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

EAPI="6"

inherit java-pkg-2 java-ant-2 systemd user

DESCRIPTION="A privacy-centric, anonymous network"
HOMEPAGE="https://geti2p.net"
SRC_URI="https://download.i2p2.de/releases/${PV}/i2psource_${PV}.tar.bz2"

LICENSE="Apache-2.0 Artistic BSD CC-BY-2.5 CC-BY-3.0 CC-BY-SA-3.0 EPL-1.0 GPL-2 GPL-3 LGPL-2.1 LGPL-3 MIT public-domain WTFPL-2"
SLOT="0"

# Until the deps reach other arches
KEYWORDS="~amd64 ~x86"
IUSE='nls test'

# dev-java/ant-core is automatically added due to java-ant-2.eclass
CP_DEPEND='dev-java/bcprov:1.50
	dev-java/jrobin:0
	dev-java/slf4j-api:0
	dev-java/tomcat-jstl-impl:0
	dev-java/tomcat-jstl-spec:0
	dev-java/java-service-wrapper:0
	dev-java/commons-logging:0
	dev-java/slf4j-simple:0
	java-virtuals/servlet-api:3.1
'

DEPEND="${CP_DEPEND}
	dev-java/eclipse-ecj:*
	nls? ( >=sys-devel/gettext-0.19 )
	virtual/jdk:1.8
	test? (
		dev-java/ant-junit4:0
		dev-java/hamcrest-core:1.3
		dev-java/hamcrest-library:1.3
		dev-java/junit:4
	)
"

RDEPEND="${CP_DEPEND}
	virtual/jre:1.8
	net-libs/nativebiginteger:0
"

EANT_BUILD_TARGET="pkg"
# no scala as depending on antlib.xml not installed by dev-lang/scala
EANT_TEST_TARGET='junit.test'
JAVA_ANT_ENCODING="UTF-8"

PATCHES=(
	"${FILESDIR}/${PV}-add-cp-to-tests"
)

pkg_setup() {
	java-pkg-2_pkg_setup

	enewgroup i2p
	enewuser i2p -1 -1 "${EPREFIX}/var/lib/i2p" i2p
}

src_prepare() {
	# as early as possible to allow generic patches to be applied
	default

	java-ant_rewrite-classpath

	java-pkg-2_src_prepare

	# We're on GNU/Linux, we don't need .exe files
	echo "noExe=true" > override.properties || die
	if ! use nls; then
		echo "require.gettext=false" >> override.properties || die
	fi

	# avoid auto starting browser
	sed -i 's|clientApp.4.startOnLoad=true|clientApp.4.startOnLoad=false|' \
		'installer/resources/clients.config' || die

	# generate wrapper classpath, keeping the default to be replaced later
	i2p_cp='' # global forced by java-pkg_gen-cp
	java-pkg_gen-cp i2p_cp
	local lib cp i=2
	for lib in ${i2p_cp//,/ }
	do
		cp+="wrapper.java.classpath.$((i++))=$(java-pkg_getjars ${lib})\n"
	done

	# add generated cp and hardcode system VM
	sed -e "s|\(wrapper\.java\.classpath\.1=.*\)|\1\n${cp}|" \
		-e "s|\(wrapper\.java\.command\)=.*|\1=/etc/java-config-2/current-system-vm/bin/java|" \
		-e "s|\(wrapper\.java\.library\.path\.1\)=.*|\1=/usr/lib/java-service-wrapper|" \
		-e "s|\(wrapper\.java\.library\.path\.2\)=.*|\0\nwrapper.java.library.path.3=/usr/$(get_libdir)|" \
		-i 'installer/resources/wrapper.config' || die

	# replace paths as the installer would
	sed -e "s|[\$%]INSTALL_PATH|${EPREFIX}/usr/share/i2p|" \
		-e "s|%SYSTEM_java_io_tmpdir|${EPREFIX}/var/lib/i2p/.i2p|" \
		-e "s|%USER_HOME|${EPREFIX}/var/lib/i2p|" \
		-i 'installer/resources/'{eepget,runplain.sh,wrapper.config} || die

	if use test; then
		# no *streaming as requiring >dev-java/mockito-1.9.5
		sed -e '/junit\.test.*streaming/d' \
			-i build.xml ||
			die 'unable to remove ministreaming tests'
	fi
}

src_test() {
	# store built version of jars, overwritten by testing
	mv "${S}/pkg-temp/lib/"{i2p,router}.jar "${T}" ||
		die 'unable to save jars before tests'

	# generate test classpath
	local cp
	cp="$(java-pkg_getjars --build-only junit-4,hamcrest-core-1.3,hamcrest-library-1.3)"
	EANT_TEST_EXTRA_ARGS="-Djavac.classpath=${cp}" java-pkg-2_src_test

	# redo work undone by testing
	mv "${T}/"{i2p,router}.jar "${S}/pkg-temp/lib/" ||
		die 'unable to restore jars after tests'
}

src_install() {
	# cd into pkg-temp.
	cd "${S}/pkg-temp" || die

	# we remove system installed jar and install the others
	rm lib/{jrobin,wrapper,jbigi,commons-logging,javax.servlet}.jar || \
		die 'unable to remove locally built jar already found in system'
	java-pkg_dojar lib/*.jar

	# create own launcher
	java-pkg_dolauncher eepget --main net.i2p.util.EepGet --jar i2p.jar

	# Install main files and basic documentation
	insinto '/usr/share/i2p'
	doins blocklist.txt hosts.txt *.config
	dodoc history.txt INSTALL-headless.txt LICENSE.txt
	doman man/*

	# Install other directories
	doins -r certificates docs eepsite geoip scripts
	java-pkg_dowar webapps/*.war

	# Install daemon files
	newinitd "${FILESDIR}/i2p.init" i2p
	systemd_dounit "${FILESDIR}/i2p.service"

	# setup user
	keepdir '/var/lib/i2p/.i2p'
	fowners i2p:i2p '/var/lib/i2p/.i2p'
}

pkg_postinst() {
	elog "Custom configuration belongs in ${EPREFIX}/var/lib/i2p/.i2p to avoid being overwritten."
	elog 'I2P can be configured through the web interface at http://localhost:7657/console'
}