# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

CMAKE_MAKEFILE_GENERATOR="emake"
PYTHON_COMPAT=( python{2_7,3_{5,6,7}} )
inherit cmake-utils flag-o-matic linux-info python-any-r1

if [[ ${PV} == 9999 ]] ; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/cryfs/cryfs"
else
	SRC_URI="https://github.com/cryfs/cryfs/releases/download/${PV}/${P}.tar.xz"
	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
	S="${WORKDIR}"
fi

DESCRIPTION="Encrypted FUSE filesystem that conceals metadata"
HOMEPAGE="https://www.cryfs.org/"

# cryfs - LGPL-3
# spdlog - MIT
# crypto++ - Boost-1.0
LICENSE="LGPL-3 MIT Boost-1.0"
SLOT="0"
IUSE="custom-optimization debug libressl test"

RDEPEND="
	>=dev-libs/boost-1.65.1:=
	net-misc/curl:=
	>=sys-fs/fuse-2.8.6:0
	!libressl? ( dev-libs/openssl:0= )
	libressl? ( dev-libs/libressl:= )
"
DEPEND="${RDEPEND}
	${PYTHON_DEPS}
"

pkg_setup() {
	local CONFIG_CHECK="~FUSE_FS"
	local WARNING_FUSE_FS="CONFIG_FUSE_FS is required for cryfs support."

	check_extra_config
}

src_prepare() {
	cmake-utils_src_prepare

	# don't install compressed manpage
	cmake_comment_add_subdirectory doc

	# remove tests that require internet access to comply with Gentoo policy
	sed -e "/CurlHttpClientTest.cpp/d" -e "/FakeHttpClientTest.cpp/d" \
		-i test/cpp-utils/CMakeLists.txt || die
}

src_configure() {
	local mycmakeargs=(
		-DBoost_USE_STATIC_LIBS=OFF
		-DCRYFS_UPDATE_CHECKS=OFF
		-DBUILD_SHARED_LIBS=OFF
		-DBUILD_TESTING=$(usex test)
	)
	use custom-optimization || append-flags -O3

	cmake-utils_src_configure
}

src_test() {
	local TMPDIR="${T}"
	addread /dev/fuse
	addwrite /dev/fuse
	local tests_failed=()

	for i in gitversion cpp-utils parallelaccessstore blockstore blobstore fspp cryfs cryfs-cli ; do
		"${BUILD_DIR}"/test/${i}/${i}-test || tests_failed+=( "${i}" )
	done

	adddeny /dev/fuse

	if [[ -n ${tests_failed[@]} ]] ; then
		eerror "The following tests failed:"
		eerror "${tests_failed[@]}"
		die "At least one test failed"
	fi
}

src_install() {
	# work around upstream issue with cmake not creating install target
	# in Makefile if we enable BUILD_TESTING
	dobin "${BUILD_DIR}/src/cryfs-cli/cryfs"
	doman doc/man/cryfs.1
	einstalldocs
}