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Commit 585ada4f authored by David Keitel's avatar David Keitel Committed by Kyle Yan
Browse files

checkpatch: warn on long summary, commit text lines 



Warn on summary or commit text lines greater than 75 characters.
The summary and commit text are indented and may wrap on a terminal
if they are longer than 75 characters.

Signed-off-by: default avatarDavid Keitel <dkeitel@codeaurora.org>
parent 9b3ba35a

scripts/checkpatch.pl

+41 −1
Original line number Diff line number Diff line
@@ -11,6 +11,11 @@ use File::Basename; 
use Cwd 'abs_path';

use Term::ANSIColor qw(:constants);



use constant BEFORE_SHORTTEXT => 0;

use constant IN_SHORTTEXT => 1;

use constant AFTER_SHORTTEXT => 2;

use constant SHORTTEXT_LIMIT => 75;



my $P = $0;

my $D = dirname(abs_path($P));
@@ -2053,6 +2058,8 @@ sub process { 
	my $setup_docs = 0;



	my $camelcase_file_seeded = 0;

	my $shorttext = BEFORE_SHORTTEXT;

	my $shorttext_exspc = 0;



	sanitise_line_reset();

	cleanup_continuation_headers();
@@ -2239,13 +2246,46 @@ sub process { 
			}

			next;

		}



		$here .= "FILE: $realfile:$realline:" if ($realcnt != 0);



		my $hereline = "$here\n$rawline\n";

		my $herecurr = "$here\n$rawline\n";

		my $hereprev = "$here\n$prevrawline\n$rawline\n";



		if ($shorttext != AFTER_SHORTTEXT) {

			if ($shorttext == IN_SHORTTEXT) {

				if ($line=~/^---/ || $line=~/^diff.*/) {

					$shorttext = AFTER_SHORTTEXT;

				} elsif (length($line) > (SHORTTEXT_LIMIT +

							  $shorttext_exspc)

					 && $line !~ /^:([0-7]{6}\s){2}

						      ([[:xdigit:]]+\.*

						       \s){2}\w+\s\w+/xms) {

					WARN("LONG_COMMIT_TEXT",

					     "commit text line over " .

					     SHORTTEXT_LIMIT .

					     " characters\n" . $herecurr);

				}

			} elsif ($line=~/^Subject: \[[^\]]*\] (.*)/) {

				$shorttext = IN_SHORTTEXT;

				if (length($1) > SHORTTEXT_LIMIT) {

					WARN("LONG_SUMMARY_LINE",

					     "summary line over " .

					     SHORTTEXT_LIMIT .

					     " characters\n" . $herecurr);

				}

			} elsif ($line=~/^    (.*)/) {

				$shorttext = IN_SHORTTEXT;

				$shorttext_exspc = 4;

				if (length($1) > SHORTTEXT_LIMIT) {

					WARN("LONG_SUMMARY_LINE",

					     "summary line over " .

					     SHORTTEXT_LIMIT .

					     " characters\n" . $herecurr);

				}

			}

		}



		$cnt_lines++ if ($realcnt != 0);



# Check if the commit log has what seems like a diff which can confuse patch