More informative exceptions from Logger

Author: asbjornu

src/GitVersionCore/Logger.cs

@@ -59,9 +59,9 @@ static Action<string> LogMessage(Action<string> logAction, string level)
 
         public static void Reset()
         {
-            WriteInfo = s => { throw new Exception("Logger not defined."); };
-            WriteWarning = s => { throw new Exception("Logger not defined."); };
-            WriteError = s => { throw new Exception("Logger not defined."); };
+            WriteInfo = s => { throw new Exception("Info logger not defined. Attempted to log: " + s); };
+            WriteWarning = s => { throw new Exception("Warning logger not defined. Attempted to log: " + s); };
+            WriteError = s => { throw new Exception("Error logger not defined. Attempted to log: " + s); };
         }
 
         class ActionDisposable : IDisposable