Re: [PATCH 2/2] checkpatch: warn on known non-plural rust doc headers

[Joe Perches]

On Fri, 2024-09-06 at 18:05 +0000, Patrick Miller wrote:
> Adds a check for documentation in rust file. Warns if certain known
> documentation headers are not plural. Even though some sections may
> be singular (i.e. only one example), the header should still be plural
> so that more examples can be added later without needing to change the
> header.
> 
> Fixed the whitespace issue on my previous patch.

Well, one of them.

> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
[]
> @@ -3900,6 +3900,13 @@ sub process {
>  			     "Avoid using '.L' prefixed local symbol names for denoting a range of code via 'SYM_*_START/END' annotations; see Documentation/core-api/asm-annotations.rst\n" . $herecurr);
>  		}
>  
> +# check that document section headers are plural in rust files
> +		if ($realfile =~ /\.rs$/
> +			&& $rawline =~ /^\+\s*\/\/\/\s+#+\s+(Example|Invariant|Guarantee|Panic)\s*$/) {
> +			WARN( "RUST_DOC_HEADER",
> +				"Rust doc headers should be plural\n" . $herecurr );

There is no autoformatter for checkpatch/perl/etc.

Continuation && on previous line
No space after open paren
Align to open paren
No space before close paren

I think this is an overly trivial addition.