add auto updater inside bot

src/main/java/com/github/manolo8/darkbot/Bot.java

@@ -4,14 +4,14 @@
 import com.formdev.flatlaf.ui.FlatNativeWindowBorder;
 import com.formdev.flatlaf.util.SystemInfo;
 import com.github.manolo8.darkbot.extensions.plugins.PluginClassLoader;
+import com.github.manolo8.darkbot.utils.BotUpdateUtils;
 import com.github.manolo8.darkbot.utils.LibSetup;
 import com.github.manolo8.darkbot.utils.LogUtils;
 import com.github.manolo8.darkbot.utils.StartupParams;
 
 import javax.swing.*;
 import java.awt.*;
 import java.io.IOException;
-import java.net.URLClassLoader;
 import java.security.AllPermission;
 import java.security.CodeSource;
 import java.security.Permission;
@@ -67,6 +67,8 @@ public static void main(String[] args) throws IOException {
         Runtime.getRuntime().addShutdownHook(new Thread(() ->
                 new Throwable("DarkBot shutdown peacefully!").printStackTrace()));
 
+        BotUpdateUtils.checkAndUpdateBot(args);
+
         SwingUtilities.invokeLater(() -> new Main(params));
     }
 

src/main/java/com/github/manolo8/darkbot/utils/BotUpdateUtils.java

@@ -0,0 +1,81 @@
+package com.github.manolo8.darkbot.utils;
+
+import com.github.manolo8.darkbot.Bot;
+import com.github.manolo8.darkbot.Main;
+import com.github.manolo8.darkbot.gui.utils.Popups;
+
+import javax.swing.*;
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+import java.net.URISyntaxException;
+import java.net.URL;
+import java.nio.file.Files;
+import java.nio.file.InvalidPathException;
+import java.nio.file.Path;
+import java.nio.file.StandardCopyOption;
+
+public class BotUpdateUtils {
+
+    public static void checkAndUpdateBot(String... args) {
+        String defaultJarName = "DarkBot.jar";
+        String defaultTempJarName = "DarkBot.jar.tmp";
+
+        try {
+            String runningNameJar = getRunningNameJar();
+            if (runningNameJar == null) return;
+            String[] command = prefix(args, "java", "-jar", defaultJarName);
+
+            if (runningNameJar.endsWith(".jar")) {
+                new File(defaultTempJarName).delete();
+
+                LibSetup.Lib lib = LibSetup.getLib(defaultJarName);
+
+                if (Main.VERSION.compareTo(lib.version) < 0) {
+                    System.out.println("DarkBot has an update from version " + Main.VERSION + " to " + lib.version);
+                    int result = Popups.of("DarkBot updater", "A new version of DarkBot is available\n" +
+                                    Main.VERSION + " ➜ " + lib.version, JOptionPane.INFORMATION_MESSAGE)
+                            .optionType(JOptionPane.OK_CANCEL_OPTION)
+                            .showOptionSync();
+
+                    if (result == JOptionPane.OK_OPTION) {
+                        InputStream in = new URL(lib.download).openStream();
+                        copyAndRun(in, Path.of(defaultTempJarName), command);
+                    }
+                }
+            } else if (runningNameJar.equals(defaultTempJarName)) {
+                copyAndRun(Files.newInputStream(Path.of(runningNameJar)), Path.of(defaultJarName), command);
+                System.exit(0);
+            }
+        } catch (InvalidPathException | IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    public static String getRunningNameJar() {
+        try {
+            return Path.of(Bot.class.getProtectionDomain().getCodeSource().getLocation().toURI().getPath()).getFileName().toString();
+        } catch (URISyntaxException e) {
+            return null;
+        }
+    }
+
+    public static String[] prefix(String[] array, String... prefix) {
+        String[] newArr = new String[array.length + prefix.length];
+        System.arraycopy(prefix, 0, newArr, 0, prefix.length);
+        System.arraycopy(array, 0, newArr, prefix.length, array.length);
+        return newArr;
+    }
+
+    private static void copyAndRun(InputStream newExecutable, Path path, String... args) {
+        try {
+            Files.copy(newExecutable, path, StandardCopyOption.REPLACE_EXISTING);
+            String[] command = prefix(args, "java", "-jar", path.getFileName().toString());
+            Runtime.getRuntime().exec(command);
+            System.out.println("Closing process, updated jar '" + path + "' started running!");
+            System.exit(0);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}

src/main/java/com/github/manolo8/darkbot/utils/LibSetup.java

@@ -1,6 +1,7 @@
 package com.github.manolo8.darkbot.utils;
 
 import com.github.manolo8.darkbot.Main;
+import com.github.manolo8.darkbot.extensions.util.Version;
 import com.github.manolo8.darkbot.utils.http.Http;
 import com.google.gson.reflect.TypeToken;
 import org.jetbrains.annotations.Nullable;
@@ -31,6 +32,7 @@ public static class Lib {
         public Set<String> altSha256;
         public String download;
         public boolean auto;
+        public Version version;
     }
 
     public static void setupLibraries() {
@@ -48,7 +50,7 @@ public static void setupLibraries() {
         }
     }
 
-    private static Lib getLib(String path) {
+    protected static Lib getLib(String path) {
         return libraries != null ? libraries.get(path) : null;
     }