#!/bin/bash # Check if hibernation is supported if [[ ! -f /sys/power/image_size ]]; then exit 1 fi # Sum all swap sizes (excluding zram) SWAPSIZE_KB=$(awk '!/Filename|zram/ {sum += $3} END {print sum+0}' /proc/swaps) SWAPSIZE=$(( 1024 * ${SWAPSIZE_KB:-0} )) HIBERNATION_IMAGE_SIZE=$(cat /sys/power/image_size) if (( SWAPSIZE > HIBERNATION_IMAGE_SIZE )) ; then exit 0 else exit 1 fi