New method of checking pkg number cache age

bmotd.sh

@@ -74,9 +74,16 @@ update() {
   KERNEL=$(uname -r)
   EXTERNAL=$(dig TXT +time=3 +tries=2 +short o-o.myaddr.l.google.com @ns1.google.com | tr -d '"')
   
-  # Get number of updates awaiting
+  # Check if pkg number cache exists
   test -f "$CACHEPATH/pkg_count" || PKG_REFRESH=1
-  [[ $(date +%H%M)  == "1510" ]] && PKG_REFRESH=1
+
+  # Check if pkg number cache is outdate
+  LASTMODIFICATION=$(date +%s -r "$CACHEPATH/pkg_count")
+  CURRENTTIME=$(date +%s)
+  UPDATEDAGO=$((CURRENTTIME - LASTMODIFICATION))
+  [ "$UPDATEDAGO" -gt "86400" ] && PKG_REFRESH=1
+
+  # If cache old or non existent, get number of updates awaiting
   if [ $PKG_REFRESH ]; then
     case "$OSID" in
       debian|osmc|linuxmint)