# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="5"
JAVA_PKG_IUSE="doc examples source"
WANT_ANT_TASKS="ant-nodeps"
EANT_TEST_TARGET="test.suite"
inherit eutils check-reqs java-pkg-2 java-ant-2 versionator

MY_P="${PN}-sources-${PV}"

# creating the binary:
# JAVA_PKG_FORCE_VM="$available-1.6" USE="doc examples source" ebuild scala-*.ebuild compile
# cd $WORDKIR
# fix dist/latest link.
# tar -cjf $DISTDIR/scala-$PN-gentoo-binary.tar.bz2 ${MY_P}/dists ${MY_P}/docs/TODO

# in the pullJarFiles function in tools/binary-repo-lib.sh it executes find commands
# to search for .desired.sha1 files, which contain sha1 hashes that are appended
# to ${BURI} along with the subdirectory and filename to form the list of jar files
# listed in SRC_URI.

BURI="http://repo.typesafe.com/typesafe/scala-sha-bootstrap/org/scala-lang/bootstrap"

declare -a JURI=(${BURI}/8bdac1cdd60b73ff7e12fd2b556355fa10343e2d/lib/scala-library-src.jar \
	${BURI}/ddd7d5398733c4fbbb8355c049e258d47af636cf/lib/forkjoin.jar \
	${BURI}/d48cb950ceded82a5e0ffae8ef2c68d0923ed00c/lib/msil.jar \
	${BURI}/d229f4c91ea8ab1a81559b5803efd9b0b1632f0b/lib/scala-reflect-src.jar \
	${BURI}/3fc1e35ca8c991fc3488548f7a276bd9053c179d/lib/ant/ant-dotnet-1.0.jar \
	${BURI}/2c61d6e9a912b3253194d5d6d3e1db7e2545ac4b/lib/ant/vizant.jar \
	${BURI}/7b456ca6b93900f96e58cc8371f03d90a9c1c8d1/lib/ant/ant.jar \
	${BURI}/943cd5c8802b2a3a64a010efb86ec19bac142e40/lib/ant/ant-contrib.jar \
	${BURI}/7e50e3e227d834695f1e0bf018a7326e06ee4c86/lib/ant/maven-ant-tasks-2.1.1.jar \
	${BURI}/cfa3ee21f76cd5c115bd3bc070a3b401587bafb5/lib/scala-compiler-src.jar \
	${BURI}/1e0e39fae15b42e85998740511ec5a3830e26243/lib/scala-library.jar \
	${BURI}/8acc87f222210b4a5eb2675477602fc1759e7684/lib/fjbg.jar \
	${BURI}/288f47dbe1002653e030fd25ca500b9ffe1ebd64/lib/scala-reflect.jar \
	${BURI}/a5261e70728c1847639e2b47d953441d0b217bcb/lib/jline.jar \
	${BURI}/d54b99f215d4d42b3f0b3489fbb1081270700992/lib/scala-compiler.jar \
	${BURI}/02fe2ed93766323a13f22c7a7e2ecdcd84259b6c/test/files/lib/annotations.jar \
	${BURI}/b1ec8a095cec4902b3609d74d274c04365c59c04/test/files/lib/genericNest.jar \
	${BURI}/981392dbd1f727b152cd1c908c5fce60ad9d07f7/test/files/lib/enums.jar \
	${BURI}/cd33e0a0ea249eb42363a2f8ba531186345ff68c/test/files/lib/nest.jar \
	${BURI}/be8454d5e7751b063ade201c225dcedefd252775/test/files/lib/methvsfield.jar \
	${BURI}/b6f4dbb29f0c2ec1eba682414f60d52fea84f703/test/files/lib/scalacheck.jar \
	${BURI}/e737b123d31eede5594ceda07caafed1673ec472/test/files/codelib/code.jar \
	${BURI}/1b11ac773055c1e942c6b5eb4aabdf02292a7194/test/files/speclib/instrumented.jar \
	${BURI}/a1883f4304d5aa65e1f6ee6aad5900c62dd81079/tools/push.jar)

DESCRIPTION="The Scala Programming Language"
HOMEPAGE="http://www.scala-lang.org/"
SRC_URI="!binary?
(	https://github.com/scala/scala/archive/v${PV}.tar.gz -> ${P}.tar.gz
	${JURI[@]}
)"
#	binary? ( http://dev.gentoo.org/~ali_bush/distfiles/${P}-gentoo-binary.tar.bz2 )"
LICENSE="BSD"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~x86 ~amd64-linux ~x86-linux ~x86-macos"
IUSE="binary emacs"

