linux-kernel - Re: [RFC PATCH v2] checkpatch: add shebang check to EXECUTE

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Date:   Wed, 14 Oct 2020 08:47:09 +0200 (CEST)
From:   Lukas Bulwahn <lukas.bulwahn@...il.com>
To:     Joe Perches <joe@...ches.com>
cc:     Lukas Bulwahn <lukas.bulwahn@...il.com>,
        Ujjwal Kumar <ujjwalkumar0501@...il.com>,
        linux-kernel@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org
Subject: Re: [RFC PATCH v2] checkpatch: add shebang check to
 EXECUTE_PERMISSIONS



On Tue, 13 Oct 2020, Joe Perches wrote:

> On Wed, 2020-10-14 at 08:36 +0200, Lukas Bulwahn wrote:
> > 
> > On Tue, 13 Oct 2020, Joe Perches wrote:
> > 
> > > On Wed, 2020-10-14 at 08:21 +0200, Lukas Bulwahn wrote:
> > > > What does checkpatch.pl warn about and what does clang-format still warn 
> > > > about, which is generally accepted okay as style in the kernel?
> > > 
> > > clang-format doesn't warn at all, it just reformats.
> > > 
> > You can run clang-format with --dry-run and then it would just state the 
> > proposed changes, right?
> 
> clang-format through at least version 10 does not have
> a --dry-run option.
> 
>

Just a quick check:

version 9 does not have the --dry-run option:

https://releases.llvm.org/9.0.0/tools/clang/docs/ClangFormat.html

version 10 does:

https://releases.llvm.org/10.0.0/tools/clang/docs/ClangFormat.html

and version 12 (under development) does keep it:

https://clang.llvm.org/docs/ClangFormat.html

I have not played around with that, though.

Lukas