# Copyright 1999-2012 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="5"

JAVA_PKG_IUSE="doc source test"

inherit eutils java-pkg-2 java-ant-2

MY_PV="${PV/_rc1/RC1}"

DESCRIPTION="Java-based Ruby interpreter implementation"
HOMEPAGE="http://jruby.codehaus.org/"
SRC_URI="http://jruby.org.s3.amazonaws.com/downloads/${PV}/${PN}-src-${PV}.tar.gz"
LICENSE="|| ( CPL-1.0 GPL-2 LGPL-2.1 )"
SLOT="0"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~x86-macos"
IUSE="bsf ssl"

# jffi still needed? Or do we call that jnr-ffi?
#  jnr-ffi depends on jffi which depends on libffi
CDEPEND=">=dev-java/bytelist-1.0.8:0
	>=dev-java/joni-1.1.3:0
	>=dev-java/jnr-netdb-1.0:0
	>=dev-java/jvyamlb-0.2.5:0
	>=dev-java/jcodings-1.0.5:0
	dev-java/asm:4
	dev-java/bcpkix:0
	dev-java/bcprov:0
	dev-java/invokebinder:0
	dev-java/jffi:1.2
	dev-java/jline:2
	dev-java/jnr-constants:0
	dev-java/jnr-ffi:0.7
	dev-java/jnr-posix:2.4
	dev-java/jnr-unixsocket:0
	dev-java/joda-time:0
	dev-util/jay:0[java]
	dev-java/nailgun:0
	dev-java/jgrapht:0
	dev-java/ant-core:0
	dev-java/bsf:2.3
	dev-java/osgi-core-api:0
	>=dev-java/snakeyaml-1.9:0
	dev-java/jzlib:1.1"

RDEPEND="${CDEPEND}
	>=virtual/jre-1.6"

# Is jna-posix still needed? Or has that been renamed to jnr-posix?
#  jna-posix is the original project name which was abononed years ago.
#  jnr-posix < 1.1.8 are from the original fork
#  later jnr-posix are from the jnr umbrella project.
DEPEND="${CDEPEND}
	>=virtual/jdk-1.6
	test? (
		dev-java/ant-junit4:0
		dev-java/ant-trax:0
		dev-java/junit:4
		java-virtuals/jdk-with-com-sun
		dev-java/commons-logging:0
		dev-java/xalan:0
	)
	!!<dev-ruby/jruby-1.3.1-r1"

PDEPEND="ssl? ( dev-ruby/jruby-openssl )"

# Tests fail.
# Need to stop injecting jar's into classpath.
RESTRICT="test"

S="${WORKDIR}/${PN}-${MY_PV}"

RUBY_HOME=/usr/share/${PN}/lib/ruby
SITE_RUBY=${RUBY_HOME}/site_ruby
GEMS=${RUBY_HOME}/gems

JAVA_ANT_REWRITE_CLASSPATH="true"
JAVA_ANT_IGNORE_SYSTEM_CLASSES="true"
EANT_GENTOO_CLASSPATH="ant-core asm-4 bcpkix bcprov bsf-2.3 bytelist \
invokebinder jnr-constants jay jcodings jffi-1.2 jline-2 joda-time joni \
jnr-ffi-0.7 jnr-posix-2.4 jnr-netdb jnr-unixsocket jvyamlb nailgun
jgrapht osgi-core-api snakeyaml jzlib-1.1"
EANT_NEEDS_TOOLS="true"

pkg_setup() {
	unset RUBYOPT
	java-pkg-2_pkg_setup

	local fail

	for directory in "${GEMS}" "${SITE_RUBY}"; do
		if [[ -L ${directory} ]]; then
			eerror "${directory} is a symlink. Please do the following to resolve the situation:"
			echo 'emerge -an app-portage/gentoolkit'
			echo 'equery -qC b '"${directory}"' | sort | uniq | sed s/^/=/ > ~/jruby.fix'
			echo 'emerge -1C $(< ~/jruby.fix)'
			echo "rm ${directory}"
			echo 'emerge -1 $(< ~/jruby.fix)'
			echo 'rm ~/jruby.fix'

			eerror "For more information, please see http://bugs.gentoo.org/show_bug.cgi?id=302187"
			fail="true"
		fi
	done

	if [[ -n ${fail} ]]; then
		die "Please address the above errors, then run emerge --resume"
	fi
}

java_prepare() {
	epatch "${FILESDIR}"/${P}-bash-launcher.patch
	# epatch "${FILESDIR}/1.5.1/build.xml.patch"

