linux-kernel - [PATCH] scripts: checkincludes: add exit message for no duplicates found

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Date:   Sun, 18 Dec 2016 20:35:19 +0800
From:   Cheah Kok Cheong <thrust73@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     mmarek@...e.com, Cheah Kok Cheong <thrust73@...il.com>
Subject: [PATCH] scripts: checkincludes: add exit message for no duplicates found

If no duplicates found, inform user.

Signed-off-by: Cheah Kok Cheong <thrust73@...il.com>
---
 scripts/checkincludes.pl | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/scripts/checkincludes.pl b/scripts/checkincludes.pl
index 97b2c61..2bf234c 100755
--- a/scripts/checkincludes.pl
+++ b/scripts/checkincludes.pl
@@ -37,6 +37,13 @@ if ($#ARGV >= 1) {
 	}
 }
 
+my $dup_counter = 0;
+
+sub nodup_count {
+	++$dup_counter;
+	return;
+}
+
 foreach my $file (@ARGV) {
 	open(my $f, '<', $file)
 	    or die "Cannot open $file: $!.\n";
@@ -57,6 +64,7 @@ foreach my $file (@ARGV) {
 		foreach my $filename (keys %includedfiles) {
 			if ($includedfiles{$filename} > 1) {
 				print "$file: $filename is included more than once.\n";
+				nodup_count();
 			}
 		}
 		next;
@@ -73,6 +81,7 @@ foreach my $file (@ARGV) {
 					if ($includedfiles{$filename} > 1) {
 						$includedfiles{$filename}--;
 						$dups++;
+						nodup_count();
 					} else {
 						print {$f} $_;
 					}
@@ -87,3 +96,7 @@ foreach my $file (@ARGV) {
 	}
 	close($f);
 }
+
+if ($dup_counter == 0) {
+	print "No duplicate includes found.\n";
+}
-- 
2.7.4