checkpatch: yet another commit id improvement

Using \b isn't good enough to isolate what appears to be a commit id in
a commit message.

Make sure there is a space or a quote like character after a continuous
run of hexadecimal characters that could be a commit id.

Link: http://lkml.kernel.org/r/fdd22b47463a21c21132edbb8aa35e372950a1e6.1468869915.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Cc: "Zhuo, Qiuxu" <qiuxu.zhuo@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 7927300..7a28775 100755 (executable)
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2459,9 +2459,9 @@ 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 &&
+                   $line !~ /^\s*(?:Link|Patchwork|http|https|BugLink):/i &&
                    ($line =~ /\bcommit\s+[0-9a-f]{5,}\b/i ||
-                    ($line =~ /\b[0-9a-f]{12,40}\b/i &&
+                    ($line =~ /(?:\s|^)[0-9a-f]{12,40}(?:[\s"'\(\[]|$)/i &&
                      $line !~ /[\<\[][0-9a-f]{12,40}[\>\]]/i &&
                      $line !~ /\bfixes:\s*[0-9a-f]{12,40}/i))) {
                        my $init_char = "c";