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Re: [PATCH/RFC] Support --append-trailer in cherry-pick and revert

On Tue, Nov 06, 2018 at 06:48:22PM +0100, Ævar Arnfjörð Bjarmason wrote:

> The implementation looks fine to me, but as noted in
> https://public-inbox.org/git/8736se6qyc.fsf@xxxxxxxxxxxxxxxxxxx/ I
> wonder what the plausible end-game is. That we'll turn this on by
> default in a few years, and then you can only worry about
> git-interpret-trailers for repos created as of 2020 or something?
> Otherwise it seems we'll need to *also* parse out the existing messages
> we've added.

Could we help the reading scripts by normalizing old and new output via
interpret-trailers, %(trailers), etc?

I think "(cherry picked from ...)" is already considered a trailer by
the trailer code. If the caller instructs us to, we could probably
rewrite it to:

  Cherry-picked-from: ...

in the output. Then the end-game is that scripts should just use
interpret-trailers, etc, and old and new commits will Just Work.