Add new /viaversion dontbugme, change method if the version looks like it's custom / debug (not compiled by maven)

src/main/java/us/myles/ViaVersion/ViaVersionPlugin.java

@@ -6,7 +6,6 @@ import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelInitializer;
 import io.netty.channel.ChannelPipeline;
 import io.netty.channel.socket.SocketChannel;
-
 import org.bukkit.Bukkit;
 import org.bukkit.configuration.file.FileConfiguration;
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -16,7 +15,6 @@ import org.bukkit.event.Listener;
 import org.bukkit.event.player.PlayerQuitEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.plugin.java.JavaPlugin;
-
 import us.myles.ViaVersion.api.ViaVersion;
 import us.myles.ViaVersion.api.ViaVersionAPI;
 import us.myles.ViaVersion.armor.ArmorListener;

src/main/java/us/myles/ViaVersion/commands/ViaVersionCommand.java

@@ -28,6 +28,7 @@ public class ViaVersionCommand implements CommandExecutor {
                 sender.sendMessage(color("&aViaVersion &c" + ViaVersion.getInstance().getVersion()));
                 sender.sendMessage(color("&6Commands:"));
                 sender.sendMessage(color("&2/viaversion list &7- &6Shows lists of all 1.9 clients and 1.8 clients."));
+                sender.sendMessage(color("&2/viaversion dontbugme &7- &6Toggle checking for updates."));
             } else if (args.length == 1) {
                 if (args[0].equalsIgnoreCase("list")) {
                     List<String> portedPlayers = new ArrayList<String>();
@@ -47,6 +48,12 @@ public class ViaVersionCommand implements CommandExecutor {
                     plugin.setDebug(!plugin.isDebug());
                     sender.sendMessage(color("&6Debug mode is now " + (plugin.isDebug() ? "&aenabled" : "&cdisabled")));
                 }
+                if (args[0].equalsIgnoreCase("dontbugme")) {
+                    boolean newValue = !plugin.getConfig().getBoolean("checkforupdates", true);
+                    plugin.getConfig().set("checkforupdates", newValue);
+                    plugin.saveConfig();
+                    sender.sendMessage(color("&6We will " + (newValue ? "&anotify you about updates." : "&cnot tell you about updates.")));
+                }
             }
 
         }

src/main/java/us/myles/ViaVersion/update/UpdateListener.java

@@ -15,8 +15,10 @@ public class UpdateListener implements Listener {
 	
 	@EventHandler
 	public void onJoin(PlayerJoinEvent e) {
-		if(e.getPlayer().hasPermission("viaversion.update"))
+		if(e.getPlayer().hasPermission("viaversion.update")
+				&& plugin.getConfig().getBoolean("checkforupdates", true)) {
 			UpdateUtil.sendUpdateMessage(e.getPlayer().getUniqueId(), plugin);
 		}
+	}
 
 }

src/main/java/us/myles/ViaVersion/update/UpdateUtil.java

@@ -1,13 +1,13 @@
 package us.myles.ViaVersion.update;
 
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 import org.bukkit.Bukkit;
 import org.bukkit.ChatColor;
 import org.bukkit.entity.Player;
 import org.bukkit.plugin.Plugin;
 import org.bukkit.scheduler.BukkitRunnable;
-
+import us.myles.ViaVersion.api.ViaVersion;
-import com.google.gson.JsonObject;
-import com.google.gson.JsonParser;
 
 import java.io.BufferedReader;
 import java.io.IOException;
@@ -17,8 +17,6 @@ import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.UUID;
 
-import us.myles.ViaVersion.api.ViaVersion;
-
 public class UpdateUtil {
 
     private final static String URL = "https://api.spiget.org/v1/resources/";
@@ -38,9 +36,10 @@ public class UpdateUtil {
                         @Override
                         public void run() {
                             Player p = Bukkit.getPlayer(uuid);
-							if(p != null)
+                            if (p != null) {
                                 p.sendMessage(PREFIX + message);
                             }
+                        }
                     }.runTask(plugin);
                 }
             }
@@ -67,6 +66,10 @@ public class UpdateUtil {
     }
 
     private static String getUpdateMessage(boolean console) {
+        if (ViaVersion.getInstance().getVersion().equals("${project.version}")) {
+            return "You are using a debug/custom version, consider updating.";
+        }
+
         Version current = new Version(ViaVersion.getInstance().getVersion());
         Version newest = new Version(getNewestVersion());
         if (current.compareTo(newest) < 0)
@@ -80,8 +83,7 @@ public class UpdateUtil {
         return null;
     }
 
-	private static String getNewestVersion()
+    private static String getNewestVersion() {
-	{
         String result = "";
         try {
             URL url = new URL(URL + PLUGIN);

src/main/java/us/myles/ViaVersion/update/Version.java

@@ -1,11 +1,11 @@
 package us.myles.ViaVersion.update;
 
-public class Version implements Comparable<Version>
+import org.apache.commons.lang.StringUtils;
-{
+
+public class Version implements Comparable<Version> {
     private int[] parts;
 
-    public Version(String value)
+    public Version(String value) {
-    {
         if (value == null)
             throw new IllegalArgumentException("Version can not be null");
 
@@ -20,26 +20,23 @@ public class Version implements Comparable<Version>
     }
 
     @Override
-    public String toString()
+    public String toString() {
-    {
         String[] split = new String[parts.length];
 
         for (int i = 0; i < parts.length; i += 1)
             split[i] = String.valueOf(parts[i]);
 
-        return String.join(".", split);
+        return StringUtils.join(split, ".");
     }
 
-    public static int compare(Version verA, Version verB)
+    public static int compare(Version verA, Version verB) {
-    {
         if (verA == verB) return 0;
         if (verA == null) return -1;
         if (verB == null) return 1;
 
         int max = Math.max(verA.parts.length, verB.parts.length);
 
-        for (int i = 0; i < max; i += 1)
+        for (int i = 0; i < max; i += 1) {
-        {
             int partA = i < verA.parts.length ? verA.parts[i] : 0;
             int partB = i < verB.parts.length ? verB.parts[i] : 0;
             if (partA < partB) return -1;
@@ -50,13 +47,11 @@ public class Version implements Comparable<Version>
     }
 
     @Override
-    public int compareTo(Version that)
+    public int compareTo(Version that) {
-    {
         return compare(this, that);
     }
 
-    public static boolean equals(Version verA, Version verB)
+    public static boolean equals(Version verA, Version verB) {
-    {
         if (verA == verB) return true;
         if (verA == null) return false;
         if (verB == null) return false;
@@ -64,8 +59,7 @@ public class Version implements Comparable<Version>
     }
 
     @Override
-    public boolean equals(Object that)
+    public boolean equals(Object that) {
-    {
         return that instanceof Version && equals(this, (Version) that);
     }
 }