linux-kernel - Re: [PATCH] scripts/checkpatch.pl: Warn on non-executable files created with non 100644 file permissions

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Message-ID: <20101007065438.GB12741@pengutronix.de>
Date:	Thu, 7 Oct 2010 08:54:38 +0200
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Joe Perches <joe@...ches.com>
Cc:	Andy Whitcroft <apw@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] scripts/checkpatch.pl: Warn on non-executable files
	created with non 100644 file permissions

On Wed, Oct 06, 2010 at 04:31:31PM -0700, Joe Perches wrote:
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  scripts/checkpatch.pl |    8 ++++++++
>  1 files changed, 8 insertions(+), 0 deletions(-)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 2039acd..6f8a1d4 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1346,6 +1346,14 @@ sub process {
>  			}
>  		}
>  
> +		if ($rawline =~ /^ create mode (\d+) ([\w\.\/\-]+)$/) {

Do you really need to escape ./- in the character-class? ISTR this is not
needed.

> +			my $mode = $1;
> +			my $file = $2;
> +			if ($mode ne "100644" && !($file =~ /\.(sh|pl|py|awk)$/)) {
> +				WARN("FILE '$file' should probably use file permission 100644 not $mode\n" . $herecurr);
> +			}

What about checking for no filename extension, too, and changing the message to
something like "use proper file permission or proper extension"?

> +		}
> +
>  # Check for wrappage within a valid hunk of the file
>  		if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
>  			ERROR("patch seems to be corrupt (line wrapped?)\n" .
> 
> 
> --
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-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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