# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI="6"

inherit eutils flag-o-matic readme.gentoo-r1 systemd versionator user

MY_PV="$(replace_version_separator 4 -)"
MY_PF="${PN}-${MY_PV}"
DESCRIPTION="Anonymizing overlay network for TCP"
HOMEPAGE="http://www.torproject.org/"
SRC_URI="https://www.torproject.org/dist/${MY_PF}.tar.gz
	https://archive.torproject.org/tor-package-archive/${MY_PF}.tar.gz"
S="${WORKDIR}/${MY_PF}"

LICENSE="BSD GPL-2"
SLOT="0"
KEYWORDS="amd64 arm ~mips ppc ppc64 sparc x86 ~ppc-macos"
IUSE="libressl scrypt seccomp selinux systemd tor-hardening test web"

DEPEND="
	app-text/asciidoc
	dev-libs/libevent[ssl]
	sys-libs/zlib
	!libressl? ( dev-libs/openssl:0=[-bindist] )
	libressl? ( dev-libs/libressl:0= )
	scrypt? ( app-crypt/libscrypt )
	seccomp? ( sys-libs/libseccomp )
	systemd? ( sys-apps/systemd )"
RDEPEND="${DEPEND}
	selinux? ( sec-policy/selinux-tor )"

pkg_setup() {
	enewgroup tor
	enewuser tor -1 -1 /var/lib/tor tor
}

src_prepare() {
	eapply "${FILESDIR}"/${PN}-0.2.7.4-torrc.sample.patch
	eapply_user
}

src_configure() {
	# Upstream isn't sure of all the user provided CFLAGS that
	# will break tor, but does recommend against -fstrict-aliasing.
	# We'll filter-flags them here as we encounter them.
	filter-flags -fstrict-aliasing

	econf \
		--enable-system-torrc \
		--enable-asciidoc \
		--docdir="${EPREFIX}"/usr/share/doc/${PF} \
		$(use_enable scrypt libscrypt) \
		$(use_enable seccomp) \
		$(use_enable systemd) \
		$(use_enable tor-hardening gcc-hardening) \
		$(use_enable tor-hardening linker-hardening) \
		$(use_enable web tor2web-mode) \
		$(use_enable test unittests) \
		$(use_enable test coverage)
}

src_install() {
	readme.gentoo_create_doc

	newconfd "${FILESDIR}"/tor.confd tor
	newinitd "${FILESDIR}"/tor.initd-r8 tor
	systemd_dounit "${FILESDIR}/${PN}.service"
	systemd_dotmpfilesd "${FILESDIR}/${PN}.conf"

	emake DESTDIR="${D}" install

	keepdir /var/lib/tor

	dodoc -r README ChangeLog ReleaseNotes doc/HACKING

	fperms 750 /var/lib/tor
	fowners tor:tor /var/lib/tor

	insinto /etc/tor/
	newins "${FILESDIR}"/torrc-r1 torrc
}