install

post_install() {
  echo '1) Enable the udev, encrypt, shutdown, and suspend hooks'
  echo '   in /etc/mkinitcpio.conf and run `mkinitcpio -p linux`'
  echo '2) Enable the go-luks-suspend service with:'
  echo '   `systemctl enable go-luks-suspend.service`'
  echo '3) Reboot'
}

post_upgrade() {
  local newver="$1" oldver="$2"

  if (("$(vercmp "$oldver" "1.2.0-1")" < 0)); then
    echo '[ATTENTION] go-luks-suspend must now be explicitly enabled!'
    echo '[ATTENTION] Run `systemctl enable go-luks-suspend.service` to enable it.'
  fi

  if (("$(vercmp "$oldver" "1.4.2-1")" < 0)); then
    echo '[ATTENTION] Upgrading go-luks-suspend no longer requires a reboot unless indicated.'
  fi

  if [[ "$newver" != "$oldver" ]]; then
    local src='/usr/lib/go-luks-suspend/initramfs-suspend'
    local dst='/run/initramfs/suspend'
    if [[ -e "$src" && -e "$dst" ]]; then
      install -m755 "$src" "$dst"
    else
      echo '[ATTENTION] Reboot required to complete upgrade.'
    fi
  fi
}

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