linux-kernel - Re: [PATCH v2] checkpatch: add new exception to repeated word check

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Date:   Wed, 14 Oct 2020 23:42:09 +0530
From:   Dwaipayan Ray <dwaipayanray1@...il.com>
To:     Joe Perches <joe@...ches.com>
Cc:     linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org, lukas.bulwahn@...il.com
Subject: Re: [PATCH v2] checkpatch: add new exception to repeated word check

On Wed, Oct 14, 2020 at 11:33 PM Joe Perches <joe@...ches.com> wrote:
>
> On Wed, 2020-10-14 at 22:07 +0530, Dwaipayan Ray wrote:
> > Recently, commit 4f6ad8aa1eac ("checkpatch: move repeated word test")
> > moved the repeated word test to check for more file types. But after
> > this, if checkpatch.pl is run on MAINTAINERS, it generates several
> > new warnings of the type:
>
> Perhaps instead of adding more content checks so that
> word boundaries are not something like \S but also
> not punctuation so that content like
>
>         git git://
>         @size size
>
> does not match?
>
>
Hi,
So currently the words are trimmed of non alphabets before the check:

while ($rawline =~ /\b($word_pattern) (?=($word_pattern))/g) {
my $first = $1;
my $second = $2;

where, the word_pattern is:
my $word_pattern = '\b[A-Z]?[a-z]{2,}\b';

So do you perhaps recommend modifying this word pattern to
include the punctuation as well rather than trimming them off?

Thanks,
Dwaipayan.