Subject: Re: linux-next: manual merge of the jc_docs tree with the mm tree

From: Andrew Morton <[email-masked]>
Date: Mon, 6 Jan 2025 18:20:04 -0800

On Mon, 06 Jan 2025 08:05:21 -0700 Jonathan Corbet <[email-masked]> wrote:

> > --- a/scripts/checkpatch.pl
> > +++ b/scripts/checkpatch.pl
> > @@@ -3237,12 -3237,12 +3237,12 @@@ sub process 
> >   			my ($cid, $ctitle) = git_commit_info($orig_commit, $id,
> >   							     $title);
> >   
> >  -			if ($ctitle ne $title || $tag_case || $tag_space ||
> >  -			    $id_length || $id_case || !$title_has_quotes) {
> >  +			if (defined($cid) && ($ctitle ne $title || $tag_case || $tag_space || $id_length || $id_case || !$title_has_quotes)) {
> >  +				my $fixed = "Fixes: $cid (\"$ctitle\")";
> >   				if (WARN("BAD_FIXES_TAG",
> > - 				     "Please use correct Fixes: style 'Fixes: <12 chars of sha1> (\"<title line>\")' - ie: '$fixed'\n" . $herecurr) &&
> >  -				     "Please use correct Fixes: style 'Fixes: <12+ chars of sha1> (\"<title line>\")' - ie: 'Fixes: $cid (\"$ctitle\")'\n" . $herecurr) &&
> > ++				     "Please use correct Fixes: style 'Fixes: <12+ chars of sha1> (\"<title line>\")' - ie: '$fixed'\n" . $herecurr) &&
> 
> ...it all comes down to a single "+" sign here.  If 253f01394dc0 could
> be tweaked to add that character, I think this conflict would go away
> and we wouldn't make Linus delve into Perl code...?

Sure, I added this:

--- a/scripts/checkpatch.pl~checkpatch-check-return-of-git_commit_info-fix
+++ a/scripts/checkpatch.pl
@@ -3240,7 +3240,7 @@ sub process {
 			if (defined($cid) && ($ctitle ne $title || $tag_case || $tag_space || $id_length || $id_case || !$title_has_quotes)) {
 				my $fixed = "Fixes: $cid (\"$ctitle\")";
 				if (WARN("BAD_FIXES_TAG",
-				     "Please use correct Fixes: style 'Fixes: <12 chars of sha1> (\"<title line>\")' - ie: '$fixed'\n" . $herecurr) &&
+				     "Please use correct Fixes: style 'Fixes: <12+ chars of sha1> (\"<title line>\")' - ie: '$fixed'\n" . $herecurr) &&
 				    $fix) {
 					$fixed[$fixlinenr] = $fixed;
 				}
_