       check-mailmap: add options for additional mailmap sources
>       send-email: add mailmap support via sendemail.mailmap and --mailmap
> 
>  mailmap.h                           |   7 +++
>  builtin/check-mailmap.c             |  25 +++++---
>  mailmap.c                           |   9 +--
>  Documentation/git-check-mailmap.txt |  18 ++++--
>  git-send-email.perl                 |  20 ++++++
>  t/t4203-mailmap.sh                  |  42 +++++++++++--
>  t/t9001-send-email.sh               | 122 ++++++++++++++++++++++++++++++++++++
>  7 files changed, 222 insertions(+), 21 deletions(-)
> ---
> base-commit: 87a1768b93a67d0420255a43d9e07387b2e805ad
> change-id: 20240816-jk-send-email-mailmap-support-1a9e86867c72
> 
> Best regards,
> -- 
> Jacob Keller <jacob.keller@gmail.com>
>