On Tue, 2019-10-08 at 11:40 +0200, Geert Uytterhoeven wrote:
> When reading a patch file from standard input, checkpatch calls it "Your
> patch", and reports its state as:
> 
>     Your patch has style problems, please review.
> 
> or:
> 
>     Your patch has no obvious style problems and is ready for submission.
> 
> Hence when checking multiple patches by piping them to checkpatch, e.g.
> when checking patchwork bundles using:
> 
>     formail -s scripts/checkpatch.pl < bundle-foo.mbox
> 
> it is difficult to identify which patches need to be reviewed and
> improved.
> 
> Fix this by replacing "Your patch" by the patch subject, if present.

Seems sensible, thanks Geert

> Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
> ---
>  scripts/checkpatch.pl | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index 6fcc66afb0880830..6b9feb4d646a116b 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -1047,6 +1047,10 @@ for my $filename (@ARGV) {
>       }
>       while (<$FILE>) {
>               chomp;
> +             if ($vname eq 'Your patch') {
> +                     my ($subject) = $_ =~ /^Subject:\s*(.*)/;
> +                     $vname = '"' . $subject . '"' if $subject;

trivia:

Not a big deal and is likely good enough but this will
cut off subjects that are continued on multiple lines.

e.g.:

Subject: [PATCH Vx n/M] very long description with a subject spanning
 multiple lines
From: patch submitter <submit...@domain.tld>

> +             }
>               push(@rawlines, $_);
>       }
>       close($FILE);

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