Split the service and server functions

TGS.Server/ChatCommands/RevisionCommand.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+
+namespace TGS.Server.ChatCommands
+{
+	/// <summary>
+	/// Retrieves the git SHA of the live DreamDaemon code
+	/// </summary>
+	sealed class RevisionCommand : ChatCommand
+	{
+		/// <summary>
+		/// Construct a <see cref="RevisionCommand"/>
+		/// </summary>
+		public RevisionCommand()
+		{
+			Keyword = "revision";
+		}
+		/// <inheritdoc />
+		protected override ExitCode Run(IList<string> parameters)
+		{
+			var res = Instance.LiveSha();
+			if (res == "UNKNOWN")
+			{
+				OutputProc(res);
+				return ExitCode.ServerError;
+			}
+			OutputProc(String.Format("^{0}", res));
+			return ExitCode.Normal;
+		}
+
+		/// <inheritdoc />
+		public override string GetHelpText()
+		{
+			return "Prints the current code revision of the repository (not the server)";
+		}
+	}
+}