linux-kernel - Re: [PATCH] scripts: add checkmaintainers.py

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Date:	Mon, 17 Dec 2012 11:09:43 -0800
From:	Joe Perches <joe@...ches.com>
To:	Borislav Petkov <bp@...en8.de>
Cc:	Michal Marek <mmarek@...e.cz>,
	Cesar Eduardo Barros <cesarb@...arb.net>,
	linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>
Subject: Re: [PATCH] scripts: add checkmaintainers.py

On Mon, 2012-12-17 at 10:56 -0800, Joe Perches wrote:
> On Mon, 2012-12-17 at 18:00 +0100, Borislav Petkov wrote:
> > On Mon, Dec 17, 2012 at 07:35:44AM -0800, Joe Perches wrote:
> > > Perhaps Cesar can use his script as a starting point to find those
> > > pattern invalidating commits or maybe add the capability (or a
> > > --strict check) to checkpatch.

> > So, yeah, I can see how checkpatch saying: "you've just renamed a
> > file and thusly invalidated a pattern in MAINTAINERS. Pls, consider
> > correcting the pattern" could make sense. And I would even add it to
> > default functionality since the MAINTAINERS patterns are something we
> > want to always have up-to-date, IMO.
> 
> Maybe something like this:

A trivial correction:

>  scripts/checkpatch.pl |   20 ++++++++++++++++++--
>  1 files changed, 18 insertions(+), 2 deletions(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -1556,6 +1559,19 @@ sub process {
>  				ERROR("MODIFIED_INCLUDE_ASM",
>  				      "do not modify files in include/asm, change architecture specific files in include/asm-<architecture>\n" . "$here$rawline\n");
>  			}

This needs a new test here to avoid chirping
on files that aren't added, deleted or renamed.

		next if ($realfile eq $modifiedfile);

> +
> +			my $action = "renames $modifiedfile to $realfile";
> +			$action = "creates file $realfile" if ($modifiedfile =~ m@.../null@);
> +			$action = "deletes file $modifiedfile" if ($realfile =~ m@.../null@);
> +
> +			CHK("MAINTAINERS",
> +			    "Patch $action, update MAINTAINERS?\n");


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