bin/weather-report in weather-report-0.3.5 vs bin/weather-report in weather-report-0.3.6

@@ -12,9 +12,16 @@
   opts.banner = 'Usage: weather-report CITY [options]'
 
   opts.separator ""
   opts.separator "Common options:"
 
+  opts.on_tail("-list", "Show city list") do
+    WeatherReport.cities.each do |city|
+      puts city
+    end
+    exit
+  end
+
   opts.on_tail("-h", "--help", "Show this message") do
     puts opts
     exit
   end