"Bertrand Jacquin" <beber.mailing@gmail.com> writes:

quoted text
> But I would like to send an email after merge to inform people that:
>
> o tree ``a'' and ``b'' have been merged.
> o made by John Doe at a time
> o show a diffstat.
> o show a --short-log=oneline from merge base.

Forgetting about a fast-forward merge,  (1) and (2) are
available in the commit header and the commit log, so is (4) if
you enable merge.summary configuration like Linus does in his
kernel repository.

The comment on diffstat Linus already made applies to (3), but
if you want you could do "git diff --stat HEAD^..HEAD" to see
what happened to that branch by merging the other branch into
it.

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