Re: [PATCH v4] checkpatch: warn for non-standard fixes tag style

[Joe Perches]

On Fri, 2022-09-09 at 10:57 -0700, Joe Perches wrote:
> On Fri, 2022-09-09 at 09:40 +0200, niklas.soderlund@xxxxxxxxxxxx wrote:
> > On 2022-09-08 17:49:14 +0000, Philippe Schenker wrote:
[]
> > > I would check all lines that start with fixes, even if there is
> > > whitespace in front (and then failing later on...)
> > > 
> > > if (!$in_header_lines && $line =~ /^\s*fixes:?/i) {
> 
> I think that's a poor idea.
> 
> You should really review git history for lines that start with fixes
> and look at the number of false positives that would give.
> 
> Try this grep:
> 
> $ git log -100000 --no-merges --grep="^\s*fixes" -i --format=email -P | \
>   grep -P -i "^\s*fixes)" | \
>   grep -P -v "^Fixes: [0-9a-f]{12,}'
> [...]
> 
> That is a greater than 10% false positive rate.

One day I'll be better at typing grep commands in the editor...

Try:

$ git log -100000 --no-merges --grep="^\s*fixes" -i --format=email -P | \
  grep -P -i "^\s*fixes" | \
  grep -P -v "^Fixes: [0-9a-f]{12,}"