#!/usr/bin/bash
#
#   gpg.sh - Confirm presence of gpg binary
#
#   Copyright (c) 2011-2025 Pacman Development Team <pacman-dev@lists.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_GPG_SH" ]] && return
LIBMAKEPKG_EXECUTABLE_GPG_SH=1

MAKEPKG_LIBRARY=${MAKEPKG_LIBRARY:-'@libmakepkgdir@'}

source "$MAKEPKG_LIBRARY/util/message.sh"
source "$MAKEPKG_LIBRARY/util/option.sh"

executable_functions+=('executable_gpg')

executable_gpg() {
	local ret=0

	if [[ $SIGNPKG == 'y' ]] || { [[ -z $SIGNPKG ]] && check_buildenv "sign" "y"; }; then
		if ! type -p gpg >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for signing packages.")" "gpg"
			ret=1
		fi
	fi

	if (( ! SKIPPGPCHECK )) && source_has_signatures; then
		if ! type -p gpg >/dev/null; then
			error "$(gettext "Cannot find the %s binary required for verifying source files.")" "gpg"
			ret=1
		fi
	fi

	return $ret
}