COMMON_DEP="dev-java/ant-core
	dev-java/hawtjni-runtime"
DEPEND="${COMMON_DEP}
	>=virtual/jdk-1.6.0
	<virtual/jdk-1.8.0
	java-virtuals/jdk-with-com-sun
	!binary? (
		dev-java/ant-contrib:0
	)
	app-arch/xz-utils"
RDEPEND="${COMMON_DEP}
	>=virtual/jre-1.6
	!dev-java/scala-bin"

PDEPEND="emacs? ( app-emacs/scala-mode )"

S="${WORKDIR}/${P}"

LIBRARY_PKGS="ant-core,hawtjni-runtime"

CHECKREQS_MEMORY="1532M"

pkg_setup() {
	java-pkg-2_pkg_setup
	if ! use binary; then
		debug-print "Checking for sufficient physical RAM"

		ewarn "This package can fail to build with memory allocation errors in some cases."
		ewarn "If you are unable to build from sources, please try USE=binary"
		ewarn "for this package. See bug #181390 for more information."

		check-reqs_pkg_setup
	fi
}

src_unpack() {
	if use binary; then
		unpack ${A}
	else
		unpack "${P}.tar.gz"
	fi
}

java_prepare() {
	java-pkg_getjars ${LIBRARY_PKGS}
	if ! use binary; then
		# gentoo patch (by gienah) to stop it calling git log in the build
		epatch "${FILESDIR}/${PN}-2.10.2-no-git.patch"
		if has_version ">=virtual/jdk-1.7.0"; then
			# This patch bumped to 2.10.2: http://pkgs.fedoraproject.org/cgit/scala.git/tree/scala-2.10.0-java7.patch
			epatch "${FILESDIR}/${PN}-2.10.2-jdk-1.7-swing.patch"
		fi
		# https://issues.scala-lang.org/browse/SI-7455
		epatch "${FILESDIR}/${PN}-2.10.2-jdk-1.7-swing-SI-7455.patch"
		local j
		for j in "${JURI[@]}"
		do
			cp -p "${DISTDIR}/${j##*/}" "${S}/${j#${BURI}/*/}" || die
		done
	fi
}

src_compile() {
	if ! use binary; then
		#unset ANT_OPTS as this is set in the build.xml
		#sets -X type variables which might come back to bite me
		unset ANT_OPTS

		# Thanks to Coy Barnes: https://bugs.gentoo.org/show_bug.cgi?id=450298#c13
		export JAVA_OPTS="$JAVA_OPTS -Duser.home=${T}"

		# reported in bugzilla that multiple launches use less resources
		# https://bugs.gentoo.org/show_bug.cgi?id=282023
		eant all.clean
		eant -Djavac.args="-encoding UTF-8" -Djava6.home=${JAVA_HOME} \
			build-opt
		eant dist.done
	else
		einfo "Skipping compilation, USE=binary is set."
	fi
}

src_test() {
	java-pkg-2_src_test
}

src_install() {
	cd dists/latest || die

	local SCALADIR="/usr/share/${PN}/"

	exeinto "${SCALADIR}/bin"
	doexe $(find bin/ -type f ! -iname '*.bat')

	#sources are .scala so no use for java-pkg_dosrc
	if use source; then
		dodir "${SCALADIR}/src"
		insinto "${SCALADIR}/src"
		doins src/*-src.jar
	fi

	java-pkg_dojar lib/*.jar

	doman man/man1/*.1

	#docs and examples are not contained in the binary tgz anymore
	if ! use binary; then
		local docdir="doc/${PN}-devel-docs"
		dodoc doc/README ../../docs/TODO
		if use doc; then
			java-pkg_dojavadoc "${docdir}/api"
			dohtml -r "${docdir}/tools"
		fi

		use examples && java-pkg_doexamples "${docdir}/examples"
	fi

	dodir /usr/bin
	for b in $(find bin/ -type f ! -iname '*.bat'); do
		local _name=$(basename "${b}")
		dosym "/usr/share/${PN}/bin/${_name}" "/usr/bin/${_name}"
	done
	dosym "/usr/share/${JAVA_PKG_NAME}/lib" "/usr/share/${PN}/lib"
	dosym "/usr/share/${JAVA_PKG_NAME}/package.env" "/usr/share/${PN}/package.env"
}