From e1e5f8f91d46f32630f1b770795d43a9adebdee4 Mon Sep 17 00:00:00 2001
From: Kroese <kroese@users.noreply.github.com>
Date: Fri, 17 Oct 2025 12:07:13 +0200
Subject: [PATCH] fix: Validate status messages (#1077)

---
 src/socket.sh | 23 +++++++++++++++++++----
 1 file changed, 19 insertions(+), 4 deletions(-)

diff --git a/src/socket.sh b/src/socket.sh
index cc91de9..5a4007c 100644
--- a/src/socket.sh
+++ b/src/socket.sh
@@ -1,16 +1,31 @@
 #!/usr/bin/env bash
 set -Eeuo pipefail
 
+lastmsg=""
 path="/run/shm/msg.html"
 
-if [ -f "$path" ] && [ -s "$path" ]; then
-  echo -n "s: " && cat "$path"
-fi
+refresh() {
+
+  [ ! -f "$path" ] && return 0
+  [ ! -s "$path" ] && return 0
+
+  msg=$(< "$path")
+  msg="${msg%$'\n'}"
+
+  [ -z "$msg" ] && return 0
+  [[ "$msg" == "$lastmsg" ]] && return 0
+
+  lastmsg="$msg"
+  echo "s: $msg"
+  return 0
+}
+
+refresh
 
 inotifywait -m "$path" |
   while read -r fp event fn; do
     case "${event,,}" in
-      "modify"* ) echo -n "s: " && cat "$path" ;;
+      "modify"* ) refresh ;;
       "delete_self" ) echo "c: vnc" ;;
     esac    
   done