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checkpatch: add warning for lines starting with a '#' in commit log

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Commit log lines starting with '#' are dropped by git as comments.
Add a check to emit a warning for these lines.

Also add a --fix option to insert a space before the leading '#' in
such lines.

Link: https://lkml.kernel.org/r/20201202205740.127986-1-dwaipayanray1@gmail.com
Signed-off-by: Dwaipayan Ray <dwaipayanray1@gmail.com>
Suggested-by: Joe Perches <joe@perches.com>
Suggested-by: Peilin Ye <yepeilin.cs@gmail.com>
Tested-by: Peilin Ye <yepeilin.cs@gmail.com>
Acked-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Dwaipayan Ray 2020-12-15 20:45:18 -08:00 committed by Linus Torvalds
parent 70eb2275ff
commit 084a617acf
1 changed files with 9 additions and 0 deletions
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9
scripts/checkpatch.pl
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@ -3033,6 +3033,15 @@ sub process {
$commit_log_possible_stack_dump = 0;
}
# Check for lines starting with a #
if ($in_commit_log && $line =~ /^#/) {
if (WARN("COMMIT_COMMENT_SYMBOL",
"Commit log lines starting with '#' are dropped by git as comments\n" . $herecurr) &&
$fix) {
$fixed[$fixlinenr] =~ s/^/ /;
}
}
# 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|https|BugLink|base-commit):/i &&