Improve update system and info

src/main/java/me/libraryaddict/disguise/commands/LibsDisguisesCommand.java

@@ -23,6 +23,7 @@ public class LibsDisguisesCommand implements CommandExecutor, TabCompleter {
         getCommands().add(new LDHelp(this));
         getCommands().add(new LDReload());
         getCommands().add(new LDUpdate());
+        getCommands().add(new LDChangelog());
         getCommands().add(new LDCount());
         getCommands().add(new LDConfig());
         getCommands().add(new LDPermTest());

src/main/java/me/libraryaddict/disguise/commands/libsdisguises/LDChangelog.java

@@ -0,0 +1,60 @@
+package me.libraryaddict.disguise.commands.libsdisguises;
+
+import me.libraryaddict.disguise.LibsDisguises;
+import me.libraryaddict.disguise.utilities.translations.LibsMsg;
+import me.libraryaddict.disguise.utilities.updates.UpdateChecker;
+import org.bukkit.ChatColor;
+import org.bukkit.command.CommandSender;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Created by libraryaddict on 27/04/2020.
+ */
+public class LDChangelog implements LDCommand {
+    @Override
+    public List<String> getTabComplete() {
+        return Collections.singletonList("changelog");
+    }
+
+    @Override
+    public boolean hasPermission(CommandSender sender) {
+        return sender.hasPermission(getPermission());
+    }
+
+    @Override
+    public String getPermission() {
+        return "libsdisguises.update";
+    }
+
+    @Override
+    public void onCommand(CommandSender sender, String[] args) {
+        UpdateChecker checker = LibsDisguises.getInstance().getUpdateChecker();
+
+        if (checker.isDownloading()) {
+            sender.sendMessage(LibsMsg.UPDATE_IN_PROGRESS.get());
+            return;
+        }
+
+        if (checker.getUpdate() == null) {
+            sender.sendMessage(LibsMsg.UPDATE_REQUIRED.get());
+            return;
+        }
+
+        if (!checker.getUpdate().isReleaseBuild()) {
+            sender.sendMessage(
+                    ChatColor.GOLD + "You are on build " + (LibsDisguises.getInstance().isNumberedBuild() ? "#" : "") +
+                            LibsDisguises.getInstance().getBuildNo());
+        }
+
+        for (String msg : checker.getUpdate().getChangelog()) {
+            sender.sendMessage(ChatColor.GOLD + msg);
+        }
+    }
+
+    @Override
+    public LibsMsg getHelp() {
+        return LibsMsg.LD_COMMAND_CHANGELOG;
+    }
+}

src/main/java/me/libraryaddict/disguise/commands/libsdisguises/LDUpdate.java

@@ -23,7 +23,7 @@ public class LDUpdate implements LDCommand {
         // Update by download
         // Update check
         // Update to latest dev build
-        return Arrays.asList("update", "update dev", "update release", "changelog", "update!");
+        return Arrays.asList("update", "update dev", "update release", "update!");
     }
 
     @Override
@@ -31,25 +31,6 @@ public class LDUpdate implements LDCommand {
         return "libsdisguises.update";
     }
 
-    private void doChangelog(CommandSender sender) {
-        UpdateChecker checker = LibsDisguises.getInstance().getUpdateChecker();
-
-        if (checker.getUpdate() == null) {
-            sender.sendMessage(LibsMsg.UPDATE_REQUIRED.get());
-            return;
-        }
-
-        if (!checker.getUpdate().isReleaseBuild()) {
-            sender.sendMessage(
-                    ChatColor.GOLD + "You are on build " + (LibsDisguises.getInstance().isNumberedBuild() ? "#" : "") +
-                            LibsDisguises.getInstance().getBuildNo());
-        }
-
-        for (String msg : checker.getUpdate().getChangelog()) {
-            sender.sendMessage(ChatColor.GOLD + msg);
-        }
-    }
-
     @Override
     public void onCommand(CommandSender sender, String[] args) {
         UpdateChecker checker = LibsDisguises.getInstance().getUpdateChecker();
@@ -59,11 +40,6 @@ public class LDUpdate implements LDCommand {
             return;
         }
 
-        if (args[0].equalsIgnoreCase("changelog")) {
-            doChangelog(sender);
-            return;
-        }
-
         boolean releaseBuilds = checker.isUsingReleaseBuilds();
 
         if (args.length > 1) {