Fix: default to zero when swapsize not found

Author: killeik

bin/omarchy-hibernation-available

@@ -1,9 +1,10 @@
 #!/bin/bash
 # Checks if swap is big enough to hibernate
 
-SWAPSIZE=$(( 1024 * $(cat /proc/swaps |grep -v -e "Filename" -e "zram"| awk '{print $3}') ));
+SWAPSIZE_KB=$(cat /proc/swaps |grep -v -e "Filename" -e "zram"| awk '{print $3}');
+SWAPSIZE=$(( 1024 * ${SWAPSIZE_KB:-0} ));
 HIBERNATION_IMAGE_SIZE=$(cat /sys/power/image_size)
-if [ "${SWAPSIZE:-0}" -gt "$HIBERNATION_IMAGE_SIZE" ]; then
+if [ "${SWAPSIZE}" -gt "$HIBERNATION_IMAGE_SIZE" ]; then
   exit 0;
 else
   exit 1;