Only update output if it has actually changed

docker-entrypoint.sh

@@ -11,21 +11,30 @@ sleep 5
 
 if [ -z "$OTP_TOKEN" ]; then
   echo "syncing library"
+  date
   seaf-cli sync -l "$LIBRARY" -s "$SERVER" -d "/sync" -u "$EMAIL" -p "$PASSWORD"
 else
   echo "syncing library with OTP"
+  date
   seaf-cli sync -l "$LIBRARY" -s "$SERVER" -d "/sync" -u "$EMAIL" -p "$PASSWORD" --tfa $(oathtool --totp -b "$OTP_TOKEN")
 fi
 
 maxretry=4
 retry=0
 
+lastoutput=""
+output=""
+
 while [ "$retry" -le "$maxretry" ]; do
     ps aux | grep seafile | grep -v grep > /dev/null 2> /dev/null || {
         retry=$(expr $retry + 1);
     }
+    output=$(seaf-cli status)
+    if [[ "$output" != "$lastoutput" ]]; then
       date
-    seaf-cli status
+      echo "$output"
+      lastoutput="$output"
+    fi
     sleep 5
 done
 echo "Seafile not running"