From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 13 Apr 2016 01:38:13 GMT
Subject: Re: [PATCH] send-email: detect and offer to skip backup files
Message-ID: <xmqqvb3ml24a.fsf@gitster.mtv.corp.google.com>
In-Reply-To: <CAGZ79kZ+_JW-5BWdXse++_KaATO+qDhNtTz_k5gX507sObZyzA@mail.gmail.com>

Stefan Beller <sbeller@google.com> writes:

> Once I made the mistake to not remove a previous patch series I had,
> such that there was:
>
>   0000-coverletter.patch (newly worded)
>   0001-bla-from-new-series
>   0001-foo-from-old-series
>   0002-...
>   ...
>
> `git send-email 0*` then sent out a totally bogus series for me.
>
> As another user friendly helper we could warn/abort if the first <n> characters
> are the same as the previous patch as well?

I think that would be one of the many things that can be built on
top.  For example, you could notice that all messages begin with
4-digit and a dash, and send such a set to a special case (where
patches having duplicated numbers are signalled as a potential
error).