Provide config switch to autogenerate default mappigns.

Author: jquintus

ColorCat/ColorCatOptions.cs

@@ -23,6 +23,9 @@ public class ColorCatOptions
         [ValueList(typeof(List<string>))]
         public IList<string> Pattern { get; set; }
 
+        [Option("saveDefaultConfig", HelpText = "Overwrites the current configuration with the defaults.")]
+        public bool SaveDefaults { get; set; }
+
         [HelpOption]
         public string GetUsage()
         {

ColorCat/Program.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
 
 namespace ColorCat
@@ -16,6 +15,10 @@ public static void Main(string[] args)
                 {
                     AddConfig(options);
                 }
+                else if (options.SaveDefaults)
+                {
+                    SaveDefaults();
+                }
                 else
                 {
                     Run(options);
@@ -85,5 +88,12 @@ private static ColorMapping CreateMapping(ColorCatOptions options)
 
             return mapping;
         }
+
+        private static void SaveDefaults()
+        {
+            var mappingJson = Configuration.SaveDefaults();
+            Console.WriteLine("Default mappings saved.  Current mappings are:");
+            Console.WriteLine(mappingJson);
+        }
     }
 }