linux-kernel - Re: [PATCH v2 0/1] Add add-maintainer.py script

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Date:   Wed, 16 Aug 2023 10:15:38 -0700
From:   Guru Das Srinagesh <quic_gurus@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
CC:     Masahiro Yamada <masahiroy@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Nicolas Schier" <nicolas@...sle.eu>,
        Kees Cook <keescook@...omium.org>,
        "Bjorn Andersson" <andersson@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, Will Deacon <will@...nel.org>,
        "Greg Kroah-Hartman" <gregkh@...uxfoundation.org>,
        <quic_pkondeti@...cinc.com>, <u.kleine-koenig@...gutronix.de>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v2 0/1] Add add-maintainer.py script

Thanks for the comments, Krzysztof.

On Aug 15 2023 23:06, Krzysztof Kozlowski wrote:
> On 10/08/2023 20:55, Guru Das Srinagesh wrote:
> > On Aug 03 2023 01:23, Guru Das Srinagesh wrote:
> >> When pushing patches to upstream, the `get_maintainer.pl` script is used to
> >> determine whom to send the patches to. Instead of having to manually process
> >> the output of the script, add a wrapper script to do that for you.
> >>
> >> The add-maintainer.py script adds maintainers (and mailing lists) to a patch,
> >> editing it in-place.
> > 
> > Could I request reviews from the other maintainers as well, please? Just to see
> > if I should continue working on this script or if the `b4` tool obviates the
> > need for such a script.
> 
> I send a bit of patches but I use very simple workflow. It is really
> simple, so simple, that I was always surprised how people can make their
> life difficult with some complicated process to send patches... and then
> obviously skip some maintainers, because of that process.

Exactly - this script aims to solve precisely that problem. It fills the gap
between running `get_maintainers.pl` and having to manually edit its output to
add "To: " and "Cc: " and somehow incorporate it in the body of the patch(es).

With this script, the workflow would be as simple as:

  1. Generate patches using `git format-patch`
  2. Run `add-maintainer.py` on the above patches
  3. `git send-email` the patches.

That's it - no need to manually work with email addresses.
  
> I almost always feed git send-email with addresses from
> scripts/get_maintainers.pl. This tool would not bring any benefits to my
> simple workflow.

In the light of the 3-step workflow I've envisioned above, could you please
elaborate why not? If anything, it will only save a developer's time.

> For newcomers, OTOH, I would either recommend simple workflow or just
> use b4. Why? Because if you cannot use git-send-email, then it means
> your email setup will make your life difficult and adding maintainers to
> existing patch won't help you.

You've mentioned a "simple workflow" many times - could you please share more
details on the steps you follow in your workflow for sending patches?

> This tool depends on the command line and shell interface of
> scripts/get_maintainers.pl which is another reason why it might not be a
> good idea.

Could you please elaborate on why depending on the output of
`get_maintainer.pl` is a bad idea? It's what everyone uses, no?

Thank you.

Guru Das.