[U-Boot] [PATCH v2] patman: Use the Change-Id, version, and prefix in the Message-Id

[Doug Anderson]

Johannes,

On Thu, Sep 5, 2019 at 12:48 PM Johannes Berg <johannes at sipsolutions.net> wrote:
>
> On Tue, 2019-09-03 at 13:15 -0700, Douglas Anderson wrote:
> >
> > Let's give that a try.
> >
> > In theory (if there is enough adoption) this could help a tool more
> > reliably find various versions of a commit.
>
> It's not quite as good as this (yet), but a very simple version of it
> for git-send-email could be this:
>
> --- save as .git/hooks/sendemail-validate ---
> #!/bin/sh
>
> set -e
>
> changeid=$(sed 's/^Change-Id: \(I.*\)$/\1/;t;d' $1)
> date=$(date +%s)
> sed 's/^Change-Id: I.*$//;T;d' -i $1
> sed "s/^From: /Message-Id: <$date-$changeid at changeid>\nFrom: /" -i $1
> #--- end script ---
>
>
> It won't do the RFC/which patch of a series etc. but I consider that
> less interesting.
>
> Actually, the important part for me is to be to be able to have change-
> ids locally (e.g. for working with gerrit), and not have that leak out
> to the community (that doesn't like them).
>
> As a maintainer in the community, I'll also need to change the
> .git/hooks/commit-msg script that comes with gerrit to not add a Change-
> Id if the commit comes with a Link: tag already, but that should be
> easy.

Do you have any idea how to encourage adoption of your git hook?
Would it make sense to do something like check it in to the Linux
kernel somewhere?

-Doug