Re: [PATCH v3 0/2] rebase: support --trailer

> From: Li Chen <chenl311@chinatelecom.cn>
>
> This two-patch series teaches git rebase a new
> --trailer <text> option and, as a prerequisite, moves all trailer
> handling out of the external interpret-trailers helper and into the
> builtin code path, as suggested by Phillip Wood.
>
> Patch 1 switches trailer.c to an in-memory implementation
> (amend_strbuf_with_trailers()). It removes every fork/exec.
>
> Patch 2 builds on that helper to implement
> git rebase --trailer.