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SubjectRe: [PATCH v7] checkpatch: warn for non-standard fixes tag style
Hello Joe,

Just wanted to check on my misunderstanding below before posting a v8.

On 2022-09-15 11:15:06 +0200, Niklas Söderlund wrote:
> Hi Joe,
>
> On 2022-09-14 09:09:25 -0700, Joe Perches wrote:
> > On Wed, 2022-09-14 at 12:02 +0200, Niklas Söderlund wrote:
> > > Add a warning for fixes tags that does not follow community conventions.
> > []
> > > * Changes since v6
> > > - Update first check to make sure that there is a likely SHA1 of some
> > > minimum length after the fixes line.
> >
> > https://lore.kernel.org/lkml/2febb7893346b6234983453de7c037536e479bfc.camel@perches.com/
> >
> > The goal here should be to identify a line that looks like a commit
> > reference.
> >
> > So find lines that starts with 'fixes' and have a SHA1 commit id as
> > broadly as reasonable.
> >
> > Did you run the grep pattern and look at the results?
> >
> > One grep pattern to verify the non canonical fixes format that
> > are mistakenly used is:
> >
> > $ git log --since=5-years-ago --no-merges --grep='^\s*fixes' -i --format=email -P | \
> > grep -P -i '^\s*fixes' | \
> > grep -P -v '^Fixes: [0-9a-f]{12,12}\s*\(".*")'
> >
> > []
> >
> > There are many different styles.
> > Parenthesea are sometimes not used.
>
> I understand this, and I did have a look at it.
>
> >
> > > + if ($line =~ /(\s*fixes:?)\s+([0-9a-f]{5,})\s+($balanced_parens)/i) {
> >
> > How about some pattern like
> >
> > /fixes\s*:?\s*(?:commit:?\s*)?[0-9a-f]{5,}/i
> >
> > or maybe even more broadly:
> >
> > /fixes\b.*\b[0-9a-f]{5,}\b/i
>
> Maybe I misunderstand your comment, but this is what I do in this patch?
>
> if (!$in_header_lines &&
> $line =~ /^\s*fixes:?\s*(?:commit\s*)?[0-9a-f]{5,}\b/i) {
>
> ...
>
> if ($line =~ /(\s*fixes:?)\s+([0-9a-f]{5,})\s+($balanced_parens)/i) {
> ...
> }
> }
>
> This will catch and warn about such tags but not attempt to break out
> it's components in order to suggest a potentially more correct fix. Is
> it this second filter you would like me to change?
>
> --
> Kind Regards,
> Niklas Söderlund

--
Kind Regards,
Niklas Söderlund

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