faet: 新增一个开发环境的热更新脚本

backend/dev.sh

@@ -23,7 +23,7 @@ cleanup() {
     # 清理所有 PID 文件并杀服务进程
     for service in gateway activityService galleryService socialService assetService userService; do
         pkill -9 -f "$service" 2>/dev/null || true
-        rm -f "/tmp/dev_sh_${service}.pid" "/tmp/dev_sh_${service}_restart"
+        rm -f "/tmp/dev_sh_${service}.pid" "/tmp/dev_sh_${service}_restart" "/tmp/dev_sh_${service}.lock"
         echo -e "${YELLOW}  🛑 $service 已停止${NC}"
     done
 
@@ -140,6 +140,13 @@ restart_service() {
     local port=$4
     local use_db=$5
     local pid_file="/tmp/dev_sh_${name}.pid"
+    local lock_file="/tmp/dev_sh_${name}.lock"
+
+    # 加锁防止并发重启
+    if [ -f "$lock_file" ]; then
+        return 0
+    fi
+    touch "$lock_file"
 
     # Step 1: 编译（先编译，编译成功才杀旧进程）
     if [ ! -d "$SCRIPT_DIR/$dir" ]; then
@@ -182,6 +189,9 @@ restart_service() {
     else
         echo -e "${RED}❌ [$name] 重启失败，查看日志: tail -f /tmp/${name}.log${NC}"
     fi
+
+    # 解锁
+    rm -f "$lock_file"
 }
 
 # 启动文件监听器
@@ -205,12 +215,36 @@ start_watcher() {
 
     (
         if [[ "$(uname)" == "Darwin" ]]; then
-            fswatch -r "$watch_path" --exclude='\.git' --exclude='_test\.go$'
+            # 排除: .git目录, 测试文件, 二进制文件(无扩展名), .exe, bin/目录
+            fswatch -r "$watch_path" \
+                --exclude='\.git' \
+                --exclude='_test\.go$' \
+                --exclude='\.exe$' \
+                --exclude='gateway$' \
+                --exclude='userService$' \
+                --exclude='assetService$' \
+                --exclude='socialService$' \
+                --exclude='galleryService$' \
+                --exclude='activityService$'
         else
-            inotifywait -r -m -e modify,create,write "$watch_path" --exclude='\.git' --exclude='_test\.go$'
+            inotifywait -r -m -e modify,create,write "$watch_path" \
+                --exclude='\.git' \
+                --exclude='_test\.go$' \
+                --exclude='\.exe$' \
+                --exclude='gateway$' \
+                --exclude='userService$' \
+                --exclude='assetService$' \
+                --exclude='socialService$' \
+                --exclude='galleryService$' \
+                --exclude='activityService$'
         fi | while read event; do
             # 时间戳防抖：每次事件更新标记文件
-            date +%s%N > "$restart_marker"
+            # Darwin 不支持 date +%s%N，使用 python 获取纳秒时间戳
+            if [[ "$(uname)" == "Darwin" ]]; then
+                python3 -c 'import time; print(int(time.time()*1e9))' > "$restart_marker"
+            else
+                date +%s%N > "$restart_marker"
+            fi
         done
     ) &
     local watcher_pid=$!
@@ -224,10 +258,15 @@ start_watcher() {
             if [ ! -f "$restart_marker" ]; then
                 continue
             fi
-            local now=$(date +%s%N)
+            local now
+            if [[ "$(uname)" == "Darwin" ]]; then
+                now=$(python3 -c 'import time; print(int(time.time()*1e9))')
+            else
+                now=$(date +%s%N)
+            fi
             local last_time=$(cat "$restart_marker" 2>/dev/null || echo 0)
             local elapsed=$((now - last_time))
-            if (( elapsed >= 300000000 )); then
+            if (( elapsed >= 500000000 )); then
                 # 距上次事件已过 300ms，执行重启
                 rm -f "$restart_marker"
                 restart_service "$name" "$dir" "$binary" "$port" "$use_db"