Re: [PATCH] checkpatch: Reduce git commit description style false positives

From	Andrew Morton <akpm@linux-foundation.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] checkpatch: Reduce git commit description style false positives
Date	2016-05-28 00:00 +0200
Message-ID	<rDxXs-ni-15@gated-at.bofh.it> (permalink)
References	<rDxuq-b0-5@gated-at.bofh.it> <rDxuq-b0-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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On Fri, 27 May 2016 14:20:42 -0700 Joe Perches <joe@perches.com> wrote:

> Some lines in a commit log appear to be commit SHA1 ids like:
> 
> ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'
> Link: http://lkml.kernel.org/r/40e03fd7aaf1f55c75d787128d6d17c5a71226c2.1464358556.git.vdavydov@virtuozzo.com
> 
> Reduce the false positives.
> 

hm, I still get the falsie when checking this very patch.


From: Joe Perches <joe@perches.com>
Subject: checkpatch: reduce git commit description style false positives

Some lines in a commit log appear to be commit SHA1 ids like:

ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'
Link: http://lkml.kernel.org/r/40e03fd7aaf1f55c75d787128d6d17c5a71226c2.1464358556.git.vdavydov@virtuozzo.com

Reduce the false positives.

Link: http://lkml.kernel.org/r/eda977eaa8328fef42bb3c87935d97e10ea8ff67.1464384023.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 scripts/checkpatch.pl |    1 +
 1 file changed, 1 insertion(+)

diff -puN scripts/checkpatch.pl~checkpatch-reduce-git-commit-description-style-false-positives scripts/checkpatch.pl
--- a/scripts/checkpatch.pl~checkpatch-reduce-git-commit-description-style-false-positives
+++ a/scripts/checkpatch.pl
@@ -2454,6 +2454,7 @@ sub process {
 
 # Check for git id commit length and improperly formed commit descriptions
 		if ($in_commit_log && !$commit_log_possible_stack_dump &&
+		    $line !~ /^\s*(?:Link|Patchwork|http|BugLink):/i &&
 		    ($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
 		     ($line =~ /\b[0-9a-f]{12,40}\b/i &&
 		      $line !~ /[\<\[][0-9a-f]{12,40}[\>\]]/i &&
_


WARNING: Possible unwrapped commit description (prefer a maximum 75 chars per line)
#6: 
ERROR: Please use git commit description style 'commit <12+ chars of sha1> ("<title line>")' - ie: 'commit 0123456789ab ("commit description")'


Perhaps we could special-case the "unwrapped commit description" as
well - the Link: lines are almost always too wide.

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[PATCH] checkpatch: Reduce git commit description style false positives Joe Perches <joe@perches.com> - 2016-05-27 23:30 +0200
  Re: [PATCH] checkpatch: Reduce git commit description style false  positives Joe Perches <joe@perches.com> - 2016-05-28 00:00 +0200
  Re: [PATCH] checkpatch: Reduce git commit description style false  positives Andrew Morton <akpm@linux-foundation.org> - 2016-05-28 00:00 +0200

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