Re: [PATCH] checkpatch: use patch subject when reading from stdin

[Geert Uytterhoeven]

Hi Joe,

On Tue, Oct 8, 2019 at 5:20 PM Joe Perches <joe@xxxxxxxxxxx> wrote:
> 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.
> []
> > diff --git 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;
>
> Hi again Geert.
>
> Just some stylistic nits:
>
> $filename is not quoted so I think adding quotes
> before and after $subject may not be useful.

Filename is indeed not quoted, but $git_commits{$filename} is.

> Can you please use what checkpatch uses as a more
> common parenthesis style after an if?
>
> i.e. use:
>         if (foo)
> not
>         if foo
>
> so maybe:
>
>         if ($filename eq '-' && $_ =~ /^Subject:\s*(.*)/) {
>                 $vname = $1;
>         }
>
> or maybe
>
>         $vname = $1 if ($filename eq '-' && $_ =~ /^Subject:\s*(.*)/);

Thanks, will give it a try...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds