Don't emit a warning if there is NO diff at all

Scott Baker · Scott Baker · commit a92e9cf5425f · 2016-03-04T08:47:53.000-08:00
diff --git a/libs/header_clean/header_clean.pl b/libs/header_clean/header_clean.pl
@@ -109,7 +109,7 @@ sub strip_empty_first_line {
 	my $foo = shift(); # Array passed in by reference
 
 	# If the first line is just whitespace remove it
-	if ($foo->[0] =~ /^\s*$/) {
+	if (defined($foo->[0]) && $foo->[0] =~ /^\s*$/) {
 		shift($foo);
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -109,7 +109,7 @@ sub strip_empty_first_line {`
`109`	`109`	`my $foo = shift(); # Array passed in by reference`
`110`	`110`
`111`	`111`	`# If the first line is just whitespace remove it`
`112`		`- if ($foo->[0] =~ /^\s*$/) {`
	`112`	`+ if (defined($foo->[0]) && $foo->[0] =~ /^\s*$/) {`
`113`	`113`	`shift($foo);`
`114`	`114`	`}`
`115`	`115`	`}`