Detect Python/Node/PM2 on deploy (install only if missing); uninstall removes /opt/eth_hedge_sim.

Keep .env and DB backup under /root/backups before deleting the install directory.

Co-authored-by: Cursor <cursoragent@cursor.com>

deploy/lib/uninstall.sh

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# deploy/lib/uninstall.sh — 一键卸载（仅本项目 PM2，不动其它进程）
+# deploy/lib/uninstall.sh — 一键卸载（仅本项目 PM2，删除 /opt 安装目录）
 set -e
 set -u
 if [ -n "${BASH_VERSION:-}" ]; then
@@ -26,22 +26,21 @@ main_uninstall() {
   echo ""
   echo "将卸载 比特骆驼自动化对冲系统 (eth_hedge_sim):"
   echo "  - 停止并删除 PM2 进程: ${PM2_APP_NAME}"
-  echo "  - 移走目录: ${INSTALL_ROOT}"
-  echo "  - 备份 .env 到 ${BACKUP_ROOT}"
-  echo "  - 不影响其它 PM2 应用"
+  echo "  - 删除安装目录: ${INSTALL_ROOT}"
+  echo "  - 备份 .env / 数据库到 ${BACKUP_ROOT}"
+  echo "  - 不影响其它 PM2 应用 / 不卸载系统 Python、Node、PM2"
   echo ""
-  if ! confirm_yes "确认卸载?"; then
+  if ! confirm_yes "确认卸载并删除 ${INSTALL_ROOT}?"; then
     log "已取消卸载"
     return 0
   fi
 
-  local stamp backup_dir removed_dir
+  local stamp backup_dir
   stamp="$(TZ="${TZ_NAME}" date +%Y%m%d-%H%M%S)"
   backup_dir="${BACKUP_ROOT}/pre-uninstall-${stamp}"
-  removed_dir="${INSTALL_ROOT}.removed.${stamp}"
   mkdir -p "${backup_dir}"
 
-  step "备份配置"
+  step "备份配置与数据"
   if [[ -f "${REPO_ROOT}/.env" ]]; then
     cp -a "${REPO_ROOT}/.env" "${backup_dir}/.env"
   fi
@@ -51,30 +50,51 @@ main_uninstall() {
   {
     echo "created_at=${stamp}"
     echo "install_root=${INSTALL_ROOT}"
-    echo "removed_dir=${removed_dir}"
     echo "pm2_app=${PM2_APP_NAME}"
+    echo "action=rm_rf_install_root"
   } >"${backup_dir}/uninstall.manifest"
 
   step "停止并移除 PM2 进程 ${PM2_APP_NAME}"
   pm2_stop_project
   pm2_delete_project
 
-  step "移走安装目录"
+  step "删除安装目录 ${INSTALL_ROOT}"
   if [[ -d "${INSTALL_ROOT}" ]]; then
-    mv "${INSTALL_ROOT}" "${removed_dir}"
-    log "已移动: ${INSTALL_ROOT} -> ${removed_dir}"
+    # 安全：只允许删除约定安装路径（默认 /opt/eth_hedge_sim）
+    case "${INSTALL_ROOT}" in
+      /opt/eth_hedge_sim|/opt/eth_hedge_sim/)
+        rm -rf "${INSTALL_ROOT}"
+        log "已删除: ${INSTALL_ROOT}"
+        ;;
+      *)
+        if [[ "${ALLOW_UNSAFE_UNINSTALL:-}" == "1" ]]; then
+          rm -rf "${INSTALL_ROOT}"
+          log "已删除(ALLOW_UNSAFE_UNINSTALL=1): ${INSTALL_ROOT}"
+        else
+          die "拒绝删除非默认路径 ${INSTALL_ROOT}；若确认，设置 ALLOW_UNSAFE_UNINSTALL=1"
+        fi
+        ;;
+    esac
   else
-    log "安装目录不存在,跳过"
+    log "安装目录不存在,跳过删除"
   fi
 
+  # 清理历史「移走未删」残留
+  local leftover
+  for leftover in /opt/eth_hedge_sim.removed.* /opt/eth_hedge_sim.old.*; do
+    if [[ -e "${leftover}" ]]; then
+      rm -rf "${leftover}"
+      log "已清理残留: ${leftover}"
+    fi
+  done
+
   echo ""
   echo "卸载完成."
-  echo "  配置备份: ${backup_dir}"
-  echo "  旧目录:   ${removed_dir} (确认无误后可手动 rm -rf)"
+  echo "  配置/数据备份: ${backup_dir}"
+  echo "  安装目录已删除: ${INSTALL_ROOT}"
   echo ""
-  echo "回滚示例:"
-  echo "  mv ${removed_dir} ${INSTALL_ROOT}"
-  echo "  bash ${INSTALL_ROOT}/deploy/manage.sh   # 选 1 修复环境"
+  echo "重新部署:"
+  echo "  curl -fsSL https://git.bz121.com/dekun/eth_hedge_sim/raw/branch/main/deploy/manage.sh | bash"
 }
 
 main_uninstall "$@"