#!/usr/bin/bash
#
#   checksum.sh - Confirm presence of binaries for checksum operations
#
#   Copyright (c) 2016-2021 Pacman Development Team <pacman-dev@archlinux.org>
#
#   This program is free software; you can redistribute it and/or modify
#   it under the terms of the GNU General Public License as published by
#   the Free Software Foundation; either version 2 of the License, or
#   (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

[[ -n "$LIBMAKEPKG_EXECUTABLE_CHECKSUM_SH" ]] && return
LIBMAKEPKG_EXECUTABLE_CHECKSUM_SH=1

LIBRARY=${LIBRARY:-'/usr/share/makepkg'}

source "$LIBRARY/util/message.sh"

executable_functions+=('executable_checksum')

executable_checksum() {
	if (( GENINTEG || ! SKIPCHECKSUMS )); then
		local integlist
		mapfile -t integlist < <(get_integlist)

		local integ
		for integ in "${integlist[@]}"; do
			if ! type -p "${integ}sum" >/dev/null; then
				error "$(gettext "Cannot find the %s binary required for source file checksums operations.")" "${integ}sum"
				return 1
			fi
		done
	fi
}