From 4cd180141c9112ce26a3419fdc3ef321597d7377 Mon Sep 17 00:00:00 2001
From: MagicBot <MagicBot@magicbane.com>
Date: Sun, 13 Aug 2023 09:39:16 -0400
Subject: [PATCH] Read current repo branch using MB Devops script.

---
 src/engine/gameManager/ConfigManager.java     | 34 ++++++++++++++++++-
 .../handlers/ArcLoginNotifyMsgHandler.java    |  5 +++
 2 files changed, 38 insertions(+), 1 deletion(-)

diff --git a/src/engine/gameManager/ConfigManager.java b/src/engine/gameManager/ConfigManager.java
index 07aa3206..9ca6b598 100644
--- a/src/engine/gameManager/ConfigManager.java
+++ b/src/engine/gameManager/ConfigManager.java
@@ -18,6 +18,10 @@ import engine.server.login.LoginServer;
 import engine.server.world.WorldServer;
 import org.pmw.tinylog.Logger;
 
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStreamReader;
 import java.util.HashMap;
 import java.util.Map;
 import java.util.regex.Pattern;
@@ -107,11 +111,13 @@ public enum ConfigManager {
     public static LoginServer loginServer;
     public static Map<ConfigManager, Pattern> regex = new HashMap<>();
 
+    public static String currentRepoBranch = "";
+
     // Called at bootstrap: ensures that all config values are loaded.
 
     public static boolean init() {
 
-        Logger.info("Loading config from environment...");
+        Logger.info("Loading config from environment.");
 
         for (ConfigManager configSetting : ConfigManager.values())
             if (configMap.containsKey(configSetting.name()))
@@ -123,6 +129,32 @@ public enum ConfigManager {
                 return false;
             }
 
+        Logger.info("Determine current Repo branch");
+
+        File file = new File("mbbranch.sh");
+
+        if (file.exists() && !file.isDirectory()) {
+
+            String[] command = {"./mbbranch"};
+
+            try {
+
+                Process process = Runtime.getRuntime().exec(command);
+                BufferedReader reader = new BufferedReader(new InputStreamReader(
+                        process.getInputStream()));
+                String string;
+
+                while (true) {
+                    if ((string = reader.readLine()) == null)
+                        break;
+                    currentRepoBranch += string;
+                }
+
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+
         // compile regex here
 
         Logger.info("Compiling regex");
diff --git a/src/engine/net/client/handlers/ArcLoginNotifyMsgHandler.java b/src/engine/net/client/handlers/ArcLoginNotifyMsgHandler.java
index b9986be9..02b0518c 100644
--- a/src/engine/net/client/handlers/ArcLoginNotifyMsgHandler.java
+++ b/src/engine/net/client/handlers/ArcLoginNotifyMsgHandler.java
@@ -67,6 +67,11 @@ public class ArcLoginNotifyMsgHandler extends AbstractClientMsgHandler {
         GuildManager.enterWorldMOTD(player);
         ChatManager.sendSystemMessage(player, ConfigManager.MB_WORLD_GREETING.getValue());
 
+        // Send branch string if available from ConfigManager.
+
+        if (ConfigManager.currentRepoBranch != "")
+            ChatManager.sendSystemMessage(player, ConfigManager.currentRepoBranch);
+
         // Set player mask for QT
         if (player.getRace() != null && player.getRace().getToken() == -524731385)
             player.setObjectTypeMask(MBServerStatics.MASK_PLAYER | MBServerStatics.MASK_UNDEAD);