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# arg 1:  the new package version
# arg 2:  the old package version

KERNEL_NAME=-macbook-pro
KERNEL_VERSION=

display_requirements () {
cat <<-EOF

	To get suspend working properly you must do the following:

	Add disable_mode=1 to your kernel boot options.
	In my case I use grub so I appended this to GRUB_CMDLINE_LINUX
	in /etc/default/grub and then ran the following command as root:
	grub-mkconfig -o /boot/grub/grub.cfg

	Create /etc/tmpfiles.d/wakeup.conf with the contents:
	w /proc/acpi/wakeup - - - - LID0

EOF
}

post_install () {
  # updating module dependencies
  echo ">>> Updating module dependencies. Please wait ..."
  depmod ${KERNEL_VERSION}
  echo ">>> Generating initial ramdisk, using mkinitcpio. Please wait..."
  mkinitcpio -p linux${KERNEL_NAME}

  display_requirements
}

post_upgrade() {
  if findmnt --fstab -uno SOURCE /boot &>/dev/null && ! mountpoint -q /boot; then
    echo "WARNING: /boot appears to be a separate partition but is not mounted."
  fi

  # updating module dependencies
  echo ">>> Updating module dependencies. Please wait ..."
  depmod ${KERNEL_VERSION}
  echo ">>> Generating initial ramdisk, using mkinitcpio. Please wait..."
  mkinitcpio -p linux${KERNEL_NAME}

  if [ $(vercmp $2 3.13) -lt 0 ]; then
    echo ">>> WARNING: AT keyboard support is no longer built into the kernel."
    echo ">>>          In order to use your keyboard during early init, you MUST"
    echo ">>>          include the 'keyboard' hook in your mkinitcpio.conf."
  fi

  display_requirements
}

post_remove() {
  # also remove the compat symlinks
  rm -f boot/initramfs-linux${KERNEL_NAME}.img
  rm -f boot/initramfs-linux${KERNEL_NAME}-fallback.img
}