setup-hibernate

#!/usr/bin/env bash

if [[ $EUID != 0 ]]; then
    echo "[powerdown] must be run as root"
    exit 1
fi

source /usr/lib/powerdown-functions
lock

if ! can_suspend_to_disk; then
    echo "[powerdown] your first time to use hibernate"
    echo "creating 2GB /hibernate"
    dd if=/dev/zero of=/hibernate bs=2M count=1024
    chmod 600 /hibernate
    mkswap /hibernate
fi


cat <<EOF
1. Add '$(resume_boot_option)' to the boot configuration.

2. Add '/hibernate	swap	swap	defaults	0	0' to /etc/fstab

3. Add 'resume' hook to /etc/mkinitcpio.conf right in front of 'filesystem' hook.
Run 'mkinitcpio -p linux' to regenerate kernel image

EOF