feat: add bds core, locale updates and safety fixes

cores/velocity.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+
+core_name_velocity() {
+  echo "Velocity"
+}
+
+core_default_port_velocity() {
+  echo "25577"
+}
+
+core_protocol_velocity() {
+  echo "tcp"
+}
+
+core_runtime_velocity() {
+  echo "java"
+}
+
+core_validate_velocity() {
+  return 0
+}
+
+core_install_velocity() {
+  info "$(t core_install "$(core_name_velocity)")"
+  emit_step "core_install" "$(core_name_velocity)"
+
+  local url
+  emit_step "core_resolve_download" "velocity"
+  url="$(get_papermc_download_url "velocity" "${MC_VERSION:-latest}")"
+  download_as_user "$url" "$SERVER_DIR/velocity.jar"
+  run_cmd bash -c "cat > '$SERVER_DIR/start.sh' <<EOF
+#!/usr/bin/env bash
+set -e
+cd \"\$(dirname \"\$0\")\"
+exec java -Xms${RAM} -Xmx${RAM} -jar velocity.jar
+EOF"
+  run_cmd chmod +x "$SERVER_DIR/start.sh"
+  emit_step "chmod_start_script" "$SERVER_DIR/start.sh"
+  emit_step "core_render" "velocity"
+}
+
+core_post_install_velocity() {
+  emit_step "core_post" "Velocity"
+  run_cmd bash -lc "chown -R ${SERVER_USER}:${SERVER_USER} '$SERVER_DIR'"
+  emit_step "core_chown" "Velocity"
+  open_firewall_port "$SERVER_PORT" "tcp"
+  emit_step "core_service" "Velocity"
+  create_service "$CORE" "$SERVER_DIR" "$SERVICE_MODE" "$SERVER_DIR/start.sh"
+  start_service
+}
+
+core_update_velocity() {
+  info "$(t core_update "$(core_name_velocity)")"
+  emit_step "core_update" "$(core_name_velocity)"
+
+  local target="$SERVER_DIR/velocity.jar"
+  backup_file "$target"
+  emit_step "core_backup" "$target"
+
+  local url
+  emit_step "core_resolve_download" "velocity"
+  url="$(get_papermc_download_url "velocity" "${MC_VERSION:-latest}")"
+  download_as_user_atomic "$url" "$target"
+  emit_step "core_update_done" "Velocity"
+}