Re: Skipping adding Signed-off-by even if it's not the last on git commit

[Junio C Hamano <gitster@pobox.com>]

Jeff King <peff@peff.net> writes:

>> >   git config trailer.sign.key Signed-off-by
>> >   git config trailer.sign.cmd \
>> >     'git var GIT_COMMITTER_IDENT | sed "s/>.*/>/";:'
>> >   git commit --trailer=sign
>> >
>> > which is only a little more typing than --signoff, but it's not very
>> > ergonomic.
>> 
>> It does not look _too_ bad, though.
>
> What I don't like about it is:
>
>   - the external cmd is complicated and slow. It would be nice if you
>     could just set trailer.sign.ident=true or something, and it would
>     use your ident by default if no value is given (and maybe even do
>     completion similar to "commit --author" if a value is given).

Ah, "trailer.sign.value" to use the same value does not exist, and
the closest kludge we can use is the .cmd thing?  Then it is a shame
but it should be easy to correct?

>   - you have to know to be clever enough to define and use
>     --trailer=sign. If --signoff didn't exist, that's not too big a
>     stretch. But since it does, everyone will naturally reach for it
>     first.

We could reimplement --signoff to actually take attention to the
"trailer.sign.*" thing, if we wanted to, and that makes it very easy
to explain, I guess.