# Copyright 1999-2024 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

VERIFY_SIG_OPENPGP_KEY_PATH="/usr/share/openpgp-keys/jariruusu.asc"
inherit toolchain-funcs libtool flag-o-matic verify-sig

MY_PV="${PV/_/-}"
MY_P="util-linux-${MY_PV}"
LOOPAES_P="loop-AES-v3.8c"

DESCRIPTION="Loop-AES losetup utility"
HOMEPAGE="https://sourceforge.net/projects/loop-aes/ https://www.kernel.org/pub/linux/utils/util-linux/ https://github.com/util-linux/util-linux"
SRC_URI="
	https://www.kernel.org/pub/linux/utils/util-linux/v${PV:0:4}/${MY_P}.tar.xz
	https://loop-aes.sourceforge.net/loop-AES/${LOOPAES_P}.tar.bz2
	verify-sig? (
		https://www.kernel.org/pub/linux/utils/util-linux/v${PV:0:4}/${MY_P}.tar.sign
		https://loop-aes.sourceforge.net/loop-AES/${LOOPAES_P}.tar.bz2.sign
	)
"
S="${WORKDIR}/${MY_P}"

LICENSE="GPL-2 GPL-3 LGPL-2.1 BSD-4 MIT public-domain"
SLOT="0"
KEYWORDS="~amd64 ~arm ~hppa ~ppc ~sparc ~x86"
IUSE="nls selinux static"

RDEPEND="
	selinux? ( >=sys-libs/libselinux-2.2.2-r4 )
"
DEPEND="
	${RDEPEND}
	virtual/os-headers
"
BDEPEND="
	virtual/pkgconfig
	nls? (
		app-text/po4a
		sys-devel/gettext
	)
	verify-sig? (
		>=sec-keys/openpgp-keys-karelzak-20230517
		>=sec-keys/openpgp-keys-jariruusu-20240521
	)
"

PATCHES=(
	"${WORKDIR}/${LOOPAES_P}/util-linux-${PV}.diff"
)

src_unpack() {
	# Upstream sign the decompressed .tar
	if use verify-sig; then
		einfo "Unpacking ${MY_P}.tar.xz ..."
		verify-sig_verify_detached - "${DISTDIR}"/${MY_P}.tar.sign \
			< <(xz -cd "${DISTDIR}"/${MY_P}.tar.xz | tee >(tar -x)) "${BROOT}"/usr/share/openpgp-keys/karelzak.asc
		assert "Unpack failed"

		verify-sig_verify_detached "${DISTDIR}"/${LOOPAES_P}.tar.bz2{,.sign}
		unpack ${LOOPAES_P}.tar.bz2
	else
		default
	fi
}

src_prepare() {
	default
	elibtoolize
}

src_configure() {
	append-lfs-flags

	ECONF_SOURCE=${S} \
	econf \
		--disable-all-programs \
		--disable-libmount-mountfd-support \
		--disable-liblastlog2 \
		--disable-pam-lastlog2 \
		--disable-pylibmount \
		--enable-libsmartcols \
		--enable-losetup \
		--without-btrfs \
		--without-libz \
		--without-libmagic \
		--without-ncurses \
		--without-ncursesw \
		--without-python \
		--without-readline \
		--without-systemd \
		--without-tinfo \
		--without-udev \
		--without-util \
		$(use_enable nls) \
		$(use_with selinux) \
		$(tc-has-tls || echo --disable-tls) \
		$(use_enable static) \
		$(use static && echo --enable-static-programs=losetup)
}

src_install() {
	emake install DESTDIR="${T}/root"
	newsbin "${T}/root/sbin/losetup" loop-aes-losetup
	newman "${T}/root/usr/share/man/man8/losetup.8" loop-aes-losetup.8
	use static && newsbin "${T}/root/bin/losetup.static" loop-aes-losetup.static
}