#!/bin/bash

# Created by argbash-init v2.10.0
# ARG_OPTIONAL_SINGLE([old],[],[old librtas DSO],[/lib64/librtas.so.2])
# ARG_OPTIONAL_SINGLE([new],[],[new librtas DSO],[$PWD/.libs/librtas.so.2])
# ARG_HELP([Test the activate_firmware command against a development build of librtas])
# ARGBASH_GO()
# needed because of Argbash --> m4_ignore([
### START OF CODE GENERATED BY Argbash v2.10.0 one line above ###
# Argbash is a bash code generator used to get arguments parsing right.
# Argbash is FREE SOFTWARE, see https://argbash.io for more info


die()
{
	local _ret="${2:-1}"
	test "${_PRINT_HELP:-no}" = yes && print_help >&2
	echo "$1" >&2
	exit "${_ret}"
}


begins_with_short_option()
{
	local first_option all_short_options='h'
	first_option="${1:0:1}"
	test "$all_short_options" = "${all_short_options/$first_option/}" && return 1 || return 0
}

# THE DEFAULTS INITIALIZATION - OPTIONALS
_arg_old="/lib64/librtas.so.2"
_arg_new="$PWD/.libs/librtas.so.2"


print_help()
{
	printf '%s\n' "Test the activate_firmware command against a development build of librtas"
	printf 'Usage: %s [--old <arg>] [--new <arg>] [-h|--help]\n' "$0"
	printf '\t%s\n' "--old: old librtas DSO (default: '/lib64/librtas.so.2')"
	printf '\t%s\n' "--new: new librtas DSO (default: '$PWD/.libs/librtas.so.2')"
	printf '\t%s\n' "-h, --help: Prints help"
}


parse_commandline()
{
	while test $# -gt 0
	do
		_key="$1"
		case "$_key" in
			--old)
				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
				_arg_old="$2"
				shift
				;;
			--old=*)
				_arg_old="${_key##--old=}"
				;;
			--new)
				test $# -lt 2 && die "Missing value for the optional argument '$_key'." 1
				_arg_new="$2"
				shift
				;;
			--new=*)
				_arg_new="${_key##--new=}"
				;;
			-h|--help)
				print_help
				exit 0
				;;
			-h*)
				print_help
				exit 0
				;;
			*)
				_PRINT_HELP=yes die "FATAL ERROR: Got an unexpected argument '$1'" 1
				;;
		esac
		shift
	done
}

parse_commandline "$@"

# OTHER STUFF GENERATED BY Argbash

### END OF CODE GENERATED BY Argbash (sortof) ### ])
# [ <-- needed because of Argbash

set -eu
set -o pipefail

workdir="$(mktemp -d)"

uak_old="${workdir}/uak.old"
uak_new="${workdir}/uak.new"

preload_sanitizers=/lib64/libasan.so.8:/lib64/libubsan.so.1

export LD_PRELOAD="${preload_sanitizers}":"$_arg_old"
activate_firmware -e > "$uak_old"

export LD_PRELOAD="${preload_sanitizers}":"$_arg_new"
activate_firmware -e > "$uak_new"

export -n LSAN_OPTIONS ASAN_OPTIONS LD_PRELOAD

cmp "$uak_old" "$uak_new" || {
    echo "error: Update Access Key information differs"
    diff -u "$uak_old" "$uak_new"
    exit 1
}

echo "Tested $(type -P activate_firmware) with ${_arg_old} and ${_arg_new}, no differences detected."

test -d "$workdir" && rm -fr "$workdir"

# ] <-- needed because of Argbash