Use state for static variables

Author: scottchiefbaker

diff-so-fancy

@@ -849,41 +849,39 @@ sub color {
 }
 
 # Get colors used for various output sections (memoized)
-{
-	my $static_config;
+sub get_config_color {
+	my $str = shift();
 
-	sub get_config_color {
-		my $str = shift();
+	state $static_config;
 
-		my $ret = "";
-		if ($static_config->{$str}) {
-			return $static_config->{$str};
-		}
+	my $ret = "";
+	if ($static_config->{$str}) {
+		return $static_config->{$str};
+	}
 
-		#print color(15) . "Shelling out for color: '$str'\n" . color('reset');
-
-		if ($str eq "meta") {
-			# Default ANSI yellow
-			$ret = git_ansi_color(git_config('color.diff.meta')) || color(11);
-		} elsif ($str eq "reset") {
-			$ret = color("reset");
-		} elsif ($str eq "add_line") {
-			# Default ANSI green
-			$ret = git_ansi_color(git_config('color.diff.new')) || color("2_bold");
-		} elsif ($str eq "remove_line") {
-			# Default ANSI red
-			$ret = git_ansi_color(git_config('color.diff.old')) || color("1_bold");
-		} elsif ($str eq "fragment") {
-			$ret = git_ansi_color(git_config('color.diff.frag')) || color("13_bold");
-		} elsif ($str eq "last_function") {
-			$ret = git_ansi_color(git_config('color.diff.func')) || color("146_bold");
-		}
+	#print color(15) . "Shelling out for color: '$str'\n" . color('reset');
+
+	if ($str eq "meta") {
+		# Default ANSI yellow
+		$ret = git_ansi_color(git_config('color.diff.meta')) || color(11);
+	} elsif ($str eq "reset") {
+		$ret = color("reset");
+	} elsif ($str eq "add_line") {
+		# Default ANSI green
+		$ret = git_ansi_color(git_config('color.diff.new')) || color("2_bold");
+	} elsif ($str eq "remove_line") {
+		# Default ANSI red
+		$ret = git_ansi_color(git_config('color.diff.old')) || color("1_bold");
+	} elsif ($str eq "fragment") {
+		$ret = git_ansi_color(git_config('color.diff.frag')) || color("13_bold");
+	} elsif ($str eq "last_function") {
+		$ret = git_ansi_color(git_config('color.diff.func')) || color("146_bold");
+	}
 
-		# Cache (memoize) the entry for later
-		$static_config->{$str} = $ret;
+	# Cache (memoize) the entry for later
+	$static_config->{$str} = $ret;
 
-		return $ret;
-	}
+	return $ret;
 }
 
 # https://www.git-scm.com/book/en/v2/Customizing-Git-Git-Configuration#_colors_in_git