fix(deploy): detect service port with ss

.githooks/post-receive

@@ -13,6 +13,7 @@ CURRENT_BRANCH=""
 START_PORT=""
 BUILD_EXIT=0
 STOP_WAIT_SECONDS=3
+STOP_VERIFY_RETRIES=3
 
 resolve_repo_context() {
     GIT_DIR_ABS="$(git rev-parse --absolute-git-dir 2>/dev/null)"
@@ -106,19 +107,55 @@ run_build() {
 
 # ============================================================
 # 6. stop_existing_next —— 强杀当前分支端口上的旧进程
-#   1) 查找占用 START_PORT 的进程
+#   1) 使用 ss 查找占用 START_PORT 的进程
 #   2) 直接 SIGKILL，避免旧服务 drain 太久导致新服务无法绑定端口
 #   3) 等待 STOP_WAIT_SECONDS，让系统释放端口
-#   4) 复查端口占用并再次强杀残留
+#   4) 循环复查端口占用并再次强杀残留
 # ============================================================
 find_port_pids() {
-    if command -v lsof >/dev/null 2>&1; then
-        lsof -ti tcp:"$START_PORT" 2>/dev/null || true
-        return
+    if ! command -v ss >/dev/null 2>&1; then
+        echo "=== ss command not found; cannot inspect port $START_PORT ===" >> "$LOG_FILE"
+        return 0
     fi
-    if command -v fuser >/dev/null 2>&1; then
-        fuser "$START_PORT"/tcp 2>/dev/null || true
+
+    ss -tulnp 2>/dev/null \
+        | awk -v port=":$START_PORT" '$5 ~ port "$" { print }' \
+        | sed -n 's/.*pid=\([0-9][0-9]*\).*/\1/p' \
+        | sort -u
+}
+
+force_kill_pids() {
+    PIDS_TO_KILL="$1"
+    if [ -z "$PIDS_TO_KILL" ]; then
+        return 0
     fi
+    echo "=== force kill PIDS: $PIDS_TO_KILL ===" >> "$LOG_FILE"
+    kill -9 $PIDS_TO_KILL 2>/dev/null || true
+}
+
+wait_for_port_release() {
+    RETRY=0
+    while [ "$RETRY" -lt "$STOP_VERIFY_RETRIES" ]; do
+        REMAINING_PIDS="$(find_port_pids)"
+        if [ -z "$REMAINING_PIDS" ]; then
+            echo "=== port $START_PORT released ===" >> "$LOG_FILE"
+            return 0
+        fi
+
+        echo "=== port $START_PORT still busy, retry=$RETRY, pids=$REMAINING_PIDS ===" >> "$LOG_FILE"
+        force_kill_pids "$REMAINING_PIDS"
+        sleep "$STOP_WAIT_SECONDS"
+        RETRY=$((RETRY + 1))
+    done
+
+    REMAINING_PIDS="$(find_port_pids)"
+    if [ -n "$REMAINING_PIDS" ]; then
+        echo "=== stop FAILED: port $START_PORT still occupied by PIDS: $REMAINING_PIDS ===" >> "$LOG_FILE"
+        return 1
+    fi
+
+    echo "=== port $START_PORT released ===" >> "$LOG_FILE"
+    return 0
 }
 
 stop_existing_next() {
@@ -126,23 +163,22 @@ stop_existing_next() {
     PIDS="$(find_port_pids)"
 
     if [ -n "$PIDS" ]; then
-        echo "=== force kill PIDS: $PIDS ===" >> "$LOG_FILE"
-        kill -9 $PIDS 2>/dev/null || true
+        force_kill_pids "$PIDS"
     else
         echo "=== no process found on port $START_PORT ===" >> "$LOG_FILE"
     fi
 
     sleep "$STOP_WAIT_SECONDS"
 
-    REMAINING_PIDS="$(find_port_pids)"
-    if [ -n "$REMAINING_PIDS" ]; then
-        echo "=== force kill remaining PIDS: $REMAINING_PIDS ===" >> "$LOG_FILE"
-        kill -9 $REMAINING_PIDS 2>/dev/null || true
-        sleep "$STOP_WAIT_SECONDS"
+    if ! wait_for_port_release; then
+        echo "=== stop ABORT @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
+        echo "" >> "$LOG_FILE"
+        return 1
     fi
 
     echo "=== stop DONE @ $(date +%Y-%m-%dT%H:%M:%S%z) ===" >> "$LOG_FILE"
     echo "" >> "$LOG_FILE"
+    return 0
 }
 
 launch_next() {
@@ -177,7 +213,9 @@ main() {
         exit $BUILD_EXIT       # build 失败 → 不启 start（避免用旧 .next 跑新代码）
     fi
 
-    stop_existing_next        # build 成功 → 先关旧进程
+    if ! stop_existing_next; then
+        exit 1                # 端口未释放 → 不启动新服务，避免 EADDRINUSE
+    fi
     launch_next               # 再启新
 }