	# We don't need to use Retroweaver. There is a jarjar and a regular jar
	# target but even with jarjarclean, both are a pain. The latter target
	# is slightly easier so go with this one.
	sed -r -i \
		-e 's/maxmemory="128m"/maxmemory="192m"/' \
		-e "/RetroWeaverTask/d" \
		-e "/yecht/! { /<zipfileset .+\/>/d }" \
		build.xml || die

	sed -i -e '/Arndt/d' src/org/jruby/RubyBigDecimal.java

	# Delete the bundled JARs but keep invokedynamic.jar.
	# No source is available and it's only a dummy anyway.
	find build_lib -name "*.jar" ! -name "jsr292-mock.jar" ! -name "yecht.jar" ! -name 'coro-mock-1.0-SNAPSHOT.jar' -delete || die
}

src_compile() {
	# Avoid generating the ri cache since that currently fails.
	local flags="-Dgenerate-ri-cache.hasrun=true"
	#local flags=""
	use bsf && flags="-Dbsf.present=true"

	export RUBYOPT=""
	einfo $RUBYOPT
	#eant jar $(use_doc apidocs) -Djdk1.5+=true ${flags}
	eant -Djdk1.5+=true ${flags}
}

src_test() {
	if [ ${UID} == 0 ] ; then
		ewarn 'The tests will fail if run as root so skipping them.'
		ewarn 'Enable FEATURES="userpriv" if you want to run them.'
		return
	fi
	# Our jruby.jar is unbundled so we need to add the classpath to this test.
	sed -i "s:java -jar:java -Xbootclasspath/a\:#{ENV['JRUBY_CP']} -jar:g" test/test_load_compiled_ruby_class_from_classpath.rb || die
	sed -i "s@:refid => 'build.classpath'@:path =>\"#{ENV['JRUBY_CP']}:lib/jruby.jar\"@g" \
		rakelib/commands.rake || die
	#sed -i "s@:refid => 'test.class.path'@:path => \"#{ENV['JRUBY_CP']}@g" \
	#	rakelib/commands.rake || die

	#bsf optionally depends on jruby, which means that the previously
	#installed jruby will be added to classpath, nasty things will happen.
	local cpath=`java-pkg_getjars ${EANT_GENTOO_CLASSPATH// /,},junit-4`
	cpath="$(echo ${cpath} | sed -e "s_${EROOT}/usr/share/jruby/lib/jruby.jar:__g")"
	cpath="${cpath}:$(java-pkg_getjars --build-only commons-logging,xalan)"
	EANT_GENTOO_CLASSPATH=""

	local flags=""
	use bsf && flags="-Dbsf.present=true"

	#Clear RUBYOPT
	export RUBYOPT=""
	export JRUBY_CP="${cpath}"
	ANT_TASKS="ant-junit4 ant-trax" \
		JRUBY_OPTS="" eant test -Djdk1.5+=true -Djruby.bindir=bin \
		-Dgentoo.classpath="${cpath}" ${flags}
}

src_install() {
	java-pkg_dojar lib/${PN}.jar
	dodoc README docs/{*.txt,README.*} || die

	use doc && java-pkg_dojavadoc docs/api
	use source && java-pkg_dosrc src/org

# Use the bash based launcher to preserve whitespace in arguments.
# Ie allow >jruby -e "puts 'hello'"< to work otherwise
# >jruby -e "\"puts 'hello'\""< is needed.
#
#	# We run the sed here in install so that we don't get the wrong
#	# data during the test phase!
#	sed \
#		-e '/++ebuild-cut-here++/, /--ebuild-cut-here--/ d' \
#		-e '/^JRUBY_HOME=/s:=:=/usr/share/jruby:' \
#		bin/jruby.sh > "${T}"/jruby

	newbin bin/jruby.bash jruby
	dobin bin/j{irb{,_swing},rubyc}

	insinto "${RUBY_HOME}"
	doins -r "${S}"/lib/ruby/{1.8,1.9,site_ruby}

	# Remove all the references to RubyGems as we're just going to
	# install it through dev-ruby/rubygems.
	find "${ED}${RUBY_HOME}" -type f \
		'(' '(' -path '*rubygems*' -not -name 'jruby.rb' ')' -or -name 'ubygems.rb' -or -name 'datadir.rb' ')' \
		-delete || die
}