feat: add bds core, locale updates and safety fixes

cores/purpur.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+
+core_name_purpur() {
+  echo "Purpur"
+}
+
+core_default_port_purpur() {
+  echo "25565"
+}
+
+core_protocol_purpur() {
+  echo "tcp"
+}
+
+core_runtime_purpur() {
+  echo "java"
+}
+
+core_validate_purpur() {
+  return 0
+}
+
+core_install_purpur() {
+  info "$(t core_install "$(core_name_purpur)")"
+  emit_step "core_install" "$(core_name_purpur)"
+
+  local url
+  emit_step "core_resolve_download" "purpur"
+  url="$(get_purpur_download_url "${MC_VERSION:-latest}" "${BUILD:-latest}")"
+  download_as_user "$url" "$SERVER_DIR/server.jar"
+  emit_step "core_configure" "eula"
+  run_cmd bash -lc "printf 'eula=true\n' > '$SERVER_DIR/eula.txt'"
+  create_java_start_script "$SERVER_DIR" "server.jar" "$RAM"
+}
+
+core_post_install_purpur() {
+  emit_step "core_post" "Purpur"
+  run_cmd bash -lc "chown -R ${SERVER_USER}:${SERVER_USER} '$SERVER_DIR'"
+  emit_step "core_chown" "Purpur"
+  open_firewall_port "$SERVER_PORT" "tcp"
+  emit_step "core_service" "Purpur"
+  create_service "$CORE" "$SERVER_DIR" "$SERVICE_MODE" "$SERVER_DIR/start.sh"
+  start_service
+}
+
+core_update_purpur() {
+  info "$(t core_update "$(core_name_purpur)")"
+  emit_step "core_update" "$(core_name_purpur)"
+
+  local target="$SERVER_DIR/server.jar"
+  backup_file "$target"
+  emit_step "core_backup" "$target"
+
+  local url
+  emit_step "core_resolve_download" "purpur"
+  url="$(get_purpur_download_url "${MC_VERSION:-latest}" "${BUILD:-latest}")"
+  download_as_user_atomic "$url" "$target"
+  emit_step "core_update_done" "Purpur"
+}