list_boot_menuentries

#! /usr/bin/bash

################################################################################
# Copyright: brown.liuzan@outlook.com
# Version: 1.0
# Date: 2023-35-29
# Description:
################################################################################


####Imports of other module files####
source /usr/local/zbash/bin/lib/environments.sh
source /usr/local/zbash/bin/lib/errno.sh
source /usr/local/zbash/bin/lib/printer.sh


####Definition of global parameters####
gUnitTestEnabled=false


####Definition of functions####
function list_almalinux() {
	print_green_t "almalinux:"
	grubby --info=ALL | grep ^kernel
}

function list_centos() {
	print_green_t "centos:"
	awk -F\' '$1=="menuentry " {print $2}' /etc/grub2.cfg | awk '{print $3}'
}

function list_ubuntu() {
	print_green_t "ubuntu:"
	grub-mkconfig |  \
	grep -iE "menuentry 'Ubuntu, with Linux" |  \
	awk '{print i++ " : "$1, $2, $3, $4, $5, $6, $7}' |  \
	grep menuentry
}

function list_boot_menuentries_main() {
	case ${OS_ID} in
	'almalinux')
		list_almalinux
		;;
	'centos')
		list_centos
		;;
	'ubuntu')
		list_ubuntu
		;;
	*)
		print_red_t "Unsupported os: ${OS_ID}"
		exit ${EDOM}
		;;
	esac
}

list_boot_menuentries_main


####Unit test section####
if ${gUnitTestEnabled}; then
    print_bold_green_t "====Unit test begin===="
    print_bold_green_t "====Unit test end===="
fi