reexec: sort kernel by date

#!/bin/bash

#!/bin/zsh

# Copyright © Sébastien Luttringer

#

# Easy kexec

shopt -s nullglob

(( UID > 0 )) && { echo "You must be root" >&2; exit 1; }

type -P kexec >/dev/null || { echo "kexec is not in PATH" >&2; exit 1; }

whence -p kexec >/dev/null || { echo "kexec is not in PATH" >&2; exit 1; }

[[ -r /boot ]] || { echo "Unable to read /boot" >&2; exit 1; }

select kernel in /boot/vmlinuz-*; do

select kernel in /boot/vmlinuz-*(om); do

	if [[ -e /boot/initramfs-${kernel##*vmlinuz-}.img ]]; then

		initrd="--initrd /boot/initramfs-${kernel##*vmlinuz-}.img"

		initrd="--initrd=/boot/initramfs-${kernel##*vmlinuz-}.img"

	fi

	kexec -l --reuse-cmdline $initrd "$kernel"

	kexec -l --reuse-cmdline "$initrd" "$kernel"

	systemctl kexec

	break

done