incus-copy: Add --refresh-exclude-older option

incus-copy.sh

@@ -16,7 +16,8 @@ done
 
 for CT in $(/usr/bin/incus list -c n -f compact,noheader status=RUNNING) ; do
     DATE=$(date '+%Y-%m-%d %H:%M:%S')
-    echo "[${DATE}] incus copy ${CT} ${DEST}:$CT --refresh --mode push"
-    /usr/bin/incus copy $CT ${DEST}:$CT --refresh --mode ${MODE} 2>&1 > /dev/null
+    CMD="/usr/bin/incus copy $CT ${DEST}:$CT --refresh --refresh-exclude-older --mode ${MODE}"
+    echo "[${DATE}] $CMD"
+    $CMD 2>&1 > /dev/null
 done