feat: add bds core, locale updates and safety fixes

cores/powernukkitx.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+core_name_powernukkitx() {
+  echo "PowerNukkitX"
+}
+
+core_default_port_powernukkitx() {
+  echo "19132"
+}
+
+core_protocol_powernukkitx() {
+  echo "udp"
+}
+
+core_runtime_powernukkitx() {
+  echo "java"
+}
+
+core_validate_powernukkitx() {
+  return 0
+}
+
+core_install_powernukkitx() {
+  info "$(t core_install "$(core_name_powernukkitx)")"
+  emit_step "core_install" "$(core_name_powernukkitx)"
+
+  local url
+  emit_step "core_resolve_download" "powernukkitx"
+  url="$(get_github_release_asset_url PowerNukkitX/PowerNukkitX 'powernukkitx.*\\.jar')"
+  if [[ -z "$url" || "$url" == "null" ]]; then
+    fail "$(t no_stable_build "PowerNukkitX" "$BUILD")"
+  fi
+  download_as_user "$url" "$SERVER_DIR/powernukkitx.jar"
+  create_powernukkit_start_script "$SERVER_DIR" "$RAM"
+  emit_step "core_render" "powernukkitx"
+}
+
+core_post_install_powernukkitx() {
+  emit_step "core_configure" "eula"
+  run_cmd bash -lc "printf 'eula=true\n' > '$SERVER_DIR/eula.txt'"
+  emit_step "core_chown" "PowerNukkitX"
+  run_cmd bash -lc "chown -R ${SERVER_USER}:${SERVER_USER} '$SERVER_DIR'"
+  open_firewall_port "$SERVER_PORT" "udp"
+  emit_step "core_service" "PowerNukkitX"
+  create_service "$CORE" "$SERVER_DIR" "$SERVICE_MODE" "$SERVER_DIR/start.sh"
+  start_service
+}
+
+core_update_powernukkitx() {
+  info "$(t core_update "$(core_name_powernukkitx)")"
+  emit_step "core_update" "$(core_name_powernukkitx)"
+
+  local target="$SERVER_DIR/powernukkitx.jar"
+  backup_file "$target"
+  emit_step "core_backup" "$target"
+
+  local url
+  emit_step "core_resolve_download" "powernukkitx"
+  url="$(get_github_release_asset_url PowerNukkitX/PowerNukkitX 'powernukkitx.*\\.jar')"
+  if [[ -z "$url" || "$url" == "null" ]]; then
+    fail "$(t no_stable_build "PowerNukkitX" "$BUILD")"
+  fi
+  download_as_user_atomic "$url" "$target"
+  emit_step "core_update_done" "PowerNukkitX"
+}