From: Junio C Hamano <gitster@pobox.com>
Date: Wed, 06 Nov 2013 17:18:12 GMT
Subject: Re: [RFC/PATCH] Add interpret-trailers builtin
Message-ID: <xmqq4n7pa1pn.fsf@gitster.dls.corp.google.com>
In-Reply-To: <CAP8UFD0STna++2StV1RcT2bB83Lh_hFQU94A0y4ziovs61Z==A@mail.gmail.com>

Christian Couder <christian.couder@gmail.com> writes:

> To append a s-o-b only if there is no s-o-b already, one would need to use:
>
> [trailer "signoff"]
>          key = "Signed-off-by:"
>          if_exist = dont_append
>          if_missing = append
>          command = echo "$GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL>"'

But that is insufficient to emulate what we do, no?  I.e. append
unless the last one is from the same person we are about to add.