TGS3 (#3)

Let's just get this merged instead of having a massive PR

Original PR: tgstation/tgstation#26534

TGCommandLine/ConfigCommands.cs

@@ -0,0 +1,140 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using TGServiceInterface;
+
+namespace TGCommandLine
+{
+	class ConfigCommand : RootCommand
+	{
+		public ConfigCommand()
+		{
+			Keyword = "config";
+			Children = new Command[] { new ConfigMoveServerCommand(), new ConfigServerDirectoryCommand(), new ConfigDownloadCommand(), new ConfigUploadCommand() };
+		}
+		protected override string GetHelpText()
+		{
+			return "Manage settings";
+		}
+	}
+
+	class ConfigMoveServerCommand : Command
+	{
+		public ConfigMoveServerCommand()
+		{
+			Keyword = "move-server";
+			RequiredParameters = 1;
+		}
+
+		public override ExitCode Run(IList<string> parameters)
+		{
+			var res = Server.GetComponent<ITGConfig>().MoveServer(parameters[0]);
+			Console.WriteLine(res ?? "Success");
+			return res == null ? ExitCode.Normal : ExitCode.ServerError;
+		}
+
+		protected override string GetArgumentString()
+		{
+			return "<new path>";
+		}
+
+		protected override string GetHelpText()
+		{
+			return "Move the server installation (BYOND, Repo, Game) to a new location. Nothing else may be running for this task to complete";
+		}
+	}
+
+	class ConfigServerDirectoryCommand : Command
+	{
+		public ConfigServerDirectoryCommand()
+		{
+			Keyword = "server-dir";
+		}
+
+		public override ExitCode Run(IList<string> parameters)
+		{
+			Console.WriteLine(Server.GetComponent<ITGConfig>().ServerDirectory());
+			return ExitCode.Normal;
+		}
+		
+		protected override string GetHelpText()
+		{
+			return "Print the directory the server is installed in";
+		}
+	}
+
+	class ConfigDownloadCommand : Command
+	{
+		public ConfigDownloadCommand()
+		{
+			Keyword = "download";
+			RequiredParameters = 2;
+		}
+
+		public override ExitCode Run(IList<string> parameters)
+		{
+			var bytes = Server.GetComponent<ITGConfig>().ReadRaw(parameters[0], parameters.Count > 2 && parameters[2].ToLower() == "--repo", out string error);
+			if(bytes == null)
+			{
+				Console.WriteLine("Error: " + error);
+				return ExitCode.ServerError;
+			}
+
+			try
+			{
+				File.WriteAllText(parameters[1], bytes);
+			}
+			catch (Exception e)
+			{
+				Console.WriteLine("Error: " + e.ToString());
+			}
+
+			return ExitCode.Normal;
+		}
+		protected override string GetArgumentString()
+		{
+			return "<source config file> <out file> [--repo]";
+		}
+		protected override string GetHelpText()
+		{
+			return "Downloads the specified file from the config tree and writes it to out file. --repo will fetch it from the repository instead of the game config";
+		}
+	}
+	
+	class ConfigUploadCommand : Command
+	{
+		public ConfigUploadCommand()
+		{
+			Keyword = "upload";
+			RequiredParameters = 2;
+		}
+
+		public override ExitCode Run(IList<string> parameters)
+		{
+			try
+			{
+				var res = Server.GetComponent<ITGConfig>().WriteRaw(parameters[0], File.ReadAllText(parameters[1]));
+				if (res != null)
+				{
+					Console.WriteLine("Error: " + res);
+					return ExitCode.ServerError;
+				}
+			}
+			catch (Exception e)
+			{
+				Console.WriteLine("Error: " + e.ToString());
+			}
+			return ExitCode.Normal;
+		}
+
+		protected override string GetArgumentString()
+		{
+			return "<destination config file> <source file> [--repo]";
+		}
+
+		protected override string GetHelpText()
+		{
+			return "Uploads the specified file to the config tree from source file";
+		}
+	}
+}