fix: improve shell compatibility and process cleanup

Preserve literal paths and arguments, use portable command options, validate startup configuration, and retain scripts when downloads fail.

Ensure task watchdogs and process groups are cleaned up across Bash versions, with compatibility and process lifecycle regression coverage.

shell/update.sh

@@ -1,10 +1,10 @@
 #!/usr/bin/env bash
 
 dir_shell=$QL_DIR/shell
-. $dir_shell/share.sh
-. $dir_shell/api.sh
+. "$dir_shell/share.sh"
+. "$dir_shell/api.sh"
 load_ql_envs
-. $dir_shell/env.sh
+. "$dir_shell/env.sh"
 
 send_mark=$dir_shell/send_mark
 
@@ -165,17 +165,20 @@ update_raw() {
   t '开始下载：%s 保存路径：%s\n' "${raw_url}" "$dir_raw/${raw_file_name}"
 
   set_proxy "$proxy"
-  wget -q --no-check-certificate -O "$dir_raw/${raw_file_name}.new" ${raw_url}
-  exit_status=$?
+  if wget -q --no-check-certificate -O "$dir_raw/${raw_file_name}.new" "$raw_url"; then
+    exit_status=0
+  else
+    exit_status=$?
+  fi
   unset_proxy
 
-  if [[ $? -eq 0 ]]; then
-    mv "$dir_raw/${raw_file_name}.new" "$dir_raw/${raw_file_name}"
+  if [[ $exit_status -eq 0 ]]; then
+    mv "$dir_raw/${raw_file_name}.new" "$dir_raw/${raw_file_name}" || return $?
     t '下载 %s 成功...\n' "${raw_file_name}"
-    cd $dir_raw
+    cd "$dir_raw" || return $?
     local filename="raw_${raw_file_name}"
-    local cron_id=$(cat $list_crontab_user | grep -E "$cmd_task.* $filename" | perl -pe "s|.*ID=(.*) $cmd_task.* $filename\.*|\1|" | head -1 | awk -F " " '{print $1}')
-    cp -f $raw_file_name $dir_scripts/${filename}
+    local cron_id=$(cat "$list_crontab_user" | grep -E "$cmd_task.* $filename" | perl -pe "s|.*ID=(.*) $cmd_task.* $filename\.*|\1|" | head -1 | awk -F " " '{print $1}')
+    cp -f "$raw_file_name" "$dir_scripts/${filename}" || return $?
     if [[ -z $cron_id ]] && [[ ${autoAddCron} == true ]]; then
       cron_line=$(
         perl -ne "{
@@ -202,6 +205,7 @@ update_raw() {
   else
     t '下载 %s 失败，保留之前正常下载的版本...\n' "${raw_file_name}"
     [[ -f "$dir_raw/${raw_file_name}.new" ]] && rm -f "$dir_raw/${raw_file_name}.new"
+    return "$exit_status"
   fi
 
 }
@@ -209,7 +213,7 @@ update_raw() {
 ## 调用用户自定义的extra.sh
 run_extra_shell() {
   if [[ -f $file_extra_shell ]]; then
-    . $file_extra_shell
+    . "$file_extra_shell"
   else
     t '%s文件不存在，跳过执行...\n' "$file_extra_shell"
   fi
@@ -266,7 +270,8 @@ show_service_logs() {
   # Winston writes the active runtime log by date. Follow the filename so
   # size-based rotations are handled without involving the PM2 log files.
   local current_system_log="$system_log_dir/$(date +%F).log"
-  tail -n 0 --retry -F "$current_system_log"
+  # GNU and BSD tail both support -F; --retry is GNU-only and implied by -F.
+  tail -n 0 -F "$current_system_log"
 }
 
 ## 脚本用法
@@ -484,9 +489,9 @@ main() {
   local log_path="${log_dir}/${log_time}.log"
   local file_path="$dir_log/$log_path"
 
-  cmd="2>&1 | tee -a $file_path"
+  printf -v cmd '2>&1 | tee -a %q' "$file_path"
   if [[ "$no_tee" == "true" ]]; then
-    cmd=">> $file_path 2>&1"
+    printf -v cmd '>> %q 2>&1' "$file_path"
   fi
   if [[ "$real_time" == "true" ]]; then
     cmd=""
@@ -532,19 +537,20 @@ main() {
     get_uniq_path "$p2"
     if [[ -n $p2 ]]; then
       update_raw "$p2" "$p3" "$p4" "$p5"
+      command_status=$?
     else
       t '命令输入错误...\n'
       eval usage $cmd
     fi
     ;;
   rmlog)
-    eval . $dir_shell/rmlog.sh "$p2" $cmd
+    eval '. "$dir_shell/rmlog.sh" "$p2"' "$cmd"
     ;;
   bot)
-    eval . $dir_shell/bot.sh $cmd
+    eval '. "$dir_shell/bot.sh"' "$cmd"
     ;;
   check)
-    eval . $dir_shell/check.sh $cmd
+    eval '. "$dir_shell/check.sh"' "$cmd"
     ;;
   resetlet)
     eval update_auth_config "\\\"retries\\\":0" "重置登录错误次数" $cmd