Re: [Ksummit-discuss] single maintainer profile directory (was Re: [PATCH] media: add a subsystem profile documentation)

[Mauro Carvalho Chehab <mchehab+samsung@kernel.org>]

Em Tue, 17 Sep 2019 09:33:11 -0700
Kees Cook <keescook@chromium.org> escreveu:

> On Tue, Sep 17, 2019 at 10:28:17AM -0300, Mauro Carvalho Chehab wrote:
> > No matter where the profiles will physically be stored, its contents belong 
> > to subsystem-specific documentation, and should be visible at the same index 
> > file as the kAPI docs is located, as anyone interested on submitting patches
> > for a subsystem should be aware about the subsystem specific policies and
> > details.  
> 
> That's a good point. I think your other suggestions below address my
> "find them all" case...
> 
> > So, my vote is to store them at Documentation/*/<subsystem> (together
> > with the kAPI book).
> >   
> > > since there are
> > > two ways someone would want to read profiles:
> > > 
> > > 1) a single profile, based on a MAINTAINERS entry which includes the path  
> > 
> > That is the common case. The problem is that the MAINTAINERS file
> > currently doesn't generate html output. This is not a problem for
> > "old school" devs, but a newbie wanting to collaborate to a single
> > specific subsystem may not notice - or understand - the importance
> > of the MAINTAINERS file[1].
> > 
> > [1] btw, that's why I submitted a RFC, several years ago, a patch
> > converting it to ReST - and later - another patch that would be parsing
> > its contents and producing a ReST output.
> > 
> > That's, by far, the most relevant usecase for the profiles, as the
> > audience is the ~4k Kernel developers.  
> 
> Oh yes, having a .rst of the MAINTAINERS file would be pretty great.
> Seems like it could just be a build target (and then dependency) for the
> sphinx targets?

You can't simply rename MAINTAINERS to .rst and let Sphinx handle it,
as:

	- The instructions at the top will be badly parsed;
	- It will also parse wrong the entries.

On the patches I wrote several years ago, I fixed the instructions
to make them to produce something that would produce a good output.
That's the easiest part.

For the entries contents, the simplest solution would be something like:

	diff --git a/MAINTAINERS b/MAINTAINERS
	index 6b4bc320e6ab..ae2afb14ae01 100644
	--- a/MAINTAINERS
	+++ b/MAINTAINERS
	@@ -147,4 +147,4 @@ F:	drivers/net/ethernet/3com/3c59x.c
	-M:	David Dillow <dave@thedillows.org>
	-L:	netdev@vger.kernel.org
	-S:	Maintained
	-F:	drivers/net/ethernet/3com/typhoon*
	+:M:	David Dillow <dave@thedillows.org>
	+:L:	netdev@vger.kernel.org
	+:S:	Maintained
	+:F:	drivers/net/ethernet/3com/typhoon*

A trivial change for a normal file, but doing this at MAINTAINERS
will be really painful, as it will cause lots of conflicts.

So, IMO, the best way to do it is to have a script (or to teach
get_maintainers.pl) to produce a ReST output that would do the
above.

The latest RFC about that with I sent was this one:

	https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1238576.html

I would probably address this on a different way those days.

A simple/lazy solution would be to apply the enclosed patch - or a
variant of it that would place the contents of MAINTAINERS outside
process/index.html, and add instructions about how to use
get_maintainers.pl.

Jon,

Please let me know if you're willing to accept something like that.

Thanks,
Mauro

[PATCH RFC] docs: process: add MAINTAINERS file contents

Anyone working with the Kernel need to consider the contents of the
MAINTAINERS file. So, add it to the ReST output.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/Documentation/process/index.rst b/Documentation/process/index.rst
index e2c9ffc682c5..22e5b42b8470 100644
--- a/Documentation/process/index.rst
+++ b/Documentation/process/index.rst
@@ -59,6 +59,9 @@ lack of a better place.
    volatile-considered-harmful
    clang-format
 
+.. include:: ../../MAINTAINERS
+   :literal:
+
 .. only::  subproject and html
 
    Indices
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