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SubjectRe: [PATCH] checkpatch: disable commit log length check warning for signature tag
On Sun, Jul 26, 2020 at 11:14:42PM -0700, Joe Perches wrote:
> On Mon, 2020-07-27 at 11:24 +0530, Nachiket Naganure wrote:
> > Disable commit log length check in case of signature tag. If the commit
> > log line has valid signature tags such as "Reported-and-tested-by" with
> > more than 75 characters, suppress the long length warning.
> >
> > For instance in commit ac854131d984 ("USB: core: Fix misleading driver bug
> > report"), the corresponding patch contains a "Reported by" tag line which
> > exceeds 75 chars. And there is no valid way to shorten the length.
> >
> > Signed-off-by: Nachiket Naganure <nachiketun8@gmail.com>
> > ---
> > scripts/checkpatch.pl | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> > index 197436b20288..46237e9e0550 100755
> > --- a/scripts/checkpatch.pl
> > +++ b/scripts/checkpatch.pl
> > @@ -2806,6 +2806,8 @@ sub process {
> > # filename then :
> > $line =~ /^\s*(?:Fixes:|Link:)/i ||
> > # A Fixes: or Link: line
> > + $line =~ /$signature_tags/ ||
> > + # Check for signature_tags
> > $commit_log_possible_stack_dump)) {
> > WARN("COMMIT_LOG_LONG_LINE",
> > "Possible unwrapped commit description (prefer a maximum 75 chars per line)\n" . $herecurr);
>
> OK, but the test should be:
>
> $line =~ /^\s*$signature_tags/ ||
>
> so the line has to start with a signature and
> it won't match on signature tags in the middle
> of other content on the same line.
>
>
But the suggested won't work in case of merged signatures.
Such as "Reported-and-tested-by: user@email.com"

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