Just Isolate some codes (not complete)

core/scripts/hysteria2/update.sh

@@ -0,0 +1,42 @@
+echo "Starting the update process for Hysteria2..." 
+echo "Backing up the current configuration..."
+cp /etc/hysteria/config.json /etc/hysteria/config_backup.json
+if [ $? -ne 0 ]; then
+    echo "${red}Error:${NC} Failed to back up configuration. Aborting update."
+    return 1
+fi
+
+echo "Downloading and installing the latest version of Hysteria2..."
+bash <(curl -fsSL https://get.hy2.sh/) >/dev/null 2>&1
+if [ $? -ne 0 ]; then
+    echo "${red}Error:${NC} Failed to download or install the latest version. Restoring backup configuration."
+    mv /etc/hysteria/config_backup.json /etc/hysteria/config.json
+    restart_hysteria_service >/dev/null 2>&1
+    return 1
+fi
+
+echo "Restoring configuration from backup..."
+mv /etc/hysteria/config_backup.json /etc/hysteria/config.json
+if [ $? -ne 0 ]; then
+    echo "${red}Error:${NC} Failed to restore configuration from backup."
+    return 1
+fi
+
+echo "Modifying systemd service to use config.json..."
+sed -i 's|/etc/hysteria/config.yaml|/etc/hysteria/config.json|' /etc/systemd/system/hysteria-server.service
+if [ $? -ne 0 ]; then
+    echo "${red}Error:${NC} Failed to modify systemd service."
+    return 1
+fi
+
+rm /etc/hysteria/config.yaml
+systemctl daemon-reload >/dev/null 2>&1
+restart_hysteria_service >/dev/null 2>&1
+if [ $? -ne 0 ]; then
+    echo "${red}Error:${NC} Failed to restart Hysteria2 service."
+    return 1
+fi
+
+echo "Hysteria2 has been successfully updated."
+echo ""
+return 0